US20090299217A1 - Sampling Apparatus for Taking a Number of Samples - Google Patents
Sampling Apparatus for Taking a Number of Samples Download PDFInfo
- Publication number
- US20090299217A1 US20090299217A1 US12/087,600 US8760007A US2009299217A1 US 20090299217 A1 US20090299217 A1 US 20090299217A1 US 8760007 A US8760007 A US 8760007A US 2009299217 A1 US2009299217 A1 US 2009299217A1
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- United States
- Prior art keywords
- receptacle
- tool
- cable
- telescope
- samples
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/04—Endoscopic instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/06—Biopsy forceps, e.g. with cup-shaped jaws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0096—Casings for storing test samples
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B2010/0225—Instruments for taking cell samples or for biopsy for taking multiple samples
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2931—Details of heads or jaws with releasable head
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/40—Apparatus fixed or close to patients specially adapted for providing an aseptic surgical environment
Definitions
- the invention relates to an apparatus for taking tissue samples and the like in the context of use of a kind of telescope for examination or treatment in the treatment of humans or animals.
- an examination and/or treatment telescope is that it is necessary to surgically open the patient only so much that there is space for introducing the examination and/or treatment telescope into the opening thus provided. It is also possible to use one of the natural orifices of the body for introducing the apparatus, eg in the context of an endoscopy, in particular when examining digestive tracts, optionally through the oesophagus, or when examining the digestive tracts through the rectum.
- the so-called biopsy forceps are known that are a relatively thin and long, pliable device consisting primarily of an outer cable that extends throughout the expanse of the forceps, in which outer cable an internal manoeuvring cable can be conveyed that connects an operating handle at the outer end of the biopsy forceps to a set of jaws at that end of the forceps that is taken through the telescope.
- an operating handle at the outer end of the biopsy forceps to a set of jaws at that end of the forceps that is taken through the telescope.
- the jaws By influencing the operating handle the jaws are moved in such a way that it is possible to cut off a sample of tissue and pull the tissue out along with the biopsy forceps.
- such biopsy forceps have a length of between 1.5 m and 2 m.
- biopsy forceps When biopsy forceps are introduced into the telescope, it is necessary, in the known appliance, to introduce them a small distance at a time, often about 5 cm. This means that the doctor carrying out the examination with his one hand must introduce the biopsy forceps 5 cm at a time and after having taken a tissue sample, he must carefully remove the biopsy forceps from the telescope again, still using his one hand while the other one keeps the jaws of the forceps closed around the tissue sample or the biopsy via the operating handle. This is a time-consuming process which is often a discomfort to the patient being examined/treated, not all examinations/treatments taking place under sedation. It is not uncommon for biopsy forceps to be moved about 1.4 m into the patient and out again, ie two times 1.4 m, during one single sampling.
- a telescope Apart from passages for sucking and flushing and a mini-camera for diagnostics and navigation, a telescope also features a passage for introducing the biopsy forceps. This passage is about 2.8 mm in diameter and the diameter of the existing biopsy forceps are typically 2.4 mm which provides a clearance when the biopsy forceps are introduced into the telescope.
- this object is accomplished in that the apparatus for taking out tissue samples and the like is provided with a receptacle for accommodating tissue samples and the like.
- Such tools can be eg tools for positioning clamps, loops or the like and various examination tools or utensils therefore. It is a common feature that they can be exchanged and that they can be operated via the manoeuvring cable.
- the tool can be taken from a passive transport position through the cover cap or shield to an active position from where the samples can be taken and collected.
- a safety measure is further provided to the effect that the collected sample(s) stay(s) in the receptacle even if the receptacle is opened when new samples are taken.
- the samples can be collected in a comparatively rigid receptacle that can either be dismounted while containing the samples or emptied, cleaned and reused.
- the lid is also perforated to allow passage of liquid or the like, but not passage of the collected samples.
- the capsule can be manoeuvred or directed through the patient by means of magnetic fields, remote control or the like wireless transmission. It is also conceivable that the transmission of control signals takes place through a cable which is withdrawn with great care from the patient along with the capsule, or, following ended use, the cable may be disconnected from the capsule and be pulled carefully out of the patient, following which the capsule proceeds out of the patient along the natural route.
