US20020183652A1 - Non-biohazard blood letting system - Google Patents
Non-biohazard blood letting system Download PDFInfo
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- US20020183652A1 US20020183652A1 US09/873,520 US87352001A US2002183652A1 US 20020183652 A1 US20020183652 A1 US 20020183652A1 US 87352001 A US87352001 A US 87352001A US 2002183652 A1 US2002183652 A1 US 2002183652A1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/0005—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor for pharmaceuticals, biologicals or living parts
- A61L2/0082—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor for pharmaceuticals, biologicals or living parts using chemical substances
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/15003—Source of blood for venous or arterial blood
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- A61B5/150007—Details
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
- A61B5/150221—Valves
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- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
- A61B5/150305—Packages specially adapted for piercing devices or blood sampling devices
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- A61B5/150366—Blood collection bags, e.g. connected to the patient by a catheter comprising means for removing a small sample of collected blood from the bag
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- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
- A61B5/150389—Hollow piercing elements, e.g. canulas, needles, for piercing the skin
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- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
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- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3681—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits by irradiation
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- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
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- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
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- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
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- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/88—Draining devices having means for processing the drained fluid, e.g. an absorber
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- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/28—Clamping means for squeezing flexible tubes, e.g. roller clamps
- A61M39/285—Cam clamps, e.g. roller clamps with eccentric axis
Definitions
- the invention pertains to methods and apparatus for reducing blood viscosity of living beings, and more particularly, to methods and apparatus for the automatic and safe removal of blood from a living being.
- An apparatus for permitting automatic, self-blood letting of a living being of a predetermined amount of blood e.g., approximately 1 pint
- a predetermined amount of blood e.g., approximately 1 pint
- renders the removed blood non-biohazardous e.g., using an internal micro-biological inactivating agent
- a method of permitting automatic, self-blood letting of a living being of a predetermined amount of blood while rendering the removed blood non-biohazardous for safe disposal comprises: (a) providing a blood collector that normally has an expanded state and which contains a micro-biological inactivating agent (e.g., bromine, chlorine, Methylene blue (MB) and its derivatives azure A, B, C and thionine); (b) evacuating the blood collector of atmospheric pressure to form a compressed state of the blood collector; (c) coupling a releasable biasing member to the blood collector to maintain the blood collector in the compressed state until a desired time; (d) coupling the blood vessel of the living being to the blood collector; (e) activating the releasable biasing member to cause the blood collector to rapidly expand to draw the predetermined amount of blood into the blood collector; (f) de-coupling the blood collector from the blood vessel; and (g) discarding the blood collector.
- a micro-biological inactivating agent e
- FIG. 1 is a diagrammatic view of the blood letting system of the present invention coupled to a blood vessel of a human being at one end and including a blood collecting portion at another end before blood letting has begun;
- FIG. 1A is an enlarged view of the portion indicated in FIG. 1;
- FIG. 2 is a cross-sectional view of a blood collector of the blood letting system of the present invention during blood letting showing the automatic removal of the blood from the human being to the blood collecting portion;
- FIG. 2A is an enlarged view of the portion indicated in FIG. 2;
- FIG. 3 is a cross-sectional view of the blood letting system of the present invention that is ready for safe disposal.
- the system 20 is a self-contained system that allows a patient, or a technician to assist a patient, to blood let safely and automatically.
- the system 20 basically comprises an intubation portion 22 , a blood conveyor 24 and a blood collector 26 .
- the intubation portion 22 basically comprises a safety needle 34 having a safety cap 36 (FIG. 3).
- the safety needle 34 is coupled in fluid communication with the blood conveyor 24 via a housing 38 .
- the housing 38 is affixed to an attachment strap 40 that aids in holding the safety needle 34 in place once inserted into a blood vessel.
- the strap may include a hook/pile 42 (e.g., the fastener sold under the mark VELCRO®) configuration for permitting the strap 40 to be releasably secured to the limb of the living being.
- the housing 38 may also comprise, although not required, a manually-operable clamp 44 that the patient can use to control the flow of blood, as will be discussed later.
