WO1999000053A1 - Dispositif permettant d'examiner un organisme vivant et automate permettant d'analyser le sang d'une maniere non invasive au moyen dudit dispositif - Google Patents
Dispositif permettant d'examiner un organisme vivant et automate permettant d'analyser le sang d'une maniere non invasive au moyen dudit dispositif Download PDFInfo
- Publication number
- WO1999000053A1 WO1999000053A1 PCT/JP1998/002875 JP9802875W WO9900053A1 WO 1999000053 A1 WO1999000053 A1 WO 1999000053A1 JP 9802875 W JP9802875 W JP 9802875W WO 9900053 A1 WO9900053 A1 WO 9900053A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- living body
- light
- side wall
- unit
- finger
- Prior art date
Links
- 210000004369 blood Anatomy 0.000 title claims abstract description 27
- 239000008280 blood Substances 0.000 title claims abstract description 27
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 39
- 238000003384 imaging method Methods 0.000 claims abstract description 30
- 238000007689 inspection Methods 0.000 claims abstract description 18
- 230000003287 optical effect Effects 0.000 claims abstract description 13
- 238000004458 analytical method Methods 0.000 claims description 41
- 238000001574 biopsy Methods 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 7
- 102000001554 Hemoglobins Human genes 0.000 claims description 4
- 108010054147 Hemoglobins Proteins 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000013459 approach Methods 0.000 claims description 3
- 238000005534 hematocrit Methods 0.000 claims description 2
- 230000000284 resting effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 40
- 238000005259 measurement Methods 0.000 description 21
- 238000010586 diagram Methods 0.000 description 20
- 210000001519 tissue Anatomy 0.000 description 11
- 238000004364 calculation method Methods 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- 238000003860 storage Methods 0.000 description 6
- 239000012503 blood component Substances 0.000 description 5
- 239000000306 component Substances 0.000 description 5
- 238000000605 extraction Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 210000003491 skin Anatomy 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 238000011002 quantification Methods 0.000 description 3
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000000302 ischemic effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 210000001145 finger joint Anatomy 0.000 description 1
- 210000002683 foot Anatomy 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 208000028867 ischemia Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 210000003371 toe Anatomy 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0031—Implanted circuitry
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/026—Measuring blood flow
- A61B5/0261—Measuring blood flow using optical means, e.g. infrared light
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
- H04B10/532—Polarisation modulation
Definitions
- the present invention relates to a biopsy device and a non-invasive blood analyzer using the same, and more particularly, to a device for percutaneously detecting optical information from a tissue including a part of blood vessels of a living body, and a detection device.
- the present invention relates to a device for analyzing obtained optical information to obtain information on blood, for example, hemoglobin concentration and hematocrit.
- a human finger is received in a groove of a finger receiving device, the finger is deformed by pressing with a roller until the contour conforms to the cross-sectional shape of the groove, and light is applied to the deformed finger.
- a device that detects the transmitted light see, for example, Japanese Patent Application Laid-Open No. 6-530372.
- the present invention has been made in view of such circumstances, and it is possible to stably hold a part of a living body and obtain normal optical information without applying excessive correcting force or compression.
- Biometric device and use it It provides a non-invasive blood analyzer. Disclosure of the invention
- the present invention provides a base on which a part of a living body to be inspected is placed, a side wall member capable of sandwiching a part of the placed living body from both sides, and an optical system for applying light to the living body held by the base and the side wall member.
- An object of the present invention is to provide a living body inspection apparatus including a light source unit that supplies light and a light receiving unit that detects optical information from a part of a living body that has received light.
- the base has, for example, a form adapted to the palm of a human hand and a plurality of fingers thereof, and the side wall member includes one of the plurality of fingers as a light source unit and a light receiving unit. Position properly with respect to.
- the present invention provides a living body inspection apparatus in which a light receiving unit includes an imaging element. Further, the present invention analyzes an image of a tissue including a blood vessel obtained by an imaging device of a biopsy apparatus, and calculates information on blood flowing through the blood vessel, and an output section for outputting the calculated information. It is intended to provide a non-invasive living body inspection apparatus having the following. BRIEF DESCRIPTION OF THE FIGURES
- FIG. 1 is a block diagram showing a configuration of a detection unit and an analysis unit according to the first embodiment of the present invention.
- FIG. 2 is a perspective view showing the outer shapes of the detection unit and the analysis unit according to the first embodiment of the present invention.
- FIG. 3 is a perspective view showing the detection unit according to the first embodiment of the present invention.
- FIG. 4 is a plan view of the detection unit according to the first embodiment of the present invention.
- FIG. 5 is a front view of the detection unit according to the first embodiment of the present invention.
- FIG. 6 is a side view of the detection unit according to the first embodiment of the present invention.
- FIG. 7 is a rear view of the detection unit according to the first embodiment of the present invention.
- FIG. 8 is a cross-sectional view of the detection unit according to the first embodiment of the present invention, taken along line XX in FIG.
- FIG. 9 is a cross-sectional view of the detection unit according to the first embodiment of the present invention, taken along the line Y--Y in FIG.
- FIG. 10 is a cross-sectional view of the detection unit according to the first embodiment of the present invention, taken along the line Z-Z in FIG.
- FIG. 11 is a perspective view of a spring used in the detection unit according to the first embodiment of the present invention.
- FIG. 12 is a flowchart showing the operation of the detection unit and the analysis unit according to the first embodiment of the present invention.
- FIG. 13 is a flowchart showing a procedure for determining an analysis area in the first embodiment of the present invention.
- FIG. 14 is an explanatory diagram showing an example of an image obtained by the first embodiment of the present invention.
- FIG. 15 is an explanatory diagram showing an example of an image obtained by the first embodiment of the present invention.
- FIG. 16 is an explanatory diagram showing an image density profile obtained by the first embodiment of the present invention.
- FIG. 17 is an explanatory diagram showing a normalized density profile of an image obtained according to the first embodiment of the present invention.
- FIG. 18 is a front view of the light source unit according to the first embodiment of the present invention.
- FIG. 19 is an explanatory diagram showing a display example displayed according to the first embodiment of the present invention.
- FIG. 20 is an explanatory diagram showing another display example displayed according to the first embodiment of the present invention.
- FIG. 21 is a perspective view showing a detection unit according to a second embodiment of the present invention.
- FIG. 22 is a side view showing a detection unit according to the second embodiment of the present invention.
- FIG. 23 is a plan view showing a detection unit according to the second embodiment of the present invention.
- FIG. 24 is a front view showing a detection unit according to a second embodiment of the present invention.
- FIG. 25 is a rear view showing the detection unit according to the second embodiment of the present invention.
- Fig. 26 is a bottom view showing the detection unit according to the second embodiment of the present invention.
- FIG. 27 is a longitudinal sectional view showing a detection unit according to the second embodiment of the present invention.
- FIG. 28 is a cutaway side view of a main part showing a detection unit according to a second embodiment of the present invention.
- FIG. 29 is a cross-sectional view taken along the line WW of FIG.
- FIG. 30 is an explanatory diagram showing the operation of the detection unit according to the second embodiment of the present invention.
- FIG. 31 is an explanatory diagram showing the operation of the detection unit according to the second embodiment of the present invention.
- FIG. 32 is a block diagram showing a configuration of the detection unit and the analysis unit according to the third embodiment of the present invention.
- FIG. 33 is a flowchart showing the operation of the detection unit and the analysis unit according to the third embodiment of the present invention.
- FIG. 34 is an explanatory diagram showing a determination region of average luminance in an image obtained by the third embodiment of the present invention.
- FIG. 35 is an explanatory diagram showing an example in which a light leakage image exists in an image obtained by the third embodiment of the present invention.
- FIG. 36 is an explanatory diagram showing a method of detecting a light leakage image according to the third embodiment of the present invention.
- FIG. 37 is an explanatory diagram showing an example of a luminance profile of an image obtained according to the third embodiment of the present invention.
- FIG. 38 is an explanatory diagram showing another example of a luminance profile of an image obtained by the third embodiment of the present invention.
- FIG. 39 is an explanatory diagram showing a method of detecting a light leakage image according to the third embodiment of the present invention.
- FIG. 40 is an explanatory diagram showing an example of an image of a joint obtained by the third embodiment of the present invention.
- FIG. 41 is an explanatory view showing a pixel group of a region for searching for a joint part in the third embodiment of the present invention.
- FIG. 42 is an explanatory diagram showing a pixel group of a region for searching for a joint part in the third embodiment of the present invention.
- the living body is a mammal including a human, a rabbit, a dog, a cat, a rat, a mouse, etc., and a part of the living body is not a tissue separated from the living body, It is a part of the intact tissue of the living body, such as the fingers and toes of a human, and the tail of other animals.
- a part of the living body placed on the base is elastically held by the side wall member from both sides with an appropriate pressure. This is because if a part of the living body is fixed too tightly by tightening or deforming it, blood vessels will be compressed, resulting in a depressed blood state or an ischemic state, and accurate test results cannot be obtained.
- a part of the living body has a different thickness, it can be stably mounted on the center of the base.
- a base on which a part of a living body is placed in order to place a part of the living body on the base in a more natural state has at least one surface on a part of the body to be placed.
- the parts are formed to fit.
- the base conforms to a curved surface formed by a plurality of fingers including the finger to be inspected and a palm having those fingers.
- the side wall member has a surface shape composed of possible curved surfaces, and the side wall member is arranged so that the fingers to be inspected are sandwiched from both sides when the plurality of fingers and palms are placed on the base so as to conform to the curved surface. It is preferable to be protruded from
- the base has at least one recess on its top surface for positioning the finger to be inspected. It is preferred to have a recess, and even more preferred to have three depressions. In other words, the finger and palm are more stably placed on the base by providing the base with the depressions for positioning a plurality of fingers, respectively.
- each side wall member is biased so as to approach each other and sandwich a part of the living body.
- the support member preferably has a sliding mechanism or a hinge mechanism
- the biasing member is preferably made of a member such as a spring.
- the side wall member is biased so as to generate a force component for pressing a part of the living body toward the base in a state where the part of the living body is sandwiched.
- the base When a part of the living body to be inspected is the tail of an animal, the base has a surface shape that fits in the form of a tail, and the side wall member has a shape that does not deform or press the tail on which it is mounted. It is preferable that they are sandwiched. In this case, the base should have at least one depression for positioning the tail.
- the base and the side wall member can be prepared in a plurality of sizes in accordance with the size of a part of the living body. For example, if a part of the living body is a finger of a human hand, three types can be prepared for infants, children, and adults. At this time, the base and side wall members are easily separated from other components. It is convenient if the structure is detachably installed.
- a light source such as a semiconductor laser (hereinafter, referred to as LD), LED, or halogen light source can be used for the light source unit, and the light source unit may directly irradiate a part of a living body or irradiate through a fiber.
- the wavelength is preferably in the range of 600 to 95 Onm, which penetrates living tissue and does not absorb much water.
- the light receiving section can be composed of an optical system such as a lens and a light receiving element such as a photodiode or a CCD.
- an imaging device such as a CCD as a light receiving device.
- a line sensor photodiode array can be used.
- density distribution information can be obtained by scanning a single photodiode in a direction crossing a blood vessel.