- FIG. 1 shows an examination or treatment telescope, seen in a perspective view from the end which is introduced into the patient;
- FIG. 2 shows a detailed view of a tool for the telescope shown in FIG. 1 , indicated in area II;
- FIG. 3 shows a tool mounted on a biopsy cable and with open lid
- FIG. 4 shows a tool mounted on a biopsy cable and with closed lid
- FIG. 5 shows the telescope, seen from the end, with no tools arranged in a kind of ‘garage’
- FIG. 6 shows the telescope in section VI-VI indicated in FIG. 5 and with a tool arranged in the ‘garage’;
- FIG. 7 shows an embodiment of a tool for collecting and temporarily accommodating tissue samples
- FIG. 8 shows a detailed embodiment of the tool for collecting and temporarily accommodating tissue samples indicated by VIII in FIG. 7 ;
- FIG. 9 shows an embodiment of a tool with dish-shaped cutting parts
- FIG. 10 shows the embodiment shown in FIG. 9 , seen along section X-X;
- FIG. 11 shows a further embodiment of a tool with dish-shaped cutting parts
- FIG. 12 shows the embodiment of FIG. 11 , seen along section XII-XII.
- FIG. 13 shows another embodiment of a tool with dish-shaped cutting parts, the tool connected to the cable
- FIG. 14-17 shows the embodiment of FIG. 13 , the cable being connected to the tool and operating the tool, the tool with a securing nut shown in part sectional view,
- FIG. 18 shows the tool with a further embodiment of the receptacle
- FIG. 19 shows the embodiment of the receptacle of FIG. 18 , formed as a cylinder with a plurality of receptacle openings
- FIG. 20 shows a way to advance the receptacle
- FIG. 21 shows a top view of the receptacle placed in the tool with the advancing mechanism
- FIGS. 22 and 23 shows the tool with the receptacle of FIG. 18 taking a sample and placing it in one of the openings in the receptacle.
- the apparatus which is primarily used for taking tissue samples and the like in the context of use of a kind of telescope 1 for examination or treatment in the treatment of humans or animals, comprises a kind of manoeuvring unit 2 in the form of a cable or the like, which cable 2 comprises at least one inner part 21 and at least one outer part that can be moved relative to each other to the effect that a kind of tool 3 arranged at that end of the cable 2 which is, via the telescope 1 , conveyed into a patient can be operated by influencing one or more operating handles arranged at that end of the cable 2 which is arranged at the end of the telescope 1 from where it is operated.
- this type of telescope 1 In addition to a passage 4 for the operating cable 2 or the sampling cable, constituting in combination with the tool 3 a biopsy cable or biopsy forceps 6 , this type of telescope 1 often comprises one or more passages 7 intended for sucking or flushing liquid or the like. At the end of the telescope 1 , more specifically the end which is intended for being introduced into the patient, a camera 5 is arranged, whereby it is possible to see how the telescope 1 is to be moved during the introduction procedure and how the biopsy forceps 6 are to be moved to take the intended sample in the right place.
- coupling means are provided, which coupling means may be of ordinary type.
- the most important aspect is, in this context, that a tool 3 can be arranged at the end of the cable 2 in such a manner that it is easy to exchange if, in some situation or other, there is a need for attaching another type of tool 3 to the cable 2 , and that the tool 3 can be secured in the cable in a reliable manner without falling off in use.
- the tool 3 comprises a receptacle 8 and a lid 9 , which lid 9 is activated by means of control via the cable 2 or by other means to open or close to the effect that a sample can be collected, arranged in the receptacle 8 , following which a new sample can be collected and arranged in the receptacle 8 .
- This sequence can be repeated as often as needed for the sake of number of samples for as long as there is still space available to the samples in the receptacle 8 . It is important that, during withdrawal of the telescope 1 from the patient, the samples remain in the receptacle 8 .
- the receptacle is dimensioned to be able to accommodate as many as 20 samples, preferably about 10.