- the blood conveyor 24 (e.g., a catheter, a pliable tube or any equivalent structure that can convey a fluid therein and that is pliable so that it can be stowed inside a bag or other similar structure) is coupled at a first end 46 (FIG. 1A) to the safety needle 34 and to a one-way valve 48 adjacent its other end 50 (FIG. 2).
- the blood collector 26 comprises two compartments: a blood collecting portion 30 and a resealable storage portion 28 . These two compartments are isolated from each other via an inner wall 52 having an aperture 53 in which is disposed the one-way valve 48 .
- the blood collecting portion 30 is formed by a durable material (e.g., plastic) having a memory that tends to maintain the blood collecting portion 30 in an expanded state (FIG. 2).
- a durable material e.g., plastic
- An example of such a material is used in nose cleaners for infants, or other pliable bulbs used in medicine for creating a suction force (e.g., pipette pump, Cole-Parmer EW-24805-10 Pipette Filler).
- molded pockets 54 A and 54 B On the exterior of the blood collecting portion 30 are a pair of molded pockets 54 A and 54 B on opposite sides of the blood collecting portion 30 . These molded pockets 54 A/ 54 B form sleeves into which the free ends 56 A and 56 B of an expandor, e.g., a leaf spring 58 , are captured.
- the leaf spring 58 may comprise a bent piece of spring steel having a memory or bias (which tends to move the free ends 56 A/ 56 B away from each other) and which is placed into a closed state (FIG. 1) at the factory whereby the free ends 56 A and 56 B are relatively close to each other.
- a frangible link 60 is also formed at the joined side 62 of the leaf spring 58 , at the factory.
- the free ends 56 A/ 56 B are positioned in their respective sleeves 54 A/ 54 B, resulting in the joined side 62 of the leaf spring 58 being exposed, or otherwise protruding away from the blood collecting portion 30 .
- the frangible link 60 breaks, thereby allowing the leak spring 58 to immediately open so that the free ends 56 A and 56 B move away from each other rapidly, thereby causing the respective pockets 54 A and 54 B to also move away from each other, resulting in the rapid expansion of the blood collecting portion 30 .
- the interior of the blood collecting portion 30 comprises a micro-biological inactivating agent(s) (MBIA) which kill any micro-organisms, viruses, bacteria or the like to render any blood collected therein (as will be discussed in detail later) non-biohazardous; such agents may include bromine, chlorine, Methylene blue (MB) and its derivatives azure A, B, C and thionine.
- MBIA micro-biological inactivating agent
- this agent, and/or other such agents, in the blood collecting portion 30 can be accomplished in several ways such as coating the interior surface of the blood collecting portion 30 with a coating of the MBIA; or, the material forming the blood collecting portion 30 may itself be formed of an MBIA; or, a tablet of bromine, or chlorine, etc., may be pre-disposed in the blood collecting portion 30 at the factory. In any case, the presence of the MBIA in the blood collecting portion 30 renders the collected blood non-biohazardous, thereby permitting the blood collector 26 to be discarded in a normal fashion.
- the resealable storage portion 28 comprises the same material as the blood collecting portion 30 .
- the safety needle 34 (along with the cap 36 ), the blood conveyor 24 , the housing 38 , the attachment strap 40 (also referred to as the “contents”) are originally stored in this portion 28 at the factory and then the opening 32 is releasably sealed using, for example, a tongue 32 A and groove 32 B (also known as “pressure interlocking releasable rib and groove element closure”).
- a tongue 32 A and groove 32 B also known as “pressure interlocking releasable rib and groove element closure”.
- the original contents are stored back into the resealable storage portion 28 and the releasable seal is closed, e.g., the tongue 32 A is friction fitted into the groove 32 B.
- the resealable storage portion 28 also contains a MBIA(s) therein so that once the blood letting is complete, should any blood still in the blood conveyor 24 , or even in the needle 34 or in the housing 38 leak out, such leaking blood is also rendered non-biohazardous.