- the optical system of the light receiving section may be configured using only a TV lens (for example, BD1214D made by C0M I CAR).
- the device of the present invention may further include a cover member, and the cover member may cover a part of the living body sandwiched between the side wall members.
- the light source section is provided on the cover member
- the light receiving section is provided below the base
- the light receiving section is installed so as to receive the light transmitted through a part of the living body from the light source through the opening provided in the base.
- the non-invasive blood analyzer of the present invention provides an image including a blood vessel obtained by the above-described biological examination device in which a light receiving unit includes an imaging device.
- An analysis unit that analyzes and calculates information about blood flowing through the blood vessel is provided.
- the information about blood is information about blood and blood flow, and specifically, blood component concentration, blood vessel diameter, and the like. It is.
- the above analysis unit can be composed of a personal computer.
- a non-invasive blood analyzer includes: a determination unit configured to determine a placement state of a part of a living body on a base based on an image obtained by a biopsy device; and an instruction method based on the determined placement state.
- An output unit for outputting a message may be further provided.
- the noninvasive blood analyzer of the present invention may further include a light amount control unit that controls the light amount of the light source unit based on the obtained image.
- FIG. 1 is a block diagram showing a configuration of a first embodiment of a noninvasive blood analyzer using the living body inspection apparatus of the present invention.
- a detection unit 1 as a biopsy device includes a light source unit 11 for illuminating a part of a living body including blood vessels (here, the middle finger of a human hand) and a light source for the illuminated living body part.
- An image pickup unit 12 for picking up an image (here, a transmitted light image) is provided. That is, the detection unit 1 is a living body imaging device here.
- the analyzing unit 2 performs, for each of the captured images, a part of the living body in that image.
- a comparison unit 33 for comparison and an analysis region setting unit 34 for setting an analysis region including the same blood vessel region in a plurality of images based on the comparison result are provided.
- the analysis unit 2 extracts an image density distribution of a portion of the captured image that linearly crosses a blood vessel in the analysis area at right angles as a density profile of the image, and an extraction unit 21.
- a quantification unit 22 for quantifying the morphological characteristics of the obtained concentration file, a calculation unit 23 for calculating the blood vessel diameter, blood component concentration, etc. based on the quantified characteristics, and a calculation result
- a storage unit 25 for storing the calculation result
- an output unit (CRT) 24 for outputting the calculation result monitor image.
- the input unit 35 is composed of a keyboard and a mouse, and is used to set the measurement mode, initialize the analysis area, and input the calculation conditions of the calculation unit 23.
- the analysis unit 2 is composed of a personal computer.
- FIG. 2 is an external perspective view of the apparatus shown in FIG. 1, in which the detection unit 1 and the analysis unit 2 are connected by a signal cable 3.
- Fig. 3 is a perspective view showing the detection unit 1
- Figs. 4 to 7 are a plan view, a front view, a side view, and a rear view, respectively, showing the detection unit 1.
- 8 to 10 are cross-sectional views taken along arrows X-X, Y- ⁇ , and Z-Z in FIG. 4, respectively.
- a base member 51 is a base on which a middle finger F (FIGS. 8 and 9) of a human hand is placed as a part of a living body to be inspected. It is provided with tables 52, 53 and a substrate 54 supporting the bases 52, 53 (FIG. 6).
- the substrate 54 has two side wall members 55, 56 capable of elastically holding the middle finger F (hereinafter, referred to as finger F) placed on the bases 52, 53 from both sides. They are arranged so as to sandwich 53 (Fig. 9).
- the cover member 57 is provided so as to cover the upper side of the finger F placed on the bases 52, 53 (FIG. 6).
- the board 54 is fixed on the housing 58 (FIG. 6).
- the cover member 57 includes a cover 57a and an arm 57b bonded to the lower surface thereof (FIG. 8). As shown in FIGS. 4 and 7, one end of the arm 57 b is inserted between the protrusions 59 a and 59 b of the arm holder 59 together with the springs 60 and 61, and penetrates them. Supported by the headed shaft 62.
- the springs 60 and 61 are made by turning the wire as shown in Fig. 11 so that both ends are at 90 degrees.
- the springs 60 and 61 mounted between the protrusions 59a and 59b by the shafts 62 are provided with three screws 63 at one end as shown in FIGS.
- the arm 57 b is fixed to both side surfaces of the arm 57 b, respectively, and the other end is locked to the rear surface of the arm holder 59.
- the ends of the springs 60 and 61 form an angle larger than 90 degrees, and bias the arm 57b in the direction of arrow A1.
- a stopper collar 64 is fitted into the end of the shaft 62.
- the arm 57 b and the arm holder 59 constitute a hinge mechanism, and the arm 57 b has a shaft 62 as shown in FIG. It is rotatable as a center in the directions of arrows A 1 and A 2, and is always urged in the direction of arrow A 1 by the urging force of springs 60 and 61.
- the protrusions 55a, 55b and 56a, 56b protruding from the lower surfaces of the side wall members 55, 56 respectively are attached to the substrate 54. They are inserted between the projecting protrusions 54a, 54b and 54c, 54d, respectively, and are supported by headed shafts 65, 66 passing therethrough.
- the retaining collars 65a, 66a are fixed to the ends of the shafts 65, 66, respectively.
- the side wall member 55 moves in the directions of arrows B 1 and B 2 around the shaft 65, and the side wall member 56 moves in the directions C 1 and B 2 around the shaft 66.
- C It can rotate in two directions.
- the coil springs 67 and 68 are mounted between the lower surface of the side wall member 55 and the upper surface of the substrate 54 and between the lower surface of the side wall member 56 and the upper surface of the substrate 54, respectively. Then, the side wall member 55 is urged in the direction of arrow B1, and the side wall member 56 is urged in the direction of arrow C1.
- the light source unit 11 is provided in a hole 57c formed in the arm 57b as shown in FIG. 8, and is provided through a groove 69 between the bases 52 and 53. 8 faces each other with the imaging unit 1 and 2
- a glass plate 70 supporting the finger F and transmitting light from the light source unit 11 is attached to the upper opening of the groove 69 so as to pass from the bases 52 to 53.
- Two pins 5 7 shown in Figs. 4 and 5 d protrudes on both sides of the arm 57 b and locks on the upper surfaces of the side wall members 55 and 56 when the finger F is not inserted.
- both sides of the measure F are placed on the side wall surfaces of the side wall members 55 and 56 as shown in FIG. And the upper side of the finger F is lightly pressed by the arm 57b. This allows the finger
- F is positioned on the bases 52, 53.
- the imaging unit 12 includes a lens and a CCD, and captures an image of the finger F using transmitted light.
- the bases 52, 53 and the glass plate 70 are formed in an arc shape so that the surface that comes into contact with the finger F fits into the natural bending of the finger F. Therefore, when the finger F is placed, the finger F is not stretched unnaturally and the blood vessels of the finger F do not become depressed or ischemic.
- the opposing surfaces of the side wall members 55, 56 that come into contact with the finger F are not parallel to each other but have a taper (incline) such that the upper part is narrower than the lower part.
- the side wall members 55, 56 can apply not only a horizontal force component to the finger F but also a downward (vertical) component, that is, a force component for pressing the finger F against the bases 52, 53.
- the finger F can be stably fixed by holding the finger F on the bases 52 and 53.
- Fig. 18 is a front view of the light source 11, showing the LED 11 a and the LED It is composed of a light emitting element having 1 1b.
- L 3 89 9 manufactured by Hamamatsu Photonitas Co., Ltd.
- L 2 656 manufactured by Ibid.
- a half width of 5 O nm is used.
- only the LED 11a is turned on in the "blood vessel width measurement mode”.
- step S 10 when the subject inserts the finger F into the detection unit 1 as shown in FIGS. 1 and 8, the operator operates the input unit 35 to set the “blood vessel width measurement mode” (step S 10).
- the finger F is illuminated by the LED 11a (first wavelength) to take an image.
- an image 41 of a tissue including a blood vessel (vein) image 40 localized near the skin on the imaging unit 12 side is obtained along with the outline 16 a of the finger F.
- the image is output to the output unit 24 as a monitor image (step S2).
- an analysis region R 1 is set in the image 41 (step S 3)
- the procedure for setting the analysis area R 1 is performed according to the procedure shown in FIG. That is, when the measurement is performed for the first time (step S31), the analysis area setting unit 34 searches for the best contrast area of the blood vessel image 40, and as a result of the search, the determined area is determined. Is set as a rectangular analysis region R1 (step S32).
- the analysis area Normally, the region R 1 is automatically set by the analysis region setting unit 34. The user may manually set the region R 1 by operating the input unit 35 while watching the monitor image output to the output unit 24. .
- the screen of the image 41 is set as the XY coordinate plane, and the coordinates of each vertex are stored in the storage unit 32 (step S33).
- the feature extraction unit 31 extracts the concave position P 1 of the joint part in the outline 16 a of the image 41, and stores the coordinates of the extracted position P 1 in the storage unit 32. (Steps S34, S35) o
- step 31 if the measurement is the second time or later, if the image 4 la as shown in FIG. 15 is obtained in the previous step, for example, the stored analysis region R 1 Are read out, and the position P 2 of the hollow of the joint portion is extracted from the image 41 a by the feature extraction unit 31 (steps S 36, S 37).
- the differences ⁇ ⁇ and ⁇ between the coordinates of the position P1 set at the first measurement and the position P2 extracted this time are calculated by the comparison unit 33 (step S38). If none of the numbers X and ⁇ exceed the predetermined allowable range ⁇ 5 (step S 39), the analysis area setting unit 34 sets the analysis area R 1 initially set to ⁇ ,, ⁇ ⁇ ⁇ A new analysis region R 2 is set by shifting (step S 40).
- the blood vessel part in the region R2 becomes substantially the same as the blood vessel part in the region R1 set at the time of the first measurement. This In this way, even if the finger of one subject is measured n times over time (for example, every two hours), the analysis regions R 1, R 2... R n are set each time, and the blood vessels are always The measurement is performed for the same part.
- step S39 if either X or Y exceeds the permissible value (if it exceeds 5, it is determined that finger 16 is not properly installed with respect to detection unit 1 and output unit 2 4 displays “Era Ichi”.
- step S4 of FIG. 12 the profile extraction unit 21 creates a density profile (FIG. 16) in the direction perpendicular to the blood vessel in the set analysis region R1. Then, the quantification unit 22 normalizes this concentration profile with a standard line.
- the baseline is obtained from a portion other than the blood vessel portion of the concentration profile by the least square method or the like, and the profile shown in FIG. 16 is standardized as shown in FIG. 17 (step S5). By doing so, it is possible to obtain a density profile that does not depend on the amount of incident light.
- the calculation unit 23 obtains the peak height hi from the normalized concentration profile (FIG. 17), and calculates the distribution width (half width) w 1 at (1Z 2) hi as the blood vessel width. Then, it is stored in the storage unit 25 (step S6). Then, when the predetermined number of measurements are completed, a graph or a table representing the temporal change is created from the calculated blood vessel width and displayed (steps S7 to S9).
- Figure 19 shows a graph of the relative change over time in the blood vessel width w1 displayed in the output unit 24, with the finger of one subject being measured every two hours. It is an example shown.