- the receptacle 8 can be constituted of a kind of framework (not shown) which is able to stretch and secure a foil, which foil can in turn be released from the framework again following ended sampling. Thereby it is accomplished that the samples just taken and arranged in the foil and with the telescope withdrawn from the patient can be exchanged along with the foil in a suitable liquid, such as formalin or the like, until the sample is analysed.
- the receptacle and/or tool can be sent as a unit for analysis and reused, or receptacle and/or tool can be disposable.
- receptacle 8 and lid 9 are configured with walls 10 of a comparatively rigid material.
- openings 11 are configured, said openings 11 being of such size that a liquid is able to flow in and out through the openings 11 , whereas a sample accommodated in the receptacle 8 cannot pass through such opening 11 .
- receptacle 8 and lid 9 can be configured as frames with a mesh secured thereto for providing the above through-flow and retention.
- a lid 9 and a receptacle 8 can be configured by combinations of said embodiments.
- lid 9 and receptacle 8 they can be configured as an elongate cylinder 8 , in which cylinder 8 a kind of cutter 12 can be taken along the inside of the cylinder 8 in a longitudinally extending direction or in a direction extending along the inner periphery, to the effect that the cutter 12 can be caused to cover an opening 13 provided in the sidewall of the cylinder 8 .
- the cutter 12 also serves as a lid 12 meaning that the sample is unable to fall out of the receptacle again.
- This embodiment which is also an exchangeable tool may, like the embodiments mentioned above, be provided with perforations to the effect that liquid is able to pass through lid and/or receptacle, whereas the samples are unable to pass.
- the cylinder 8 can optionally be configured to be so elongate that it can be caused to have such small diameter that it is possible for such cylinder 8 to pass through a passage 3 in the telescope 1 along with the biopsy forceps 6 and be secured at the end of the cable 2 .
- the cutter or cutting part can be constituted of two essentially dish-shaped cutting parts 17 , both of which are shaped like a part of a spherical shell and hinged 18 mutually close to the periphery that appears when the cutting parts 17 are in their closed position.
- the cutting parts 17 do not increase their mutual outer diameter, when the cutting parts 17 are opened and closed.
- the cutting parts 17 are able to close with cutting edge towards cutting edge or the cutting parts 17 may close overlapping.
- a reaction lever 19 connected to each cutting part 17 , said lever 19 being able to pass into a groove 20 formed in the rear of the cutting part 17 , it is accomplished that, by pull in the inner cable 21 , a force is applied to the cutting parts 17 in the closing direction of the cutting parts 17 .
- the levers are connected to the inner cable 21 by means of a kind of yoke 22 that endeavour to ensure that forces are transferred equally between the cutting parts 17 when they are used to take a sample.
- a kind of mesh or grid 23 is provided to ensure that the samples remain in the receptacle 8 , if the manoeuvring cable 2 is provided with suction and/or flush.
- the cylinder face of the receptacle as such can also be provided with perforations to allow liquid to pass without the samples being able to pass.
- the telescope 1 can be provided with a kind of cover cap (not shown), said cap being used to prevent the tool 3 from possibly perforating a wall of an intestine or the like.
- the cap which is arranged on the inlet end of the telescope 1 , is preferably transparent, but a kind of window may also be provided in the cap, through which the camera 5 is able to take pictures.
- the camera 5 can be secured in the cap, or it is possible to arrange means between the window in the cap and the camera for transferring the object to the camera 5 .
- an opening or a flexible slot is provided such that, when the tool is to be brought from a passive position to an active position, it is able to pass through the cap and, following ended use, return to the passive position underneath the protective or covering cap.
- a collection receptacle for accommodating the collected samples to the effect that it is possible, by using ordinary biopsy forceps, to collect a sample, pour the sample into the receptacle, collect another sample, pour it into the receptacle and so on, until an acceptable number of samples have been collected. Then telescope 1 with samples is withdrawn from the patient.
- the bore 14 can be used to advantage in that the tool 3 is mounted on the cable 2 following conveyance of the cable 2 through the cable passage 4 . Then the cable 2 is withdrawn so far back that the tool 3 is completely or partially encircled by the bore 14 .