- the entire “used” system 20 can be disposed of in a conventional manner.
- the MBIA is disposed inside both the blood collecting portion 30 and the releasable storage portion 28 or, as discussed earlier, or is otherwise present inside both of these portions 28 / 30 .
- a vacuum is applied to the aperture 53 to cause the blood collecting portion 30 to deflate and assume a substantially flat state, as shown in FIG. 1.
- the one way valve 48 is positioned in the aperture 53 , thereby maintaining the vacuum within the blood collecting portion 30 .
- the free ends 56 A/ 56 B of the leaf spring 58 are positioned in their respective pockets 54 A/ 54 B, as shown in FIG. 1.
- the contents e.g., the safety needle 34 (along with the cap 36 ), the blood conveyor 24 , the housing 38 , the attachment strap 40 ) are placed inside the resealable storage portion 28 and the opening 32 is closed using the releasable seal (e.g., the tongue 32 A/groove 32 B).
- the releasable seal e.g., the tongue 32 A/groove 32 B.
- the patient or technician Upon receipt of the system 20 , the patient or technician opens the releasable seal and removes the contents through the opening 32 .
- the blood collector 26 may be placed on the ground, or some other lower level with respect to the patient, to have gravity assist in the withdrawal of blood; however, it should be understood that this placement is not required.
- the patient or technician (hereinafter, “the patient”) then operates the intubation portion 22 as follows: If the intubation portion 22 includes the manually-operable clamp 44 , the clamp 44 is placed in the closed position (FIG. 1A). The cap 36 is removed and the safety needle 34 is coupled to a blood vessel of the patient, e.g., a vein in the arm 10 of the patient. Once intubation is completed, the patient then wraps the attachment strap 40 properly around the arm 10 to secure the needle 34 in place.
- a blood vessel of the patient e.g., a vein in the arm 10 of the patient.
- the patient then activates the system 20 by applying an abrupt force to the joined side 62 of the leaf spring 58 ; e.g., the patient can step strongly on the joined side 62 using his/her foot 12 .
- This action fractures the frangible link 60 of the leaf spring 58 , which causes the free ends 56 A/ 56 B of the leaf spring 58 to move away from each other suddenly.
- This movement causes the blood collecting portion 30 to expand suddenly, (FIG. 2), thereby creating a suction force to automatically draw a predetermined amount of blood 64 (e.g., approximately 550 cc or a pint) from the patient into the blood collecting portion 30 .
- a predetermined amount of blood 64 e.g., approximately 550 cc or a pint
- the patient needs to open the clamp 44 (FIG. 2A, if the clamp 44 is present) at which time the blood in the blood vessel is exposed to the suction force from expanding blood collecting portion 30 which draws out the blood.
- the one-way valve 48 permits only the flow of blood from the blood conveyor 24 into the blood collecting portion 30 . There is no flow permitted from the blood collecting portion 30 into the blood conveyor 24 , thereby preventing any possibility of air or other gas making its way toward the blood vessel. Furthermore, the protruding or exposed joined side 62 of the leaf spring 58 permits the abrupt force to be applied to the expandor (e.g., leaf spring 58 ) only, rather than to the blood collecting portion 30 which could rupture if the abrupt force were applied thereto.
- the expandor e.g., leaf spring 58
- the system 20 Given the characteristics of the expandor 58 and the material of the blood receiving portion 30 , the system 20 generates the appropriate suction force for automatically drawing out the predetermined amount of blood (e.g., approximately 550 cc or a pint). Once the suction force is diminished and the predetermined amount of blood 64 is collected, the patient closes the clamp 44 (FIG. 1) and then disengages the intubation portion 22 by loosening the attachment strap 40 , removing the needle 34 and restoring the cap 36 onto the needle which renders the needle 34 unusable. Next, the intubation portion 22 and the blood conveyor 24 are placed into the resealable storage portion 28 and the opening 32 is closed using the releasable seal, as shown in FIG. 3. The entire system 20 is now ready for safe disposal since all of the blood present in the blood collector 26 is rendered non-biohazardous due to the presence of the MBIA inside the blood collecting portion 30 and in the resealable storage portion 28 .