- the operator operates the input unit 35 (FIG. 1) to set the “blood component concentration measurement mode” as shown in FIG. 12 (step S11), and sets the LED 1 la (first The subject's finger F is illuminated in order by the wavelength) and the LED 1 lb (second wavelength), and images are taken (steps S 12 and S 13), and the image obtained by the first wavelength is obtained.
- the analysis area is set by the same procedure as in step S3, that is, the procedure shown in FIG. 13 (step S14).
- a profile extractor 21 generates a density profile (FIG. 16) for each image obtained by the first and second wavelengths (step S15).
- the quantification unit 22 normalizes each concentration profile with the baseline as shown in FIG. 17 (step S16).
- the arithmetic part 23 calculates the peak heights hi and h2 and the half width wl for each of the standardized concentration profiles (Step S17), and calculates the hemoglobin concentration HGB as follows. Then, the hematotal HCT is calculated (step S1.8).
- the peak height h 2 obtained from the image of LED 1 lb (second wavelength) is similarly calculated as follows.
- H GB, H C T are obtained from h i, h 2, and w l.
- S is the scattering coefficient of blood
- A is the absorption coefficient of blood
- T is a term representing the effect of living tissue.
- T is relatively constant by selecting, as the analysis region, the part where the contrast of the blood vessel image in the obtained image is the largest. Therefore, there is no practical problem even if the experimentally obtained T is used.
- the calculated HGB and HCT are stored in the storage unit 25. When such measurement is repeated a predetermined number of times, the arithmetic unit 23 creates and displays a graph or a table showing the change over time from the calculated values (Steps S19 and S2). 0).
- Figure 20 shows an example in which the measure of one subject was measured every two days, and the changes over time in ⁇ GB and HCT were graphed and displayed on the output unit 24.
- FIG. 21 is a perspective view showing a detecting unit 101 of the second embodiment of the present invention.
- This embodiment is a modification of the configuration of the detection unit 1 of the first embodiment, and other configurations are the same as those of the first embodiment.
- FIGS. 22 to 27 are a left side view, a plan view, a front view, a rear view, a bottom view, and a longitudinal sectional view, respectively, showing the detection unit 101. Since the right side view is symmetrical to the left side view, it is not shown here.
- FIG. 28 is a cutaway side view of a main part of the detection unit 101
- FIG. 29 is a cross-sectional view taken along the line W--W of FIG. 28, and
- FIGS. 30 and 31 are explanatory views showing the operation of the main part. is there.
- the entire hand (palm and finger) can be stably placed in a natural state without difficulty and measurement can be performed, and the subject is devised so as not to feel tired at the time of placement. Have been.
- the base member 51 and the housing 58 shown in FIG. 3 of the first embodiment are combined into a hollow egg-shaped housing 15 1 as shown in FIG.
- the top portion of the upper surface of 151 functions as the bases 52 and 53 of the first embodiment.
- the middle finger F is inserted between the two side wall members 15 5 and 15 6, and the other finger is placed outside the side wall members 15 5 and 15 6.
- the two fingers are arranged one by one, and the middle finger F is pressed by the arm 157 (see FIGS. 30 and 31).
- the egg-shaped convex curved surface matches the concave curved surface formed by the palm in its natural state and the finger.
- the housing 15 1 is composed of an upper housing 15 1 a and a bottom 15 1 b, and both are integrally joined by fitting their peripheral parts to each other.
- the lower portions of the side wall members 1 5 5 and 1 5 6 are provided with projections 1 5 4 a and 1 5 4 b, respectively, which protrude downward from the inside of the upper housing 15 1 a inside the housing 15 1.
- the shafts are supported by the feet 16 5 and 16 6, and are urged by the springs 16 7 and 16 8 in the directions of arrows U and V, respectively.
- the projections 15 5 a 15 4 b and the shafts 16 5, 16 6 have a hinge mechanism that supports the side wall members 15 5, 15 6 rotatably in the directions of arrows U, V. Make up.
- the upper part of the side wall member 155 156 protrudes outside from an opening 169 provided in the upper central part of the housing 151.
- the finger F which is a part of the living body, is placed between the two side wall members 155 and 156, and is elastically clamped from both sides (FIG. 31).
- the finger F to be measured is the middle finger, but other fingers can be measured.
- the middle finger F is set between the side wall members 15 5 and 15 6.
- each finger is shaped so that the index finger, ring finger, etc. can be suitably placed on the surface of the housing 155.
- Matched depressions 181, 182, 183 are provided so that each finger fits well on the surface of the housing 151.
- the outer wall portions of the side wall members 155 and 156 have narrowed concave portions 155 a and 156 a in the vicinity of the surface of the nozing 155 (FIG. 24). 5a and 156a form curved surfaces that fit well on the middle finger side curved surfaces of the index finger and the ring finger on both sides of the middle finger.
- the thickness of the side wall members 155 and 156 at the finger placement part is thin, so that the palm and finger are placed in a natural state without measuring the spread of the finger, and the measurement is performed. It can be carried out.
- FIGS. 30 and 31 are views of the side wall members 155 and 156 as viewed from above and from the front, respectively.
- non-translucent soft elastic bodies 1555b and 1566b such as rubber sponge are provided on the inner wall portions of the side wall members 1555 and 1566 (black is preferable. New) For this reason, the side wall members 155 and 156 can easily and stably hold the middle finger F according to the shape thereof.
- the light emitted from the light source unit 11 does not leak to the imaging unit 12 side from the gap created between the side wall members 15 5 and 15 6 and the finger F. Therefore, there is an effect that better optical information can be obtained.
- the arm 157 is provided with a shaft 162 at one end into a protrusion 1559 projecting downward from the inner surface of the upper housing 15a in the housing 151. It is rotatably supported and protrudes from the opening 190.
- the arm 157 When the other end of the arm 157 is located closer to the side wall members 155, 156 as shown in FIG. 270, the arm 157 approaches the side wall members 155, 156, that is, the arrow T1. When it is located far from the side wall members 15 5 and 15 6 as shown in Fig. 28, it moves away from the side wall members 15 5 and 15 56, that is, rotates in the direction of arrow T2. It is supported by an aggressive toggle mechanism.
- the end of the arm 157 and the projection 159 are provided with protrusions 161 and 163, respectively, and the spring 160 is extended between them.
- Rotation of the arm 157 in the direction of the arrow T1 or T2 changes the distance between the projections 161 and 163.
- the state where the arm 157 is in contact with the side wall members 155 and 156 as shown in Fig. 27 is the initial position, and as the arm 157 is rotated in the direction of arrow T2, the distance between the protrusions becomes 1 Since the distances of 61 and 163 increase, the spring 160 tries to shorten the distance between the protrusions. That is, the arm 157 attempts to return to the side wall members 155, 156.
- the arm 157 When the arm 157 is further rotated in the direction of arrow T2, the distance between the protrusions decreases when the protrusions 161, the shaft 162, and the protrusion 163 become linear. On the contrary, the arm 157 tries to rotate in a direction away from the side wall members 155, 156. And the arm Stop rotation with the back of 157 touching the edge of the housing opening 190. As a result, when the subject inserts the middle finger of one hand between the side wall members 15 5 and 15 6, the subject uses the arm with the other hand.
- a light source unit 111 for irradiating the finger F with light is provided at the other end of the arm 157 similarly to the light source unit 111 of the first embodiment.
- the housing 15 1 is provided with an imaging section 12 equivalent to the imaging section 12 of the first embodiment, and an opening 16 9 of the housing 15 1 is provided.
- a light transmitting plate 170 made of acrylic resin is provided corresponding to the glass plate 70 of the first embodiment.
- Reference numeral 171 denotes a hood for connecting the light transmitting plate 170 to the imaging unit 12.
- the light source section 111 two light emitting elements 111 shown in FIG. 18 used for the light source section of Example 1 were mounted on the substrate 157a, and the light amount was increased.
- the board 157 d is placed above the opening 157 a at the other end of the arm 157 so that the ⁇ ⁇ faces downward.
- the opening 157a has a downwardly divergent wall 157d, the wall of which is coated with white or silver, and the light from the two light emitting elements 11 The light is efficiently reflected in the direction of 2.
- a translucent member 157c that comes into contact with the finger F is placed in the opening 157a at the light emitting portion, and light is irradiated after removing unevenness on the skin surface. I have.
- the translucent member 157c has a downwardly convex shape, that is, a convex shape on the finger F side, as shown in FIG.
- the arm 157 is designed to be hollow as shown in FIG. 27, a lead wire 200 is provided in the arm 157, and power supply to the light source unit 11 1 is not performed. Since the analysis is performed from the analysis unit (personal computer) 2 (FIG. 2) via the cable 3, the board 201, the connector 202, and the lead wire 200, the connector In 202, the lead wire 200 can be separated from the substrate 201. With such a configuration, the detecting section 101 of this embodiment can be separated into the upper housing 151a side and the lower housing 151b side, so that the internal parts during assembly and maintenance during manufacturing are reduced. Checking becomes easy.
- positioning marks 203 and 204 are provided on the upper surfaces of the side wall members 150 and 156, respectively. These are for positioning the finger F in the longitudinal direction when the finger F is inserted between the side wall members 15 5 and 15 6 at the time of measurement.For example, the second joint of the finger F is Match this mark.
- the bottom of the lower housing 15 1 has four non-slip rubber seats 205 and a power switch.
- the force with which the operation piece 206 protrudes and the height of the rubber seat 205 are designed to be higher than the operation piece.
- the slide switch 206 turns on and off the power supplied to the light source unit 11 1 and the imaging unit 12.
- the switch When the switch is installed in the upper housing 15 1, the subject can use his / her hand.
- the operation piece is obstructed when it is placed on the housing 15 1, so it is provided at this position.
- FIG. 32 is a block diagram showing the configuration of a third embodiment of the detection unit and the analysis unit according to the present invention.
- an analysis unit 2a is obtained by adding a determination unit 26 and a light amount control unit 27 to the analysis unit 2 (FIG. 1) of the first embodiment. They have the same numbers.
- the finger (middle finger) of the human hand When the finger (middle finger) of the human hand is to be detected as a part of the living body as in the first and second embodiments, the blood vessels are present near the surface of the skin at the joint and the image is taken. Therefore, it is preferable that the analysis region R 1 (FIG. 14) be set at or near the joint.
- a preliminary process is performed before performing the measurement work (FIG. 12) of the first or second embodiment. That is, when the subject places the finger F on the detection unit 1, the determination unit 26 determines whether or not the joint is at an appropriate position with respect to the imaging area of the imaging unit 12 and determines whether the joint is appropriate. If it is not, output it to the output section 24 to inform the subject and encourage them to place the finger correctly. I have to.
- the light amount control unit 27 performs appropriate feedback control of the light amount of the light source unit 11 or 11 based on the image information obtained from the imaging unit 12 to adjust the light amount. I do it.
- the operations of the determination unit 26 and the light amount control unit 27 will be described in detail with reference to a flowchart shown in FIG.