- means 15 are provided for cutting off, clipping off or the like to separate a tissue sample from the patient's tissue.
- These means 15 may be in the form of a cutter, scissors or the like and may be arranged on the edge of the receptacle 6 , on the edge of the lid 9 or as a combination thereof.
- a cutting edge 15 can also be moved in a guide configured in the immediate vicinity of the opening of the receptacle 8 .
- the receptacle 8 may be provided with an edge 16 at least along a portion of the opening of the receptacle 8 , said edge 16 extending towards the centre of the receptacle opening. It is the purpose of that edge 16 to withhold the collected samples in the receptacle 8 so as to ensure that they do not unintentionally fall out the receptacle, when the lid is open eg during collection of a further sample.
- the edge 16 can be configured such that, in addition to extending towards the centre of the receptacle opening, it also extends at an angle towards the receptacle bottom to ensure improved retention of collected samples.
- a connecting lever 23 is provided with a hole 24 which is closed in the one end.
- a first slot or aperture 25 is provided at the side of the open end of the hole 24 and at a distance from the open end of the hole 24 a second slot or aperture extends from the first slot and in a plane perpendicular to the center axis of the hole.
- the tool 3 and cable 2 can be provided with mutual engaging treading parts, a bayonet coupling or, the like.
- the embodiments shown in FIGS. 13 to 18 , 22 and 23 have mutual engaging treading parts.
- the tool are in this embodiment provided with two essentially dish-shaped cutting parts 17 connected to each other by a hinge 18 .
- Each cutting part being connected to the connecting lever 23 by connecting links 27 .
- the two essential dish-shaped cutting parts are replaced by a tonglike arm 28 and a receptacle arm 29 comprising a cylinder 30 with a plurality of openings 31 , the tonglike arm 28 and the receptacle arm 29 being hinged to each other.
- a sample is taken and placed i the receptacle 30 .
- the receptacle is formed like a drum for a revolver, forming a plurality of chambers suitable to contain a sample in each opening. It is obvious, that the number of openings used for collecting samples depends on the needed number of samples.
- an advancing mechanism 32 can be provided to advance the cylinder to the next opening before taking the next sample.
- the advancing of the cylinder 30 can be operated of the operating cable 2 or by another mechanism.
- two discs 33 , 34 can be placed on top and under the receptacle formed as a cylinder with a plurality of openings.
- the disc 33 at the top is arranged with an opening placed in relation to the receptacle in such a way that the opening is situated above one of the receptacle openings.
- the top disc 33 is preferably in a fixed position relative to the tool 3 .
- the hole in the top disc 33 is arranged with a cutting edge along its circumference (not shown).
- the cylinder 30 is held in position after advancing by means for locking the cylinder, such as a latch, a flat spring or the like (not shown).
- the cylinder is advanced or revolved in such a way that the next opening in the cylinder is arranged in relation to the top disc so that the previous sample is held in a closed state and the opening in the cylinder, which opening is ready to receive the next sample is situated aligned with the opening in the top disc leaving the opening available.
- the opening or “garage” suitable for storing the tool during introducing the telescope into the patient can be provided in the centre region of the end of the telescope.
- the opening can be a cylindrical hole or opening or the opening can show the shape of a cross, a T or the like, thereby leaving sufficient of surrounding material to position suction- and/or flushing-channels, camera and the like.
- connection to suction and/or flushing passages 7 either via passages within the telescope 1 or via coupling in at the manoeuvring end of the telescope of the biopsy cable.
- suction and/or flushing passages 7 either via passages within the telescope 1 or via coupling in at the manoeuvring end of the telescope of the biopsy cable.
- the individual tools that can thus be arranged at the end of a biopsy cable may have different dimensions adapted to the task for which the tool is used.
Abstract
The invention relates to an apparatus for taking tissue samples and the like in the context of use of a kind of examination or treatment telescope (1) in the treatment of humans or animals, wherein the apparatus for taking tissue samples and the like is provided with a receptacle (8) for accommodating tissue samples and the like, and wherein, at the end of biopsy forceps (6), coupling means are formed for exchangeable attachment of a tool (3) for use in connection with the biopsy forceps (6). Moreover, at the end of the telescope (1), a kind of cap or rounded shield may be arranged that prevents the tool (3) from being captured in folds or orifices in the intestines of the patient during introduction of the examination or treatment telescope (1) into the patient, or the telescope (1) may be provided with a bore (14) at the end of the telescope (1) for receiving the tool (3).