- the predetermined amount of blood e.g
Abstract
Description
- The invention pertains to methods and apparatus for reducing blood viscosity of living beings, and more particularly, to methods and apparatus for the automatic and safe removal of blood from a living being.
- The concept of removal of blood from a living being, also known as blood letting, has been known for centuries.
- However, the particular physiological benefits of removing blood from a living being, and thereby allowing new blood to be created, has not been appreciated in the medical community. For example, a healthy menstruating female removes “old blood” from her body on a monthly basis that is replenished with “fresh blood.” A male, on the other hand, does not experience such a cycle and his circulatory system re-circulates “old blood.”
- Therefore, there remains a need to provide an individual with the ability to safely and automatically blood let while providing a safe and non-biohazardous way of disposing of the removed blood.
- An apparatus for permitting automatic, self-blood letting of a living being of a predetermined amount of blood (e.g., approximately 1 pint) and which renders the removed blood non-biohazardous (e.g., using an internal micro-biological inactivating agent) for safe disposal.
- A method of permitting automatic, self-blood letting of a living being of a predetermined amount of blood while rendering the removed blood non-biohazardous for safe disposal. The method comprises: (a) providing a blood collector that normally has an expanded state and which contains a micro-biological inactivating agent (e.g., bromine, chlorine, Methylene blue (MB) and its derivatives azure A, B, C and thionine); (b) evacuating the blood collector of atmospheric pressure to form a compressed state of the blood collector; (c) coupling a releasable biasing member to the blood collector to maintain the blood collector in the compressed state until a desired time; (d) coupling the blood vessel of the living being to the blood collector; (e) activating the releasable biasing member to cause the blood collector to rapidly expand to draw the predetermined amount of blood into the blood collector; (f) de-coupling the blood collector from the blood vessel; and (g) discarding the blood collector.
- FIG. 1 is a diagrammatic view of the blood letting system of the present invention coupled to a blood vessel of a human being at one end and including a blood collecting portion at another end before blood letting has begun;
- FIG. 1A is an enlarged view of the portion indicated in FIG. 1;
- FIG. 2 is a cross-sectional view of a blood collector of the blood letting system of the present invention during blood letting showing the automatic removal of the blood from the human being to the blood collecting portion;
- FIG. 2A is an enlarged view of the portion indicated in FIG. 2; and
- FIG. 3 is a cross-sectional view of the blood letting system of the present invention that is ready for safe disposal.
- Referring now in detail to the various figures of the drawing wherein like reference characters refer to like parts, there is shown at20 a non-biohazard blood letting system, hereinafter “the
system 20.” Thesystem 20 is a self-contained system that allows a patient, or a technician to assist a patient, to blood let safely and automatically. Thesystem 20 basically comprises anintubation portion 22, ablood conveyor 24 and ablood collector 26. - The
intubation portion 22 basically comprises asafety needle 34 having a safety cap 36 (FIG. 3). Thesafety needle 34 is coupled in fluid communication with theblood conveyor 24 via ahousing 38. Thehousing 38 is affixed to anattachment strap 40 that aids in holding thesafety needle 34 in place once inserted into a blood vessel. The strap may include a hook/pile 42 (e.g., the fastener sold under the mark VELCRO®) configuration for permitting thestrap 40 to be releasably secured to the limb of the living being. Thehousing 38 may also comprise, although not required, a manually-operable clamp 44 that the patient can use to control the flow of blood, as will be discussed later. - The blood conveyor24 (e.g., a catheter, a pliable tube or any equivalent structure that can convey a fluid therein and that is pliable so that it can be stowed inside a bag or other similar structure) is coupled at a first end 46 (FIG. 1A) to the