- the operator When the subject places a finger on the detection unit 1 at the start of the measurement shown in Fig. 12, the operator first operates the input unit 35 to illuminate the finger with the light source unit 11 or 1 1 1. As shown in FIG. 34, an image of a finger having an outline 16a on an a (640 pixel) ⁇ b (480 pixel) screen is obtained as shown in FIG. Therefore, the determination unit 26 calculates the average luminance Q and the reference value Q of all the pixels in the determination area S (c (352 pixels) X d (240 pixels)) previously set at the center of the image area. Then, it is determined whether or not the difference is larger than a predetermined value of 5 (step S53). Q and Q. If the difference is 5 or more, the light amount controller 27 controls the drive current supplied to the LED 11a or 11b until the difference becomes smaller than 5>, and the light amount is roughly adjusted. (Steps S57, S52, S53).
- the determination unit 26 detects the presence or absence of the light leakage image K as follows (step S54).
- a strip-shaped pixel group (8 x 480 pixels) extending in the Y direction is roughly fractionated as one group, and the luminance profile in the Y direction is grouped for each group.
- Ask for. Fig. 37 shows an example of the profile when the light leakage image K is crossed
- Fig. 38 shows an example of the profile when the light leakage image K is not crossed.
- the judging unit 26 detects the rising and falling positions from the obtained profile of each group, connects them with lines, and recognizes them as outer edge lines 16 b and 16 c as shown in Fig. 39. .
- the inside areas of width ⁇ pixels are set inside the outer edge lines 16 b and 16 c, respectively, and the average luminance B f of both inside areas is calculated.
- a light leakage image K exists, that is, the light source unit 11 or 1 1 1
- the judging unit 26 can detect the deviation of the finger in the left and right direction.Depending on the detection result, ⁇ place it to the right '' or ⁇ place it to the left '' Or the message "Please remove the finger and insert again" is output to the output unit 24 (step S58).
- the determination unit 26 determines whether or not the joint portion exists in the region S (FIG. 34). Is determined (step S55). As shown in FIG. 40, the joint portion J has higher luminance than the other image portions, and thus its position is easily identified as follows.
- the determination unit 26 sets a search area S1 having a length a and a width c (352 pixels) in the entire image area (aXb) as shown in FIG. 8 X 8 pixels in S 1 are roughly fractionated as one group.
- the determination unit 26 calculates the average luminance of the pixels of each group, and detects the position of the group having the maximum average luminance as the position of the joint J.
- the determination unit 26 roughly divides the search area S1 into groups of strip-shaped pixel groups (8 x 352 pixels) extending in the Y direction as shown in FIG. May be calculated, and the position of the group having the highest average luminance may be detected as the position (X coordinate position) of the joint J.
- the determination unit 26 may substitute the position of the joint J retrieved as described above into an appropriate correction function to calculate the position of the true joint.
- the judging section 26 says, "Place it further in the back” and "Place it more in front.” Is output to the output unit 24 (step S59). If the joint J is located in the region S in step S55, the determination unit 26 sets the region S in FIG. 34 to the X axis so that the X coordinate of the position of the joint J is the center. The average luminance Q and the reference value Q of all the pixels in the moved area S The difference between the is equal to or a predetermined value ⁇ 5 2 greater than (Step S 5 6). Q and Q.
- the light amount control unit 27 controls the drive current supplied to the LED 11 a or 11 b until the difference becomes smaller than 5 2 , and finely adjusts the light amount. Perform (Steps S60, S61, S56) o
- the determination unit 26 determines that the placement state of the finger and the light amount of the light source are appropriate, the measurement work shown in FIG. 12 is started as shown in the first or second embodiment. .
- the following operation is the same as that of the first or second embodiment, and the description is omitted.
- steps S 2, S 12, and S 13 are inserted before steps S 2, S 12, and S 13, respectively. However, the steps of FIG. If inserted before step S12, imaging in step S52 is performed at the first wavelength, and if inserted before step S13, imaging is performed at the second wavelength.
- a speaker may be provided in the output unit 24, and the message may be output as a voice in steps S58 and S59.
- a part of the living body to be measured is stably fixed without difficulty, so that an accurate and reproducible test result can be obtained.
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU79344/98A AU7934498A (en) | 1997-06-27 | 1998-06-24 | Living body inspecting apparatus and noninvasive blood analyzer using the same |
US09/403,551 US6353750B1 (en) | 1997-06-27 | 1998-06-24 | Living body inspecting apparatus and noninvasive blood analyzer using the same |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17221697 | 1997-06-27 | ||
JP9/172216 | 1997-06-27 | ||
JP9/331924 | 1997-12-02 | ||
JP33192497 | 1997-12-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999000053A1 true WO1999000053A1 (fr) | 1999-01-07 |
Family
ID=26494648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/002875 WO1999000053A1 (fr) | 1997-06-27 | 1998-06-24 | Dispositif permettant d'examiner un organisme vivant et automate permettant d'analyser le sang d'une maniere non invasive au moyen dudit dispositif |
Country Status (3)
Country | Link |
---|---|
US (1) | US6353750B1 (ja) |
AU (1) | AU7934498A (ja) |
WO (1) | WO1999000053A1 (ja) |
Cited By (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000206118A (ja) * | 1999-01-14 | 2000-07-28 | Bisho Junkan Kenkyusho Kk | 毛細血管血流観測装置 |
JP2000271105A (ja) * | 1999-03-23 | 2000-10-03 | Sysmex Corp | 無侵襲血液分析装置 |
JP2000339445A (ja) * | 1999-03-23 | 2000-12-08 | Sysmex Corp | 無侵襲生体検査用装置 |
JP2003508104A (ja) * | 1999-08-31 | 2003-03-04 | シーエムイー テレメトリクス インコーポレーテッド | 組織成分測定のための小型装置 |
EP1447044A1 (en) * | 2003-02-13 | 2004-08-18 | Sysmex Corporation | Noninvasive living body measuring apparatus |
JP2006051279A (ja) * | 2004-08-16 | 2006-02-23 | Sony Corp | 可搬型情報端末装置及び情報提供システム |
JP2007044491A (ja) * | 2005-07-12 | 2007-02-22 | Sysmex Corp | 非侵襲生体計測装置 |
EP1852063A1 (en) * | 1999-09-24 | 2007-11-07 | National Research Council of Canada | Method and apparatus for performing intra-operative angiography |
JP2009142704A (ja) * | 2001-08-29 | 2009-07-02 | Smiths Medical Pm Inc | 指掴み懸架システムを有する指酸素計 |
WO2010073913A1 (ja) * | 2008-12-26 | 2010-07-01 | コニカミノルタセンシング株式会社 | 生体情報測定用プローブ |
JP2010264114A (ja) * | 2009-05-15 | 2010-11-25 | Konica Minolta Sensing Inc | 生体情報測定用プローブ |
JP2011018344A (ja) * | 2010-07-16 | 2011-01-27 | Hitachi Ltd | 個人認証システム及び装置 |
JP2011070386A (ja) * | 2009-09-25 | 2011-04-07 | Hitachi Solutions Ltd | 生体認証装置 |
JP2011526819A (ja) * | 2008-07-03 | 2011-10-20 | マシモ・ラボラトリーズ・インコーポレイテッド | 血液成分の分光分析を改善するための突起、ヒートシンク、および遮蔽 |
JP2012123817A (ja) * | 2012-01-23 | 2012-06-28 | Hitachi Ltd | 血管画像撮影装置および個人認証装置 |
US8384885B2 (en) | 2000-09-20 | 2013-02-26 | Hitachi, Ltd. | Personal identification system |
US8670596B2 (en) | 2000-09-06 | 2014-03-11 | Hitachi, Ltd. | Personal identification device and method |
WO2014050945A1 (ja) * | 2012-09-28 | 2014-04-03 | シスメックス株式会社 | 非侵襲生体計測装置 |
JP2014078274A (ja) * | 2014-01-20 | 2014-05-01 | Hitachi Ltd | 指認証装置 |
US8892190B2 (en) | 1999-09-24 | 2014-11-18 | National Research Council Of Canada | Method and apparatus for performing intra-operative angiography |
US8965473B2 (en) | 2005-09-29 | 2015-02-24 | Covidien Lp | Medical sensor for reducing motion artifacts and technique for using the same |
JP2015127966A (ja) * | 2015-02-09 | 2015-07-09 | 株式会社日立製作所 | 血管画像撮影装置および個人認証装置 |
JP2015228236A (ja) * | 2015-07-21 | 2015-12-17 | 株式会社日立製作所 | 血管画像撮影装置及び認証装置 |
JP2016106310A (ja) * | 2016-01-22 | 2016-06-16 | 株式会社日立製作所 | 個人認証装置 |
US9421280B2 (en) | 2005-04-26 | 2016-08-23 | Novadaq Technologies Inc. | Real time imaging during solid organ transplant |
US9610021B2 (en) | 2008-01-25 | 2017-04-04 | Novadaq Technologies Inc. | Method for evaluating blush in myocardial tissue |
WO2017061204A1 (ja) * | 2015-10-09 | 2017-04-13 | 株式会社デンソー | 血圧測定装置 |
US9668680B2 (en) | 2009-09-03 | 2017-06-06 | Masimo Corporation | Emitter driver for noninvasive patient monitor |
US9816930B2 (en) | 2014-09-29 | 2017-11-14 | Novadaq Technologies Inc. | Imaging a target fluorophore in a biological material in the presence of autofluorescence |
JP2018075068A (ja) * | 2016-11-07 | 2018-05-17 | Necプラットフォームズ株式会社 | 測定装置および測定方法 |
JP2018094400A (ja) * | 2016-12-15 | 2018-06-21 | パナソニックIpマネジメント株式会社 | 撮像装置 |
US10041042B2 (en) | 2008-05-02 | 2018-08-07 | Novadaq Technologies ULC | Methods for production and use of substance-loaded erythrocytes (S-IEs) for observation and treatment of microvascular hemodynamics |
US10219742B2 (en) | 2008-04-14 | 2019-03-05 | Novadaq Technologies ULC | Locating and analyzing perforator flaps for plastic and reconstructive surgery |