Description
- The invention relates to an apparatus for taking tissue samples and the like in the context of use of a kind of telescope for examination or treatment in the treatment of humans or animals.
- In recent years it has become increasingly common to perform examinations and/or surgical interventions by using a kind of telescope. The advantage of using an examination and/or treatment telescope is that it is necessary to surgically open the patient only so much that there is space for introducing the examination and/or treatment telescope into the opening thus provided. It is also possible to use one of the natural orifices of the body for introducing the apparatus, eg in the context of an endoscopy, in particular when examining digestive tracts, optionally through the oesophagus, or when examining the digestive tracts through the rectum.
- In the context of taking samples through such examination and/or treatment telescope (in the following designated the telescope) the so-called biopsy forceps are known that are a relatively thin and long, pliable device consisting primarily of an outer cable that extends throughout the expanse of the forceps, in which outer cable an internal manoeuvring cable can be conveyed that connects an operating handle at the outer end of the biopsy forceps to a set of jaws at that end of the forceps that is taken through the telescope. By influencing the operating handle the jaws are moved in such a way that it is possible to cut off a sample of tissue and pull the tissue out along with the biopsy forceps. Often, such biopsy forceps have a length of between 1.5 m and 2 m. When biopsy forceps are introduced into the telescope, it is necessary, in the known appliance, to introduce them a small distance at a time, often about 5 cm. This means that the doctor carrying out the examination with his one hand must introduce the
biopsy forceps 5 cm at a time and after having taken a tissue sample, he must carefully remove the biopsy forceps from the telescope again, still using his one hand while the other one keeps the jaws of the forceps closed around the tissue sample or the biopsy via the operating handle. This is a time-consuming process which is often a discomfort to the patient being examined/treated, not all examinations/treatments taking place under sedation. It is not uncommon for biopsy forceps to be moved about 1.4 m into the patient and out again, ie two times 1.4 m, during one single sampling. - In some examinations it is necessary to collect as many as ten samples for subsequent analyses. It is therefore very inconvenient to have to take biopsy forceps through the telescope ten times, which entails that the forceps are moved two times 14 m inside the patient.
- It is therefore the object of the invention to provide an apparatus for sampling by which it is possible to take as many as about ten samples without having to insert and withdraw the forceps through the telescope and the patient for each sample that is taken. This also considerably reduces the possible risk of perforations to the intestine.
- Apart from passages for sucking and flushing and a mini-camera for diagnostics and navigation, a telescope also features a passage for introducing the biopsy forceps. This passage is about 2.8 mm in diameter and the diameter of the existing biopsy forceps are typically 2.4 mm which provides a clearance when the biopsy forceps are introduced into the telescope.
- Therefore, it is obvious that it is not possible to increase the diameter of the biopsy forceps too much, as it would render introduction into the telescope more cumbersome which further entails that it will take considerably longer to take the biopsy forceps through the telescope and into the patient.
- According to the invention this object is accomplished in that the apparatus for taking out tissue samples and the like is provided with a receptacle for accommodating tissue samples and the like.
- By
claim 2 it is accomplished that, in connection with the telescope and the biopsy forceps, other kinds of tools can be used for performing other tasks. - Such tools can be eg tools for positioning clamps, loops or the like and various examination tools or utensils therefore. It is a common feature that they can be exchanged and that they can be operated via the manoeuvring cable.