safety needle 34 and to a one-way valve 48 adjacent its other end 50 (FIG. 2). - The
blood collector 26 comprises two compartments: ablood collecting portion 30 and aresealable storage portion 28. These two compartments are isolated from each other via aninner wall 52 having anaperture 53 in which is disposed the one-way valve 48. Theblood collecting portion 30 is formed by a durable material (e.g., plastic) having a memory that tends to maintain theblood collecting portion 30 in an expanded state (FIG. 2). An example of such a material is used in nose cleaners for infants, or other pliable bulbs used in medicine for creating a suction force (e.g., pipette pump, Cole-Parmer EW-24805-10 Pipette Filler). - On the exterior of the
blood collecting portion 30 are a pair of moldedpockets blood collecting portion 30. These moldedpockets 54A/54B form sleeves into which thefree ends leaf spring 58, are captured. In particular, theleaf spring 58 may comprise a bent piece of spring steel having a memory or bias (which tends to move thefree ends 56A/56B away from each other) and which is placed into a closed state (FIG. 1) at the factory whereby thefree ends leaf spring 58 in the closed state, afrangible link 60 is also formed at the joinedside 62 of theleaf spring 58, at the factory. With theleaf spring 58 in the closed state, thefree ends 56A/56B are positioned in theirrespective sleeves 54A/54B, resulting in thejoined side 62 of theleaf spring 58 being exposed, or otherwise protruding away from theblood collecting portion 30. As will be discussed in detail later, when an abrupt force is applied to the joinedside 62, thefrangible link 60 breaks, thereby allowing theleak spring 58 to immediately open so that thefree ends respective pockets blood collecting portion 30. - In addition, the interior of the
blood collecting portion 30 comprises a micro-biological inactivating agent(s) (MBIA) which kill any micro-organisms, viruses, bacteria or the like to render any blood collected therein (as will be discussed in detail later) non-biohazardous; such agents may include bromine, chlorine, Methylene blue (MB) and its derivatives azure A, B, C and thionine. The inclusion of this agent, and/or other such agents, in theblood collecting portion 30 can be accomplished in several ways such as coating the interior surface of theblood collecting portion 30 with a coating of the MBIA; or, the material forming theblood collecting portion 30 may itself be formed of an MBIA; or, a tablet of bromine, or chlorine, etc., may be pre-disposed in theblood collecting portion 30 at the factory. In any case, the presence of the MBIA in theblood collecting portion 30 renders the collected blood non-biohazardous, thereby permitting theblood collector 26 to be discarded in a normal fashion. - The
resealable storage portion 28 comprises the same material as theblood collecting portion 30. The safety needle 34 (along with the cap 36), theblood conveyor 24, thehousing 38, the attachment strap 40 (also referred to as the “contents”) are originally stored in thisportion 28 at the factory and then theopening 32 is releasably sealed using, for example, atongue 32A andgroove 32B (also known as “pressure interlocking releasable rib and groove element closure”). When the patient or technician is ready to use thesystem 20, the releasable seal is opened, e.g., thetongue 32A is removed from thegroove 32B and the contents are pulled out. When the blood letting is completed, the original contents are stored back into theresealable storage portion 28 and the releasable seal is closed, e.g., thetongue 32A is friction fitted into thegroove 32B. Theresealable storage portion 28 also contains a MBIA(s) therein so that once the blood letting is complete, should any blood still in theblood conveyor 24, or even in theneedle 34 or in thehousing 38 leak out, such leaking blood is also rendered non-biohazardous. Like theblood collecting portion 30, there are many ways to include the MBIA in thereleasable storage portion 28. Once the blood letting is completed, the entire “used”system 20 can be disposed of in a conventional manner. - At the factory, the MBIA is disposed inside both the