US10258266B1 (en) | 2008-07-03 | 2019-04-16 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10265419B2 (en) | 2005-09-02 | 2019-04-23 | Novadaq Technologies ULC | Intraoperative determination of nerve location |
US10278585B2 (en) | 2012-06-21 | 2019-05-07 | Novadaq Technologies ULC | Quantification and analysis of angiography and perfusion |
US10434190B2 (en) | 2006-09-07 | 2019-10-08 | Novadaq Technologies ULC | Pre-and-intra-operative localization of penile sentinel nodes |
US10492671B2 (en) | 2009-05-08 | 2019-12-03 | Novadaq Technologies ULC | Near infra red fluorescence imaging for visualization of blood vessels during endoscopic harvest |
JP2019534720A (ja) * | 2016-08-30 | 2019-12-05 | ブライトシード・エルエルシーBriteseed,Llc | 角度変位補償を用いて管サイズを測定するシステムおよび方法 |
US10631746B2 (en) | 2014-10-09 | 2020-04-28 | Novadaq Technologies ULC | Quantification of absolute blood flow in tissue using fluorescence-mediated photoplethysmography |
KR20210009661A (ko) * | 2019-07-17 | 2021-01-27 | 한국광기술원 | 조갑질환 검출 장치 및 방법 |
US10992848B2 (en) | 2017-02-10 | 2021-04-27 | Novadaq Technologies ULC | Open-field handheld fluorescence imaging systems and methods |
Families Citing this family (164)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6725072B2 (en) * | 1990-10-06 | 2004-04-20 | Hema Metrics, Inc. | Sensor for transcutaneous measurement of vascular access blood flow |
US7758503B2 (en) * | 1997-01-27 | 2010-07-20 | Lynn Lawrence A | Microprocessor system for the analysis of physiologic and financial datasets |
US6018673A (en) * | 1996-10-10 | 2000-01-25 | Nellcor Puritan Bennett Incorporated | Motion compatible sensor for non-invasive optical blood analysis |
US20060161071A1 (en) | 1997-01-27 | 2006-07-20 | Lynn Lawrence A | Time series objectification system and method |
US9042952B2 (en) | 1997-01-27 | 2015-05-26 | Lawrence A. Lynn | System and method for automatic detection of a plurality of SPO2 time series pattern types |
US8932227B2 (en) | 2000-07-28 | 2015-01-13 | Lawrence A. Lynn | System and method for CO2 and oximetry integration |
US9521971B2 (en) | 1997-07-14 | 2016-12-20 | Lawrence A. Lynn | System and method for automatic detection of a plurality of SPO2 time series pattern types |
US20070191697A1 (en) | 2006-02-10 | 2007-08-16 | Lynn Lawrence A | System and method for SPO2 instability detection and quantification |
US6675031B1 (en) | 1999-04-14 | 2004-01-06 | Mallinckrodt Inc. | Method and circuit for indicating quality and accuracy of physiological measurements |
CA2405825C (en) | 2000-04-17 | 2010-11-09 | Nellcor Puritan Bennett Incorporated | Pulse oximeter sensor with piece-wise function |
US8224412B2 (en) | 2000-04-17 | 2012-07-17 | Nellcor Puritan Bennett Llc | Pulse oximeter sensor with piece-wise function |
US9053222B2 (en) | 2002-05-17 | 2015-06-09 | Lawrence A. Lynn | Patient safety processor |
US20060195041A1 (en) | 2002-05-17 | 2006-08-31 | Lynn Lawrence A | Centralized hospital monitoring system for automatically detecting upper airway instability and for preventing and aborting adverse drug reactions |
US20070093721A1 (en) * | 2001-05-17 | 2007-04-26 | Lynn Lawrence A | Microprocessor system for the analysis of physiologic and financial datasets |
JP3617476B2 (ja) * | 2001-07-19 | 2005-02-02 | 株式会社日立製作所 | 指認証装置 |
US6754516B2 (en) * | 2001-07-19 | 2004-06-22 | Nellcor Puritan Bennett Incorporated | Nuisance alarm reductions in a physiological monitor |
US6748254B2 (en) | 2001-10-12 | 2004-06-08 | Nellcor Puritan Bennett Incorporated | Stacked adhesive optical sensor |
US20080200775A1 (en) * | 2007-02-20 | 2008-08-21 | Lynn Lawrence A | Maneuver-based plethysmographic pulse variation detection system and method |
US7190986B1 (en) | 2002-10-18 | 2007-03-13 | Nellcor Puritan Bennett Inc. | Non-adhesive oximeter sensor for sensitive skin |
US7006856B2 (en) * | 2003-01-10 | 2006-02-28 | Nellcor Puritan Bennett Incorporated | Signal quality metrics design for qualifying data for a physiological monitor |
US7016715B2 (en) | 2003-01-13 | 2006-03-21 | Nellcorpuritan Bennett Incorporated | Selection of preset filter parameters based on signal quality |
KR100624412B1 (ko) * | 2003-09-16 | 2006-09-18 | 삼성전자주식회사 | 혈중성분 측정장치 및 이를 이용한 혈중성분측정방법 |
US7120479B2 (en) * | 2004-02-25 | 2006-10-10 | Nellcor Puritan Bennett Inc. | Switch-mode oximeter LED drive with a single inductor |
US7190985B2 (en) * | 2004-02-25 | 2007-03-13 | Nellcor Puritan Bennett Inc. | Oximeter ambient light cancellation |
US8611977B2 (en) * | 2004-03-08 | 2013-12-17 | Covidien Lp | Method and apparatus for optical detection of mixed venous and arterial blood pulsation in tissue |
US7194293B2 (en) * | 2004-03-08 | 2007-03-20 | Nellcor Puritan Bennett Incorporated | Selection of ensemble averaging weights for a pulse oximeter based on signal quality metrics |
US7534212B2 (en) * | 2004-03-08 | 2009-05-19 | Nellcor Puritan Bennett Llc | Pulse oximeter with alternate heart-rate determination |
US7263393B2 (en) * | 2004-06-07 | 2007-08-28 | Healing Rhythms, Llc. | Biofeedback ring sensors |
JP4671811B2 (ja) * | 2004-11-05 | 2011-04-20 | 日立オートモティブシステムズ株式会社 | 指認証装置 |
US20070004976A1 (en) * | 2004-12-14 | 2007-01-04 | Zelenchuk Alex R | In vivo optical measurements of hematocrit |
US20060129038A1 (en) * | 2004-12-14 | 2006-06-15 | Zelenchuk Alex R | Optical determination of in vivo properties |
US7225005B2 (en) * | 2004-12-14 | 2007-05-29 | Intelligent Medical Devices, Inc. | Optical determination of in vivo properties |
US7392075B2 (en) | 2005-03-03 | 2008-06-24 | Nellcor Puritan Bennett Incorporated | Method for enhancing pulse oximetry calculations in the presence of correlated artifacts |
US7330747B2 (en) * | 2005-06-07 | 2008-02-12 | Chemimage Corporation | Invasive chemometry |
US7657294B2 (en) * | 2005-08-08 | 2010-02-02 | Nellcor Puritan Bennett Llc | Compliant diaphragm medical sensor and technique for using the same |
US7590439B2 (en) * | 2005-08-08 | 2009-09-15 | Nellcor Puritan Bennett Llc | Bi-stable medical sensor and technique for using the same |
US7657295B2 (en) * | 2005-08-08 | 2010-02-02 | Nellcor Puritan Bennett Llc | Medical sensor and technique for using the same |
US20070060808A1 (en) | 2005-09-12 | 2007-03-15 | Carine Hoarau | Medical sensor for reducing motion artifacts and technique for using the same |
US7904130B2 (en) | 2005-09-29 | 2011-03-08 | Nellcor Puritan Bennett Llc | Medical sensor and technique for using the same |
US7725147B2 (en) | 2005-09-29 | 2010-05-25 | Nellcor Puritan Bennett Llc | System and method for removing artifacts from waveforms |
US7899510B2 (en) | 2005-09-29 | 2011-03-01 | Nellcor Puritan Bennett Llc | Medical sensor and technique for using the same |
US8092379B2 (en) | 2005-09-29 | 2012-01-10 | Nellcor Puritan Bennett Llc | Method and system for determining when to reposition a physiological sensor |
US7725146B2 (en) | 2005-09-29 | 2010-05-25 | Nellcor Puritan Bennett Llc | System and method for pre-processing waveforms |
US8062221B2 (en) | 2005-09-30 | 2011-11-22 | Nellcor Puritan Bennett Llc | Sensor for tissue gas detection and technique for using the same |
US7486979B2 (en) | 2005-09-30 | 2009-02-03 | Nellcor Puritan Bennett Llc | Optically aligned pulse oximetry sensor and technique for using the same |
US7483731B2 (en) | 2005-09-30 | 2009-01-27 | Nellcor Puritan Bennett Llc | Medical sensor and technique for using the same |
US7555327B2 (en) | 2005-09-30 | 2009-06-30 | Nellcor Puritan Bennett Llc | Folding medical sensor and technique for using the same |
US20070106126A1 (en) | 2005-09-30 | 2007-05-10 | Mannheimer Paul D | Patient monitoring alarm escalation system and method |
US7881762B2 (en) | 2005-09-30 | 2011-02-01 | Nellcor Puritan Bennett Llc | Clip-style medical sensor and technique for using the same |
US8233954B2 (en) | 2005-09-30 | 2012-07-31 | Nellcor Puritan Bennett Llc | Mucosal sensor for the assessment of tissue and blood constituents and technique for using the same |
US20070100220A1 (en) * | 2005-10-28 | 2007-05-03 | Baker Clark R Jr | Adjusting parameters used in pulse oximetry analysis |
US7668579B2 (en) | 2006-02-10 | 2010-02-23 | Lynn Lawrence A | System and method for the detection of physiologic response to stimulation |
US20070208259A1 (en) * | 2006-03-06 | 2007-09-06 | Mannheimer Paul D | Patient monitoring alarm escalation system and method |
US8702606B2 (en) * | 2006-03-21 | 2014-04-22 | Covidien Lp | Patient monitoring help video system and method |
US7522948B2 (en) * | 2006-05-02 | 2009-04-21 | Nellcor Puritan Bennett Llc | Medical sensor and technique for using the same |
US8073518B2 (en) | 2006-05-02 | 2011-12-06 | Nellcor Puritan Bennett Llc | Clip-style medical sensor and technique for using the same |
US8380271B2 (en) | 2006-06-15 | 2013-02-19 | Covidien Lp | System and method for generating customizable audible beep tones and alarms |
US8145288B2 (en) | 2006-08-22 | 2012-03-27 | Nellcor Puritan Bennett Llc | Medical sensor for reducing signal artifacts and technique for using the same |
US8219170B2 (en) | 2006-09-20 | 2012-07-10 | Nellcor Puritan Bennett Llc | System and method for practicing spectrophotometry using light emitting nanostructure devices |
US8175671B2 (en) | 2006-09-22 | 2012-05-08 | Nellcor Puritan Bennett Llc | Medical sensor for reducing signal artifacts and technique for using the same |
US8195264B2 (en) | 2006-09-22 | 2012-06-05 | Nellcor Puritan Bennett Llc | Medical sensor for reducing signal artifacts and technique for using the same |