- By
claim 3 it is accomplished that, during its introduction into the patient, the tool is not caught in folds or orifices inside the patient during introduction of the examination or treatment telescope into the patient. If, for instance, an out pouching were to be present on an intestine it would aggravate the situation if the equipment that is to relieve any suffering of the patient was able to penetrate such out pouching and cause a perforation of the intestine with ensuing increased suffering. - By the invention as described in
claim 4 it is accomplished that, in a convenient manner, the tool can be taken from a passive transport position through the cover cap or shield to an active position from where the samples can be taken and collected. - By
claim 5 it is accomplished that a sort of garage is provided in the telescope so as to avoid that the tool protrudes significantly during its insertion into the patient, or does not protrude at all. - By
claim 6 it is accomplished in accordance with the invention that, by virtue of the receptacle in the tool containing an exchangeable foil, where, following ended sampling, the foil encloses the samples, the tests can be withdrawn collectively by the tool and be accommodated collectively in an accommodation receptacle for storage or for being handed over to a laboratory or the like. - By
claims - By claims 8-10 it is accomplished that it is possible to cut off or swipe off a piece of tissue for taking a sample.
- By
claim 11 it is accomplished in accordance with the invention that the samples can be collected in a comparatively rigid receptacle that can either be dismounted while containing the samples or emptied, cleaned and reused. - By
claim 12 it is accomplished that the receptacle can be closed off to the effect that the samples cannot drop out when the entire appliance is withdrawn from the patient again. - By
claim 13 it is accomplished in accordance with the invention that the lid is also perforated to allow passage of liquid or the like, but not passage of the collected samples. - By
claims - By
claim 17 an embodiment is accomplished by which the cutting parts move within a cylindrical receptacle. - By
claims - By
claim 20 it is accomplished that several samples can be taken and stored in individual receptacles forming a single unit. - It is also possible to apply the technique to a capsule endoscopy, where it is intended that the patient swallows a capsule, which capsule passes through the intestines of the patient. During the passage pictures, video, can be recorded and scans performed of the internal organs and the like.
- By providing such capsule with the tool described in the invention, where the tool is activated by manoeuvring means from/within the capsule, further options become available as to the undertaking of sample collections from the intestines of a patient in a convenient manner. Optionally, the capsule can be manoeuvred or directed through the patient by means of magnetic fields, remote control or the like wireless transmission. It is also conceivable that the transmission of control signals takes place through a cable which is withdrawn with great care from the patient along with the capsule, or, following ended use, the cable may be disconnected from the capsule and be pulled carefully out of the patient, following which the capsule proceeds out of the patient along the natural route.
- In the following the invention will be described in further detail with reference to the drawing, wherein
-
FIG. 1 shows an examination or treatment telescope, seen in a perspective view from the end which is introduced into the patient; -
FIG. 2 shows a detailed view of a tool for the telescope shown inFIG. 1 , indicated in area II; -
FIG. 3 shows a tool mounted on a biopsy cable and with open lid; -
FIG. 4 shows a tool mounted on a biopsy cable and with closed lid; -
FIG. 5 shows the telescope, seen from the end, with no tools arranged in a kind of ‘garage’; -
FIG. 6 shows the telescope in section VI-VI indicated inFIG. 5 and with a tool arranged in the ‘garage’; -
FIG. 7 shows an embodiment of a tool for collecting and temporarily accommodating tissue samples; -
FIG. 8 shows a detailed embodiment of the tool for collecting and temporarily accommodating tissue samples indicated by VIII inFIG. 7 ; -
FIG. 9 shows an embodiment of a tool with dish-shaped cutting parts; -
FIG. 10 shows the embodiment shown inFIG. 9 , seen along section X-X; -
FIG. 11 shows a further embodiment of a tool with dish-shaped cutting parts; and -
FIG. 12 shows the embodiment ofFIG. 11 , seen along section XII-XII. -
FIG. 13 shows another embodiment of a tool with dish-shaped cutting parts, the tool connected to the cable, -
FIG. 14-17 shows the embodiment ofFIG. 13 , the cable being connected to the tool and operating the tool, the tool with a securing nut shown in part sectional view, -
FIG. 18 shows the tool with a further embodiment of the receptacle, -