blood collecting portion 30 and thereleasable storage portion 28 or, as discussed earlier, or is otherwise present inside both of theseportions 28/30. Next, a vacuum is applied to theaperture 53 to cause theblood collecting portion 30 to deflate and assume a substantially flat state, as shown in FIG. 1. Then, the oneway valve 48 is positioned in theaperture 53, thereby maintaining the vacuum within theblood collecting portion 30. Next, while in the closed state, thefree ends 56A/56B of theleaf spring 58 are positioned in theirrespective pockets 54A/54B, as shown in FIG. 1. Finally, the contents (e.g., the safety needle 34 (along with the cap 36), theblood conveyor 24, thehousing 38, the attachment strap 40) are placed inside theresealable storage portion 28 and theopening 32 is closed using the releasable seal (e.g., thetongue 32A/groove 32B). Thus, except for any packaging, thesystem 20 is ready for shipment to end users. - Upon receipt of the
system 20, the patient or technician opens the releasable seal and removes the contents through theopening 32. Theblood collector 26 may be placed on the ground, or some other lower level with respect to the patient, to have gravity assist in the withdrawal of blood; however, it should be understood that this placement is not required. The patient or technician (hereinafter, “the patient”) then operates theintubation portion 22 as follows: If theintubation portion 22 includes the manually-operable clamp 44, theclamp 44 is placed in the closed position (FIG. 1A). Thecap 36 is removed and thesafety needle 34 is coupled to a blood vessel of the patient, e.g., a vein in thearm 10 of the patient. Once intubation is completed, the patient then wraps theattachment strap 40 properly around thearm 10 to secure theneedle 34 in place. - The patient then activates the
system 20 by applying an abrupt force to the joinedside 62 of theleaf spring 58; e.g., the patient can step strongly on the joinedside 62 using his/herfoot 12. This action fractures thefrangible link 60 of theleaf spring 58, which causes thefree ends 56A/56B of theleaf spring 58 to move away from each other suddenly. This movement causes theblood collecting portion 30 to expand suddenly, (FIG. 2), thereby creating a suction force to automatically draw a predetermined amount of blood 64 (e.g., approximately 550 cc or a pint) from the patient into theblood collecting portion 30. Before the actual drawing begins, the patient needs to open the clamp 44 (FIG. 2A, if theclamp 44 is present) at which time the blood in the blood vessel is exposed to the suction force from expandingblood collecting portion 30 which draws out the blood. - The one-
way valve 48 permits only the flow of blood from theblood conveyor 24 into theblood collecting portion 30. There is no flow permitted from theblood collecting portion 30 into theblood conveyor 24, thereby preventing any possibility of air or other gas making its way toward the blood vessel. Furthermore, the protruding or exposed joinedside 62 of theleaf spring 58 permits the abrupt force to be applied to the expandor (e.g., leaf spring 58) only, rather than to theblood collecting portion 30 which could rupture if the abrupt force were applied thereto. - It should be further noted, where the manually-
operable clamp 44 is not present in thesystem 20, the activation of thesystem 20 would begin as soon as the abrupt force is applied to the joinedside 62 of theleaf spring 58. - Given the characteristics of the
expandor 58 and the material of theblood receiving portion 30, thesystem 20 generates the appropriate suction force for automatically drawing out the predetermined amount of blood (e.g., approximately 550 cc or a pint). Once the suction force is diminished and the predetermined amount ofblood 64 is collected, the patient closes the clamp 44 (FIG. 1) and then disengages theintubation portion 22 by loosening theattachment strap 40, removing theneedle 34 and restoring thecap 36 onto the needle which renders theneedle 34 unusable. Next, theintubation portion 22 and theblood conveyor 24 are placed into theresealable storage portion 28 and theopening 32 is closed using the releasable seal, as shown in FIG. 3. Theentire system 20 is now ready for safe disposal since all of the blood present in theblood collector 26 is rendered non-biohazardous due to the presence of the MBIA inside theblood collecting portion 30 and in theresealable storage portion 28. - Without further elaboration, the foregoing will so fully illustrate my invention that others may, by applying current or future knowledge, readily adopt the same for use under various conditions of service.