US8396527B2 (en) * | 2006-09-22 | 2013-03-12 | Covidien Lp | Medical sensor for reducing signal artifacts and technique for using the same |
US7869849B2 (en) | 2006-09-26 | 2011-01-11 | Nellcor Puritan Bennett Llc | Opaque, electrically nonconductive region on a medical sensor |
US7574245B2 (en) | 2006-09-27 | 2009-08-11 | Nellcor Puritan Bennett Llc | Flexible medical sensor enclosure |
US7796403B2 (en) | 2006-09-28 | 2010-09-14 | Nellcor Puritan Bennett Llc | Means for mechanical registration and mechanical-electrical coupling of a faraday shield to a photodetector and an electrical circuit |
US7890153B2 (en) | 2006-09-28 | 2011-02-15 | Nellcor Puritan Bennett Llc | System and method for mitigating interference in pulse oximetry |
US8175667B2 (en) | 2006-09-29 | 2012-05-08 | Nellcor Puritan Bennett Llc | Symmetric LED array for pulse oximetry |
US8068891B2 (en) | 2006-09-29 | 2011-11-29 | Nellcor Puritan Bennett Llc | Symmetric LED array for pulse oximetry |
US8728059B2 (en) * | 2006-09-29 | 2014-05-20 | Covidien Lp | System and method for assuring validity of monitoring parameter in combination with a therapeutic device |
US7476131B2 (en) | 2006-09-29 | 2009-01-13 | Nellcor Puritan Bennett Llc | Device for reducing crosstalk |
US7684842B2 (en) * | 2006-09-29 | 2010-03-23 | Nellcor Puritan Bennett Llc | System and method for preventing sensor misuse |
US7680522B2 (en) | 2006-09-29 | 2010-03-16 | Nellcor Puritan Bennett Llc | Method and apparatus for detecting misapplied sensors |
US8068890B2 (en) * | 2006-09-29 | 2011-11-29 | Nellcor Puritan Bennett Llc | Pulse oximetry sensor switchover |
CN100448398C (zh) * | 2006-11-27 | 2009-01-07 | 北京超思电子技术有限责任公司 | 一种指夹式血氧饱和度测量装置 |
US20080200819A1 (en) * | 2007-02-20 | 2008-08-21 | Lynn Lawrence A | Orthostasis detection system and method |
US8265724B2 (en) | 2007-03-09 | 2012-09-11 | Nellcor Puritan Bennett Llc | Cancellation of light shunting |
US7894869B2 (en) * | 2007-03-09 | 2011-02-22 | Nellcor Puritan Bennett Llc | Multiple configuration medical sensor and technique for using the same |
US8280469B2 (en) | 2007-03-09 | 2012-10-02 | Nellcor Puritan Bennett Llc | Method for detection of aberrant tissue spectra |
US8204567B2 (en) * | 2007-12-13 | 2012-06-19 | Nellcor Puritan Bennett Llc | Signal demodulation |
US8352004B2 (en) | 2007-12-21 | 2013-01-08 | Covidien Lp | Medical sensor and technique for using the same |
US8346328B2 (en) | 2007-12-21 | 2013-01-01 | Covidien Lp | Medical sensor and technique for using the same |
US8366613B2 (en) | 2007-12-26 | 2013-02-05 | Covidien Lp | LED drive circuit for pulse oximetry and method for using same |
US20090171167A1 (en) * | 2007-12-27 | 2009-07-02 | Nellcor Puritan Bennett Llc | System And Method For Monitor Alarm Management |
US8577434B2 (en) | 2007-12-27 | 2013-11-05 | Covidien Lp | Coaxial LED light sources |
US8442608B2 (en) | 2007-12-28 | 2013-05-14 | Covidien Lp | System and method for estimating physiological parameters by deconvolving artifacts |
US8452364B2 (en) | 2007-12-28 | 2013-05-28 | Covidien LLP | System and method for attaching a sensor to a patient's skin |
US8199007B2 (en) | 2007-12-31 | 2012-06-12 | Nellcor Puritan Bennett Llc | Flex circuit snap track for a biometric sensor |
US20090171226A1 (en) * | 2007-12-31 | 2009-07-02 | Nellcor Puritan Bennett Llc | System and method for evaluating variation in the timing of physiological events |
US8092993B2 (en) | 2007-12-31 | 2012-01-10 | Nellcor Puritan Bennett Llc | Hydrogel thin film for use as a biosensor |
US8070508B2 (en) | 2007-12-31 | 2011-12-06 | Nellcor Puritan Bennett Llc | Method and apparatus for aligning and securing a cable strain relief |
US8897850B2 (en) | 2007-12-31 | 2014-11-25 | Covidien Lp | Sensor with integrated living hinge and spring |
US8750953B2 (en) | 2008-02-19 | 2014-06-10 | Covidien Lp | Methods and systems for alerting practitioners to physiological conditions |
US8275553B2 (en) * | 2008-02-19 | 2012-09-25 | Nellcor Puritan Bennett Llc | System and method for evaluating physiological parameter data |
US20090247851A1 (en) * | 2008-03-26 | 2009-10-01 | Nellcor Puritan Bennett Llc | Graphical User Interface For Monitor Alarm Management |
US8140272B2 (en) * | 2008-03-27 | 2012-03-20 | Nellcor Puritan Bennett Llc | System and method for unmixing spectroscopic observations with nonnegative matrix factorization |
US20090247850A1 (en) * | 2008-03-28 | 2009-10-01 | Nellcor Puritan Bennett Llc | Manually Powered Oximeter |
US8437822B2 (en) | 2008-03-28 | 2013-05-07 | Covidien Lp | System and method for estimating blood analyte concentration |
US8364224B2 (en) * | 2008-03-31 | 2013-01-29 | Covidien Lp | System and method for facilitating sensor and monitor communication |
US8112375B2 (en) | 2008-03-31 | 2012-02-07 | Nellcor Puritan Bennett Llc | Wavelength selection and outlier detection in reduced rank linear models |
US8292809B2 (en) | 2008-03-31 | 2012-10-23 | Nellcor Puritan Bennett Llc | Detecting chemical components from spectroscopic observations |
EP2283443A1 (en) | 2008-05-07 | 2011-02-16 | Lynn, Lawrence A. | Medical failure pattern search engine |
USD626561S1 (en) | 2008-06-30 | 2010-11-02 | Nellcor Puritan Bennett Llc | Circular satseconds indicator and triangular saturation pattern detection indicator for a patient monitor display panel |
US20090327515A1 (en) * | 2008-06-30 | 2009-12-31 | Thomas Price | Medical Monitor With Network Connectivity |
US7880884B2 (en) | 2008-06-30 | 2011-02-01 | Nellcor Puritan Bennett Llc | System and method for coating and shielding electronic sensor components |
USD626562S1 (en) | 2008-06-30 | 2010-11-02 | Nellcor Puritan Bennett Llc | Triangular saturation pattern detection indicator for a patient monitor display panel |
US8071935B2 (en) | 2008-06-30 | 2011-12-06 | Nellcor Puritan Bennett Llc | Optical detector with an overmolded faraday shield |
US7887345B2 (en) | 2008-06-30 | 2011-02-15 | Nellcor Puritan Bennett Llc | Single use connector for pulse oximetry sensors |
US9895068B2 (en) * | 2008-06-30 | 2018-02-20 | Covidien Lp | Pulse oximeter with wait-time indication |
US8364220B2 (en) | 2008-09-25 | 2013-01-29 | Covidien Lp | Medical sensor and technique for using the same |
US8423112B2 (en) | 2008-09-30 | 2013-04-16 | Covidien Lp | Medical sensor and technique for using the same |
US8914088B2 (en) | 2008-09-30 | 2014-12-16 | Covidien Lp | Medical sensor and technique for using the same |
US8968193B2 (en) * | 2008-09-30 | 2015-03-03 | Covidien Lp | System and method for enabling a research mode on physiological monitors |
US8386000B2 (en) * | 2008-09-30 | 2013-02-26 | Covidien Lp | System and method for photon density wave pulse oximetry and pulse hemometry |
US8433382B2 (en) * | 2008-09-30 | 2013-04-30 | Covidien Lp | Transmission mode photon density wave system and method |
US8417309B2 (en) | 2008-09-30 | 2013-04-09 | Covidien Lp | Medical sensor |
AU2009308780B2 (en) * | 2008-10-31 | 2013-10-17 | Covidien Lp | System and method for facilitating observation of monitored physiologic data |
WO2010051479A1 (en) | 2008-10-31 | 2010-05-06 | Nellcor Puritan Bennett Llc | System and method for facilitating observation of monitored physiologic data |
US20090171172A1 (en) * | 2008-12-19 | 2009-07-02 | Nellcor Puritan Bennett Llc | Method and system for pulse gating |
US8452366B2 (en) | 2009-03-16 | 2013-05-28 | Covidien Lp | Medical monitoring device with flexible circuitry |
US20100240972A1 (en) * | 2009-03-20 | 2010-09-23 | Nellcor Puritan Bennett Llc | Slider Spot Check Pulse Oximeter |
US8221319B2 (en) | 2009-03-25 | 2012-07-17 | Nellcor Puritan Bennett Llc | Medical device for assessing intravascular blood volume and technique for using the same |
US20100249551A1 (en) * | 2009-03-31 | 2010-09-30 | Nelicor Puritan Bennett LLC | System And Method For Generating Corrective Actions Correlated To Medical Sensor Errors |
US8509869B2 (en) | 2009-05-15 | 2013-08-13 | Covidien Lp | Method and apparatus for detecting and analyzing variations in a physiologic parameter |
US8634891B2 (en) | 2009-05-20 | 2014-01-21 | Covidien Lp | Method and system for self regulation of sensor component contact pressure |
US9010634B2 (en) | 2009-06-30 | 2015-04-21 | Covidien Lp | System and method for linking patient data to a patient and providing sensor quality assurance |
US8505821B2 (en) | 2009-06-30 | 2013-08-13 | Covidien Lp | System and method for providing sensor quality assurance |
US8311601B2 (en) | 2009-06-30 | 2012-11-13 | Nellcor Puritan Bennett Llc | Reflectance and/or transmissive pulse oximeter |
US8391941B2 (en) | 2009-07-17 | 2013-03-05 | Covidien Lp | System and method for memory switching for multiple configuration medical sensor |
US8494786B2 (en) | 2009-07-30 | 2013-07-23 | Covidien Lp | Exponential sampling of red and infrared signals |
US20110029865A1 (en) * | 2009-07-31 | 2011-02-03 | Nellcor Puritan Bennett Llc | Control Interface For A Medical Monitor |
US20110034783A1 (en) * | 2009-08-10 | 2011-02-10 | Nellcor Puritan Bennett Llc | Systems and methods for balancing power consumption and utility of wireless medical sensors |
US8417310B2 (en) | 2009-08-10 | 2013-04-09 | Covidien Lp | Digital switching in multi-site sensor |
US8494606B2 (en) * | 2009-08-19 | 2013-07-23 | Covidien Lp | Photoplethysmography with controlled application of sensor pressure |
US8428675B2 (en) | 2009-08-19 | 2013-04-23 | Covidien Lp | Nanofiber adhesives used in medical devices |