FIG. 19 shows the embodiment of the receptacle ofFIG. 18 , formed as a cylinder with a plurality of receptacle openings, -
FIG. 20 shows a way to advance the receptacle, -
FIG. 21 shows a top view of the receptacle placed in the tool with the advancing mechanism, and -
FIGS. 22 and 23 shows the tool with the receptacle ofFIG. 18 taking a sample and placing it in one of the openings in the receptacle. - Now convenient embodiments of the invention will be described. The apparatus, which is primarily used for taking tissue samples and the like in the context of use of a kind of
telescope 1 for examination or treatment in the treatment of humans or animals, comprises a kind ofmanoeuvring unit 2 in the form of a cable or the like, whichcable 2 comprises at least oneinner part 21 and at least one outer part that can be moved relative to each other to the effect that a kind oftool 3 arranged at that end of thecable 2 which is, via thetelescope 1, conveyed into a patient can be operated by influencing one or more operating handles arranged at that end of thecable 2 which is arranged at the end of thetelescope 1 from where it is operated. In addition to apassage 4 for theoperating cable 2 or the sampling cable, constituting in combination with the tool 3 a biopsy cable orbiopsy forceps 6, this type oftelescope 1 often comprises one ormore passages 7 intended for sucking or flushing liquid or the like. At the end of thetelescope 1, more specifically the end which is intended for being introduced into the patient, acamera 5 is arranged, whereby it is possible to see how thetelescope 1 is to be moved during the introduction procedure and how thebiopsy forceps 6 are to be moved to take the intended sample in the right place. - At the end of the
cable 2, where the sample is to be taken, coupling means (not shown) are provided, which coupling means may be of ordinary type. The most important aspect is, in this context, that atool 3 can be arranged at the end of thecable 2 in such a manner that it is easy to exchange if, in some situation or other, there is a need for attaching another type oftool 3 to thecable 2, and that thetool 3 can be secured in the cable in a reliable manner without falling off in use. - In a preferred embodiment, the
tool 3 comprises areceptacle 8 and alid 9, whichlid 9 is activated by means of control via thecable 2 or by other means to open or close to the effect that a sample can be collected, arranged in thereceptacle 8, following which a new sample can be collected and arranged in thereceptacle 8. This sequence can be repeated as often as needed for the sake of number of samples for as long as there is still space available to the samples in thereceptacle 8. It is important that, during withdrawal of thetelescope 1 from the patient, the samples remain in thereceptacle 8. - Expediently, the receptacle is dimensioned to be able to accommodate as many as 20 samples, preferably about 10.
- The
receptacle 8 can be constituted of a kind of framework (not shown) which is able to stretch and secure a foil, which foil can in turn be released from the framework again following ended sampling. Thereby it is accomplished that the samples just taken and arranged in the foil and with the telescope withdrawn from the patient can be exchanged along with the foil in a suitable liquid, such as formalin or the like, until the sample is analysed. The receptacle and/or tool can be sent as a unit for analysis and reused, or receptacle and/or tool can be disposable. - According to a
further embodiment receptacle 8 andlid 9 are configured withwalls 10 of a comparatively rigid material. In thewalls 10,openings 11 are configured, saidopenings 11 being of such size that a liquid is able to flow in and out through theopenings 11, whereas a sample accommodated in thereceptacle 8 cannot pass throughsuch opening 11. - According to a further embodiment of
receptacle 8 andlid 9, they can be configured as frames with a mesh secured thereto for providing the above through-flow and retention. Finally alid 9 and areceptacle 8 can be configured by combinations of said embodiments. - According to yet an embodiment of
lid 9 andreceptacle 8, they can be configured as anelongate cylinder 8, in which cylinder 8 a kind ofcutter 12 can be taken along the inside of thecylinder 8 in a longitudinally extending direction or in a direction extending along the inner periphery, to the effect that thecutter 12 can be caused to cover anopening 13 provided in the sidewall of thecylinder 8. Hereby it is accomplished that, apart from cutting off a sample such that it falls into the cylinder orreceptacle 8, thecutter 12 also serves as alid 12 meaning that the sample is unable to fall out of the receptacle again. This embodiment which is also an exchangeable tool may, like the embodiments mentioned above, be provided with perforations to the effect that liquid is able to pass through lid and/or receptacle, whereas the samples are unable to pass. - In this embodiment the