Claims (30)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/873,520 US6497669B1 (en) | 2001-06-04 | 2001-06-04 | Non-biohazard blood letting system |
PCT/US2002/017472 WO2002098487A1 (en) | 2001-06-04 | 2002-06-03 | Non-biohazard blood letting system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/873,520 US6497669B1 (en) | 2001-06-04 | 2001-06-04 | Non-biohazard blood letting system |
Publications (2)
Publication Number | Publication Date |
---|---|
US20020183652A1 true US20020183652A1 (en) | 2002-12-05 |
US6497669B1 US6497669B1 (en) | 2002-12-24 |
Family
ID=25361800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/873,520 Expired - Fee Related US6497669B1 (en) | 2001-06-04 | 2001-06-04 | Non-biohazard blood letting system |
Country Status (2)
Country | Link |
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US (1) | US6497669B1 (en) |
WO (1) | WO2002098487A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030114797A1 (en) * | 2001-12-17 | 2003-06-19 | Vaillancourt Vincent L. | Safety needle with collapsible sheath |
US20080262434A1 (en) * | 2007-04-20 | 2008-10-23 | Vaillancourt Michael J | Huber needle with safety sheath |
WO2009114775A1 (en) * | 2008-03-13 | 2009-09-17 | Kci Licensing, Inc. | System and method for reduced pressure charging |
US20100152677A1 (en) * | 2008-12-11 | 2010-06-17 | Vaillancourt Michael J | Device for removing a huber needle from a patient |
US20110202031A1 (en) * | 2010-02-16 | 2011-08-18 | Nextteq, Llc | Containers for Fluids with Composite Agile Walls |
US8574197B2 (en) | 2004-02-26 | 2013-11-05 | C. R. Bard, Inc. | Huber needle safety enclosure |
US9248234B2 (en) | 2010-09-10 | 2016-02-02 | C. R. Bard, Inc. | Systems for isolation of a needle-based infusion set |
US10525234B2 (en) | 2010-09-10 | 2020-01-07 | C. R. Bard, Inc. | Antimicrobial/haemostatic interface pad for placement between percutaneously placed medical device and patient skin |
US10729846B2 (en) | 2010-09-10 | 2020-08-04 | C. R. Bard, Inc. | Self-sealing pad for a needle-based infusion set |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005067863A1 (en) * | 2004-01-16 | 2005-07-28 | Terumo Kabushiki Kaisha | Packing material and medical instrument set package |
US20070116699A1 (en) * | 2005-06-24 | 2007-05-24 | N-Zymeceuticals, Inc. | Nattokinase for reducing whole blood viscosity |
US8539912B2 (en) * | 2009-11-14 | 2013-09-24 | Garrouzoo, Inc. | E-tube collar |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3654924A (en) * | 1970-05-14 | 1972-04-11 | Abbott Lab | Blood collection assembly |
US3933439A (en) * | 1974-04-29 | 1976-01-20 | Mcdonald Bernard | Blood collection device |
DE8433853U1 (en) * | 1984-11-17 | 1988-09-22 | Celik, Geb. Wehr, Ursula, 5000 Koeln, De | |
US4981474A (en) * | 1988-02-16 | 1991-01-01 | Baxter Travenol Laboratories, Inc. | Body fluid drainage device |
US5149318A (en) * | 1990-03-14 | 1992-09-22 | Minnesota Mining And Manufacturing Company | Quick-changeover blood handling apparatus |
US5307819A (en) * | 1992-08-13 | 1994-05-03 | Marlane M. Trautmann | Method and apparatus for containing anatomical material produced by a patient |
DE9318692U1 (en) * | 1993-12-07 | 1994-02-10 | Npbi Bv | Blood bag system for virus inactivation of a single blood donation |
US5445629A (en) * | 1993-12-21 | 1995-08-29 | Baxter International Inc. | Blood storage container and methods of using same |
US5722944A (en) * | 1994-02-14 | 1998-03-03 | Fresenius Usa, Inc. | Method of peritoneal dialysis |
US5945004A (en) * | 1996-02-01 | 1999-08-31 | Daiken Iki Co., Ltd. | Method and apparatus for treating waste liquids containing body fluids |