US8704666B2 (en) * | 2009-09-21 | 2014-04-22 | Covidien Lp | Medical device interface customization systems and methods |
US8494604B2 (en) * | 2009-09-21 | 2013-07-23 | Covidien Lp | Wavelength-division multiplexing in a multi-wavelength photon density wave system |
US8788001B2 (en) * | 2009-09-21 | 2014-07-22 | Covidien Lp | Time-division multiplexing in a multi-wavelength photon density wave system |
US8798704B2 (en) * | 2009-09-24 | 2014-08-05 | Covidien Lp | Photoacoustic spectroscopy method and system to discern sepsis from shock |
US8923945B2 (en) * | 2009-09-24 | 2014-12-30 | Covidien Lp | Determination of a physiological parameter |
US8571621B2 (en) * | 2009-09-24 | 2013-10-29 | Covidien Lp | Minimax filtering for pulse oximetry |
WO2011037699A2 (en) * | 2009-09-24 | 2011-03-31 | Nellcor Puritan Bennett Llc | Determination of a physiological parameter |
US8376955B2 (en) * | 2009-09-29 | 2013-02-19 | Covidien Lp | Spectroscopic method and system for assessing tissue temperature |
US9554739B2 (en) * | 2009-09-29 | 2017-01-31 | Covidien Lp | Smart cable for coupling a medical sensor to an electronic patient monitor |
US8515511B2 (en) | 2009-09-29 | 2013-08-20 | Covidien Lp | Sensor with an optical coupling material to improve plethysmographic measurements and method of using the same |
US20110077470A1 (en) * | 2009-09-30 | 2011-03-31 | Nellcor Puritan Bennett Llc | Patient Monitor Symmetry Control |
US8401608B2 (en) * | 2009-09-30 | 2013-03-19 | Covidien Lp | Method of analyzing photon density waves in a medical monitor |
US20110074342A1 (en) * | 2009-09-30 | 2011-03-31 | Nellcor Puritan Bennett Llc | Wireless electricity for electronic devices |
US9078610B2 (en) * | 2010-02-22 | 2015-07-14 | Covidien Lp | Motion energy harvesting with wireless sensors |
US20110213217A1 (en) * | 2010-02-28 | 2011-09-01 | Nellcor Puritan Bennett Llc | Energy optimized sensing techniques |
US8483788B2 (en) * | 2010-02-28 | 2013-07-09 | Covidien Lp | Motion compensation in a sensor |
US8874180B2 (en) * | 2010-02-28 | 2014-10-28 | Covidien Lp | Ambient electromagnetic energy harvesting with wireless sensors |
US8391943B2 (en) | 2010-03-31 | 2013-03-05 | Covidien Lp | Multi-wavelength photon density wave system using an optical switch |
US8553223B2 (en) | 2010-03-31 | 2013-10-08 | Covidien Lp | Biodegradable fibers for sensing |
US8428676B2 (en) | 2010-03-31 | 2013-04-23 | Covidien Lp | Thermoelectric energy harvesting with wireless sensors |
US8498683B2 (en) | 2010-04-30 | 2013-07-30 | Covidien LLP | Method for respiration rate and blood pressure alarm management |
US8319401B2 (en) | 2010-04-30 | 2012-11-27 | Nellcor Puritan Bennett Llc | Air movement energy harvesting with wireless sensors |
US9380982B2 (en) | 2010-07-28 | 2016-07-05 | Covidien Lp | Adaptive alarm system and method |
US8930145B2 (en) | 2010-07-28 | 2015-01-06 | Covidien Lp | Light focusing continuous wave photoacoustic spectroscopy and its applications to patient monitoring |
US8610769B2 (en) | 2011-02-28 | 2013-12-17 | Covidien Lp | Medical monitor data collection system and method |
TWI474215B (zh) * | 2011-11-17 | 2015-02-21 | Pixart Imaging Inc | 鍵盤模組及顯示系統 |
US20130218025A1 (en) * | 2012-02-21 | 2013-08-22 | Oxirate, Inc. | Clip sensor device for measurement of vital signs |
US9833146B2 (en) | 2012-04-17 | 2017-12-05 | Covidien Lp | Surgical system and method of use of the same |
JP6274846B2 (ja) * | 2013-12-11 | 2018-02-07 | 日本光電工業株式会社 | 光センサ |
JP6760952B2 (ja) * | 2015-02-19 | 2020-09-23 | ブライトシード・エルエルシーBriteseed,Llc | 脈管のサイズ及び/又は辺縁を決定するためのシステム及び方法 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0261309U (ja) * | 1988-10-26 | 1990-05-08 | ||
JPH0339005U (ja) * | 1989-08-24 | 1991-04-16 | ||
JPH0388505U (ja) * | 1989-12-28 | 1991-09-10 | ||
JPH0451936A (ja) * | 1990-06-19 | 1992-02-20 | Otax Kk | 血液監視センサ |
JPH06503728A (ja) * | 1990-08-29 | 1994-04-28 | カデル、セオドアー・イー | 指受け装置 |
JPH06125881A (ja) * | 1992-10-14 | 1994-05-10 | Misawa Homes Co Ltd | 血圧測定機能付指尖脈波センサ |
JPH06505903A (ja) * | 1991-03-21 | 1994-07-07 | マシモ・コーポレイション | 低ノイズ光学プローブ |
JPH0788105A (ja) * | 1993-09-22 | 1995-04-04 | Kowa Co | 脈波分光計 |
JPH07213498A (ja) * | 1994-02-02 | 1995-08-15 | Matsushita Electric Ind Co Ltd | 脈波測定装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07108284B2 (ja) * | 1986-12-26 | 1995-11-22 | オリンパス光学工業株式会社 | 体外観察装置 |
JP2640838B2 (ja) | 1988-08-25 | 1997-08-13 | ヤンマーディーゼル株式会社 | 内燃機関のセミドライサンプ式潤滑装置 |
JPH0339005A (ja) | 1989-07-06 | 1991-02-20 | Takashi Kanai | 農薬併用刈払機 |
JP2692289B2 (ja) | 1989-08-31 | 1997-12-17 | 横河電機株式会社 | 任意波形発生器 |
US5209230A (en) * | 1990-10-19 | 1993-05-11 | Nellcor Incorporated | Adhesive pulse oximeter sensor with reusable portion |
US5226417A (en) * | 1991-03-11 | 1993-07-13 | Nellcor, Inc. | Apparatus for the detection of motion transients |
US5368025A (en) * | 1991-08-22 | 1994-11-29 | Sensor Devices, Inc. | Non-invasive oximeter probe |
US5348003A (en) * | 1992-09-03 | 1994-09-20 | Sirraya, Inc. | Method and apparatus for chemical analysis |
IL107396A (en) * | 1992-11-09 | 1997-02-18 | Boehringer Mannheim Gmbh | Method and apparatus for analytical determination of glucose in a biological matrix |
JP2586392Y2 (ja) * | 1993-03-15 | 1998-12-02 | 日本光電工業株式会社 | パルスオキシメータ用プローブ |
US5553613A (en) * | 1994-08-17 | 1996-09-10 | Pfizer Inc. | Non invasive blood analyte sensor |
BR9612293A (pt) * | 1995-12-27 | 1999-07-13 | Toa Medical Electronics | Analisador de sangue não-invasivo |
US5974338A (en) * | 1997-04-15 | 1999-10-26 | Toa Medical Electronics Co., Ltd. | Non-invasive blood analyzer |
-
1998
- 1998-06-24 AU AU79344/98A patent/AU7934498A/en not_active Abandoned
- 1998-06-24 US US09/403,551 patent/US6353750B1/en not_active Expired - Lifetime
- 1998-06-24 WO PCT/JP1998/002875 patent/WO1999000053A1/ja active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0261309U (ja) * | 1988-10-26 | 1990-05-08 | ||
JPH0339005U (ja) * | 1989-08-24 | 1991-04-16 | ||
JPH0388505U (ja) * | 1989-12-28 | 1991-09-10 | ||
JPH0451936A (ja) * | 1990-06-19 | 1992-02-20 | Otax Kk | 血液監視センサ |
JPH06503728A (ja) * | 1990-08-29 | 1994-04-28 | カデル、セオドアー・イー | 指受け装置 |
JPH06505903A (ja) * | 1991-03-21 | 1994-07-07 | マシモ・コーポレイション | 低ノイズ光学プローブ |
JPH06125881A (ja) * | 1992-10-14 | 1994-05-10 | Misawa Homes Co Ltd | 血圧測定機能付指尖脈波センサ |
JPH0788105A (ja) * | 1993-09-22 | 1995-04-04 | Kowa Co | 脈波分光計 |
JPH07213498A (ja) * | 1994-02-02 | 1995-08-15 | Matsushita Electric Ind Co Ltd | 脈波測定装置 |
Cited By (91)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000206118A (ja) * | 1999-01-14 | 2000-07-28 | Bisho Junkan Kenkyusho Kk | 毛細血管血流観測装置 |
JP2000271105A (ja) * | 1999-03-23 | 2000-10-03 | Sysmex Corp | 無侵襲血液分析装置 |
JP2000339445A (ja) * | 1999-03-23 | 2000-12-08 | Sysmex Corp | 無侵襲生体検査用装置 |
JP4554736B2 (ja) * | 1999-03-23 | 2010-09-29 | シスメックス株式会社 | 無侵襲血液分析装置 |
JP4505102B2 (ja) * | 1999-03-23 | 2010-07-21 | シスメックス株式会社 | 無侵襲生体検査用装置 |
JP2003508104A (ja) * | 1999-08-31 | 2003-03-04 | シーエムイー テレメトリクス インコーポレーテッド | 組織成分測定のための小型装置 |
EP2281503A3 (en) * | 1999-09-24 | 2011-06-29 | National Research Council of Canada | Method and apparatus for performing intra-operative angiography |
US8892190B2 (en) | 1999-09-24 | 2014-11-18 | National Research Council Of Canada | Method and apparatus for performing intra-operative angiography |
EP1852063A1 (en) * | 1999-09-24 | 2007-11-07 | National Research Council of Canada | Method and apparatus for performing intra-operative angiography |
US8670596B2 (en) | 2000-09-06 | 2014-03-11 | Hitachi, Ltd. | Personal identification device and method |
US8384885B2 (en) | 2000-09-20 | 2013-02-26 | Hitachi, Ltd. | Personal identification system |
US8767195B2 (en) | 2000-09-20 | 2014-07-01 | Hitachi, Ltd. | Personal identification system |
JP2009142704A (ja) * | 2001-08-29 | 2009-07-02 | Smiths Medical Pm Inc | 指掴み懸架システムを有する指酸素計 |
US7280860B2 (en) | 2003-02-13 | 2007-10-09 | Sysmex Corporation | Noninvasive living body measuring apparatuses |
EP1447044A1 (en) * | 2003-02-13 | 2004-08-18 | Sysmex Corporation | Noninvasive living body measuring apparatus |
JP2006051279A (ja) * | 2004-08-16 | 2006-02-23 | Sony Corp | 可搬型情報端末装置及び情報提供システム |
JP4596241B2 (ja) * | 2004-08-16 | 2010-12-08 | ソニー株式会社 | 可搬型情報端末装置及び情報提供システム |
US9421280B2 (en) | 2005-04-26 | 2016-08-23 | Novadaq Technologies Inc. | Real time imaging during solid organ transplant |
JP2007044491A (ja) * | 2005-07-12 | 2007-02-22 | Sysmex Corp | 非侵襲生体計測装置 |
US10265419B2 (en) | 2005-09-02 | 2019-04-23 | Novadaq Technologies ULC | Intraoperative determination of nerve location |
US8965473B2 (en) | 2005-09-29 | 2015-02-24 | Covidien Lp | Medical sensor for reducing motion artifacts and technique for using the same |
US10434190B2 (en) | 2006-09-07 | 2019-10-08 | Novadaq Technologies ULC | Pre-and-intra-operative localization of penile sentinel nodes |
US11564583B2 (en) | 2008-01-25 | 2023-01-31 | Stryker European Operations Limited | Method for evaluating blush in myocardial tissue |
US9936887B2 (en) | 2008-01-25 | 2018-04-10 | Novadaq Technologies ULC | Method for evaluating blush in myocardial tissue |
US10835138B2 (en) | 2008-01-25 | 2020-11-17 | Stryker European Operations Limited | Method for evaluating blush in myocardial tissue |
US9610021B2 (en) | 2008-01-25 | 2017-04-04 | Novadaq Technologies Inc. | Method for evaluating blush in myocardial tissue |
US10219742B2 (en) | 2008-04-14 | 2019-03-05 | Novadaq Technologies ULC | Locating and analyzing perforator flaps for plastic and reconstructive surgery |