US6258066B1 (en) * | 1999-03-08 | 2001-07-10 | Rex W. Urich | Intravenous catheter stabilizing device |
-
2001
- 2001-06-04 US US09/873,520 patent/US6497669B1/en not_active Expired - Fee Related
-
2002
- 2002-06-03 WO PCT/US2002/017472 patent/WO2002098487A1/en not_active Application Discontinuation
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US8728029B2 (en) | 2001-12-17 | 2014-05-20 | Bard Access Systems, Inc. | Safety needle with collapsible sheath |
US20030114797A1 (en) * | 2001-12-17 | 2003-06-19 | Vaillancourt Vincent L. | Safety needle with collapsible sheath |
US8574197B2 (en) | 2004-02-26 | 2013-11-05 | C. R. Bard, Inc. | Huber needle safety enclosure |
US8852154B2 (en) | 2004-02-26 | 2014-10-07 | C. R. Bard, Inc. | Huber needle safety enclosure |
US9713673B2 (en) | 2007-04-20 | 2017-07-25 | Bard Access Systems, Inc. | Huber needle with safety sheath |
US8597253B2 (en) | 2007-04-20 | 2013-12-03 | Bard Access Systems | Huber needle with safety sheath |
US20080262434A1 (en) * | 2007-04-20 | 2008-10-23 | Vaillancourt Michael J | Huber needle with safety sheath |
US9827403B2 (en) | 2008-03-13 | 2017-11-28 | Kci Licensing, Inc. | System and method for reduced pressure charging |
US8366644B2 (en) | 2008-03-13 | 2013-02-05 | Kci Licensing, Inc. | System and method for reduced pressure charging |
WO2009114775A1 (en) * | 2008-03-13 | 2009-09-17 | Kci Licensing, Inc. | System and method for reduced pressure charging |
EP2468322A1 (en) * | 2008-03-13 | 2012-06-27 | KCI Licensing, Inc. | System for reduced pressure treatment |
US20100152677A1 (en) * | 2008-12-11 | 2010-06-17 | Vaillancourt Michael J | Device for removing a huber needle from a patient |
US9662441B2 (en) | 2008-12-11 | 2017-05-30 | Bard Access Systems, Inc. | Device for removing a huber needle from a patient |
US8231582B2 (en) | 2008-12-11 | 2012-07-31 | Bard Access Systems, Inc. | Device for removing a Huber needle from a patient |
US8535273B2 (en) | 2008-12-11 | 2013-09-17 | Bard Access Systems, Inc. | Device for removing a huber needle from a patient |
EP2536639A1 (en) * | 2010-02-16 | 2012-12-26 | Nextteq, LLC | Containers for fluids with composite agile walls |
WO2011103170A1 (en) | 2010-02-16 | 2011-08-25 | Nextteq, Llc | Containers for fluids with composite agile walls |
US20110202031A1 (en) * | 2010-02-16 | 2011-08-18 | Nextteq, Llc | Containers for Fluids with Composite Agile Walls |
EP2536639A4 (en) * | 2010-02-16 | 2014-08-13 | Nextteq Llc | Containers for fluids with composite agile walls |
US9846108B2 (en) | 2010-02-16 | 2017-12-19 | Nextteq Llc | Containers for fluids with composite agile walls |
US9248234B2 (en) | 2010-09-10 | 2016-02-02 | C. R. Bard, Inc. | Systems for isolation of a needle-based infusion set |
US10143799B2 (en) | 2010-09-10 | 2018-12-04 | C. R. Bard, Inc. | Systems for isolation of a needle-based infusion set |
US10525234B2 (en) | 2010-09-10 | 2020-01-07 | C. R. Bard, Inc. | Antimicrobial/haemostatic interface pad for placement between percutaneously placed medical device and patient skin |
US10729846B2 (en) | 2010-09-10 | 2020-08-04 | C. R. Bard, Inc. | Self-sealing pad for a needle-based infusion set |
US10806900B2 (en) | 2010-09-10 | 2020-10-20 | C. R. Bard. Inc. | Insertion device with interface pad and methods of making |
Also Published As
Publication number | Publication date |
---|---|
US6497669B1 (en) | 2002-12-24 |
WO2002098487A1 (en) | 2002-12-12 |
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Effective date: 20061224 |