US10041042B2 (en) | 2008-05-02 | 2018-08-07 | Novadaq Technologies ULC | Methods for production and use of substance-loaded erythrocytes (S-IEs) for observation and treatment of microvascular hemodynamics |
US10702194B1 (en) | 2008-07-03 | 2020-07-07 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10588554B2 (en) | 2008-07-03 | 2020-03-17 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US11751773B2 (en) | 2008-07-03 | 2023-09-12 | Masimo Corporation | Emitter arrangement for physiological measurements |
US11647914B2 (en) | 2008-07-03 | 2023-05-16 | Masimo Corporation | User-worn device for noninvasively measuring a physiological parameter of a user |
US9591975B2 (en) | 2008-07-03 | 2017-03-14 | Masimo Corporation | Contoured protrusion for improving spectroscopic measurement of blood constituents |
US11642037B2 (en) | 2008-07-03 | 2023-05-09 | Masimo Corporation | User-worn device for noninvasively measuring a physiological parameter of a user |
US11642036B2 (en) | 2008-07-03 | 2023-05-09 | Masimo Corporation | User-worn device for noninvasively measuring a physiological parameter of a user |
US11638532B2 (en) | 2008-07-03 | 2023-05-02 | Masimo Corporation | User-worn device for noninvasively measuring a physiological parameter of a user |
US11484230B2 (en) | 2008-07-03 | 2022-11-01 | Masimo Corporation | User-worn device for noninvasively measuring a physiological parameter of a user |
US11484229B2 (en) | 2008-07-03 | 2022-11-01 | Masimo Corporation | User-worn device for noninvasively measuring a physiological parameter of a user |
US11426103B2 (en) | 2008-07-03 | 2022-08-30 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10945648B2 (en) | 2008-07-03 | 2021-03-16 | Masimo Corporation | User-worn device for noninvasively measuring a physiological parameter of a user |
US10912500B2 (en) | 2008-07-03 | 2021-02-09 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10912501B2 (en) | 2008-07-03 | 2021-02-09 | Masimo Corporation | User-worn device for noninvasively measuring a physiological parameter of a user |
US10912502B2 (en) | 2008-07-03 | 2021-02-09 | Masimo Corporation | User-worn device for noninvasively measuring a physiological parameter of a user |
US10758166B2 (en) | 2008-07-03 | 2020-09-01 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10258266B1 (en) | 2008-07-03 | 2019-04-16 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10258265B1 (en) | 2008-07-03 | 2019-04-16 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
JP2011526819A (ja) * | 2008-07-03 | 2011-10-20 | マシモ・ラボラトリーズ・インコーポレイテッド | 血液成分の分光分析を改善するための突起、ヒートシンク、および遮蔽 |
US10743803B2 (en) | 2008-07-03 | 2020-08-18 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10292628B1 (en) | 2008-07-03 | 2019-05-21 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10299708B1 (en) | 2008-07-03 | 2019-05-28 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10335068B2 (en) | 2008-07-03 | 2019-07-02 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10376191B1 (en) | 2008-07-03 | 2019-08-13 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10376190B1 (en) | 2008-07-03 | 2019-08-13 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10709366B1 (en) | 2008-07-03 | 2020-07-14 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10702195B1 (en) | 2008-07-03 | 2020-07-07 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10631765B1 (en) | 2008-07-03 | 2020-04-28 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10624564B1 (en) | 2008-07-03 | 2020-04-21 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10582886B2 (en) | 2008-07-03 | 2020-03-10 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10588553B2 (en) | 2008-07-03 | 2020-03-17 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10624563B2 (en) | 2008-07-03 | 2020-04-21 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10610138B2 (en) | 2008-07-03 | 2020-04-07 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US10617338B2 (en) | 2008-07-03 | 2020-04-14 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
WO2010073913A1 (ja) * | 2008-12-26 | 2010-07-01 | コニカミノルタセンシング株式会社 | 生体情報測定用プローブ |
US10492671B2 (en) | 2009-05-08 | 2019-12-03 | Novadaq Technologies ULC | Near infra red fluorescence imaging for visualization of blood vessels during endoscopic harvest |
JP2010264114A (ja) * | 2009-05-15 | 2010-11-25 | Konica Minolta Sensing Inc | 生体情報測定用プローブ |
US9668680B2 (en) | 2009-09-03 | 2017-06-06 | Masimo Corporation | Emitter driver for noninvasive patient monitor |
JP2011070386A (ja) * | 2009-09-25 | 2011-04-07 | Hitachi Solutions Ltd | 生体認証装置 |
JP2011018344A (ja) * | 2010-07-16 | 2011-01-27 | Hitachi Ltd | 個人認証システム及び装置 |
JP2012123817A (ja) * | 2012-01-23 | 2012-06-28 | Hitachi Ltd | 血管画像撮影装置および個人認証装置 |
US10278585B2 (en) | 2012-06-21 | 2019-05-07 | Novadaq Technologies ULC | Quantification and analysis of angiography and perfusion |
US11284801B2 (en) | 2012-06-21 | 2022-03-29 | Stryker European Operations Limited | Quantification and analysis of angiography and perfusion |
WO2014050945A1 (ja) * | 2012-09-28 | 2014-04-03 | シスメックス株式会社 | 非侵襲生体計測装置 |
JPWO2014050945A1 (ja) * | 2012-09-28 | 2016-08-22 | シスメックス株式会社 | 非侵襲生体計測装置 |
JP2014078274A (ja) * | 2014-01-20 | 2014-05-01 | Hitachi Ltd | 指認証装置 |
US10488340B2 (en) | 2014-09-29 | 2019-11-26 | Novadaq Technologies ULC | Imaging a target fluorophore in a biological material in the presence of autofluorescence |
US9816930B2 (en) | 2014-09-29 | 2017-11-14 | Novadaq Technologies Inc. | Imaging a target fluorophore in a biological material in the presence of autofluorescence |
US10631746B2 (en) | 2014-10-09 | 2020-04-28 | Novadaq Technologies ULC | Quantification of absolute blood flow in tissue using fluorescence-mediated photoplethysmography |
JP2015127966A (ja) * | 2015-02-09 | 2015-07-09 | 株式会社日立製作所 | 血管画像撮影装置および個人認証装置 |
JP2015228236A (ja) * | 2015-07-21 | 2015-12-17 | 株式会社日立製作所 | 血管画像撮影装置及び認証装置 |
WO2017061204A1 (ja) * | 2015-10-09 | 2017-04-13 | 株式会社デンソー | 血圧測定装置 |
JP2017070630A (ja) * | 2015-10-09 | 2017-04-13 | 株式会社デンソー | 血圧測定装置 |
CN107708536A (zh) * | 2015-10-09 | 2018-02-16 | 株式会社电装 | 血压测定装置 |
JP2016106310A (ja) * | 2016-01-22 | 2016-06-16 | 株式会社日立製作所 | 個人認証装置 |
US11589852B2 (en) | 2016-08-30 | 2023-02-28 | Briteseed, Llc | Optical surgical system having light sensor on its jaw and method for determining vessel size with angular distortion compensation |
JP2019534720A (ja) * | 2016-08-30 | 2019-12-05 | ブライトシード・エルエルシーBriteseed,Llc | 角度変位補償を用いて管サイズを測定するシステムおよび方法 |
JP2018075068A (ja) * | 2016-11-07 | 2018-05-17 | Necプラットフォームズ株式会社 | 測定装置および測定方法 |
JP2018094400A (ja) * | 2016-12-15 | 2018-06-21 | パナソニックIpマネジメント株式会社 | 撮像装置 |
US11140305B2 (en) | 2017-02-10 | 2021-10-05 | Stryker European Operations Limited | Open-field handheld fluorescence imaging systems and methods |
US10992848B2 (en) | 2017-02-10 | 2021-04-27 | Novadaq Technologies ULC | Open-field handheld fluorescence imaging systems and methods |
KR102266345B1 (ko) * | 2019-07-17 | 2021-06-17 | 한국광기술원 | 조갑질환 검출 장치 및 방법 |
KR20210009661A (ko) * | 2019-07-17 | 2021-01-27 | 한국광기술원 | 조갑질환 검출 장치 및 방법 |
Also Published As
Publication number | Publication date |
---|---|
US6353750B1 (en) | 2002-03-05 |
AU7934498A (en) | 1999-01-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO1999000053A1 (fr) | Dispositif permettant d'examiner un organisme vivant et automate permettant d'analyser le sang d'une maniere non invasive au moyen dudit dispositif | |
JP3579686B2 (ja) | 測定位置再現方法および測定位置再現装置並びにそれを使用した光学測定装置 | |
JP4236950B2 (ja) | 非侵襲生体計測装置 | |
TWI519277B (zh) | 皮膚光學診斷裝置及其運作方法 | |
US8135447B2 (en) | Optical biological information measuring apparatus, optical biological information measuring method, biological information decision apparatus, program and recording medium | |
US5416590A (en) | Apparatus and process for measuring gap and mismatch | |
CN105142499B (zh) | 成像器的自动对准 | |
US9322644B2 (en) | Method and apparatus for the examination of an object | |
US20090018420A1 (en) | Apparatus for Non-Invasive Spectroscopic Measurement of Analytes, and Method of Using the Same | |
JP2005338101A (ja) | 試験素子の測光分析のための方法 | |
JP4121576B2 (ja) | 光学断面を用いたレンズパラメーター測定方法および測定装置 | |
JP4371461B2 (ja) | 無侵襲生体計測装置 | |
JP2012519864A (ja) | 画像化方法 | |
US7847946B2 (en) | Verification apparatus and methods for optical inspection machine | |
TW201840293A (zh) | 用於改善生理檢測之可用性及精確度的方法 | |
JPH0771945A (ja) | 表面性状測定方法及びその装置 | |
JP2003310578A (ja) | 生体信号測定方法及び生体信号測定装置 | |
US20100087739A1 (en) | Apparatus for optical body analysis | |
TW200912294A (en) | Investigation system and technique | |
US20090169078A1 (en) | Noninvasive living body measuring device and a noninvasive living body measuring method | |
JPH0473046A (ja) | 検眼装置 | |
JP2001095806A (ja) | 体脂肪計測装置及び方法 | |
Hornberger et al. | A prototype device for standardized calibration of pulse oximeters II | |
JP2000225108A (ja) | 無侵襲生体検査用生体モデル | |
JPH10309268A (ja) | 凹凸画像入力装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GE GH HU IL IS JP KE KG KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK TJ TM TR TT UA UG US UZ VN YU |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW SD SZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN ML MR NE SN TD TG |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 09403551 Country of ref document: US |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
122 | Ep: pct application non-entry in european phase | ||
NENP | Non-entry into the national phase |
Ref country code: CA |