cylinder 8 can optionally be configured to be so elongate that it can be caused to have such small diameter that it is possible forsuch cylinder 8 to pass through apassage 3 in thetelescope 1 along with thebiopsy forceps 6 and be secured at the end of thecable 2. - According to a further development of this embodiment, the cutter or cutting part can be constituted of two essentially dish-shaped
cutting parts 17, both of which are shaped like a part of a spherical shell and hinged 18 mutually close to the periphery that appears when the cuttingparts 17 are in their closed position. Thereby it is obtained that the cuttingparts 17 do not increase their mutual outer diameter, when the cuttingparts 17 are opened and closed. The cuttingparts 17 are able to close with cutting edge towards cutting edge or the cuttingparts 17 may close overlapping. - By providing in connection with the cutting parts 17 a
reaction lever 19 connected to each cuttingpart 17, saidlever 19 being able to pass into agroove 20 formed in the rear of the cuttingpart 17, it is accomplished that, by pull in theinner cable 21, a force is applied to the cuttingparts 17 in the closing direction of the cuttingparts 17. The levers are connected to theinner cable 21 by means of a kind ofyoke 22 that endeavour to ensure that forces are transferred equally between the cuttingparts 17 when they are used to take a sample. At the most distal part of thereceptacle 8, a kind of mesh orgrid 23 is provided to ensure that the samples remain in thereceptacle 8, if themanoeuvring cable 2 is provided with suction and/or flush. - The cylinder face of the receptacle as such can also be provided with perforations to allow liquid to pass without the samples being able to pass.
- According to an alternative embodiment, the
telescope 1 can be provided with a kind of cover cap (not shown), said cap being used to prevent thetool 3 from possibly perforating a wall of an intestine or the like. The cap, which is arranged on the inlet end of thetelescope 1, is preferably transparent, but a kind of window may also be provided in the cap, through which thecamera 5 is able to take pictures. Optionally thecamera 5 can be secured in the cap, or it is possible to arrange means between the window in the cap and the camera for transferring the object to thecamera 5. - In the cap, an opening or a flexible slot is provided such that, when the tool is to be brought from a passive position to an active position, it is able to pass through the cap and, following ended use, return to the passive position underneath the protective or covering cap.
- According to one embodiment of this, it is an option to provide, at the end of the
telescope 1 and within the cap, a collection receptacle for accommodating the collected samples to the effect that it is possible, by using ordinary biopsy forceps, to collect a sample, pour the sample into the receptacle, collect another sample, pour it into the receptacle and so on, until an acceptable number of samples have been collected. Thentelescope 1 with samples is withdrawn from the patient. - By providing a
bore 14 or the like measure to increase the diameter of thepassage 4 in thetelescope 1 at that end of thetelescope 1 which is intended for being introduced into the patient, a kind of ‘garage’ is accomplished in which thetool 3 can be accommodated during introduction into and withdrawal of thetelescope 1 from the patient. - The
bore 14 can be used to advantage in that thetool 3 is mounted on thecable 2 following conveyance of thecable 2 through thecable passage 4. Then thecable 2 is withdrawn so far back that thetool 3 is completely or partially encircled by thebore 14. - In connection with the
tool 3, means 15 are provided for cutting off, clipping off or the like to separate a tissue sample from the patient's tissue. These means 15 may be in the form of a cutter, scissors or the like and may be arranged on the edge of thereceptacle 6, on the edge of thelid 9 or as a combination thereof. Acutting edge 15 can also be moved in a guide configured in the immediate vicinity of the opening of thereceptacle 8. - Moreover the
receptacle 8 may be provided with anedge 16 at least along a portion of the opening of thereceptacle 8, saidedge 16 extending towards the centre of the receptacle opening. It is the purpose of thatedge 16 to withhold the collected samples in thereceptacle 8 so as to ensure that they do not unintentionally fall out the receptacle, when the lid is open eg during collection of a further sample. - According to a further embodiment of the
edge 16, theedge 16 can be configured such that, in addition to extending towards the centre of the receptacle opening, it also extends at an angle towards the receptacle bottom to ensure improved retention of collected samples. - In an embodiment of connecting the
operating cable 2 to the tool 3 a connectinglever 23 is provided with ahole 24 which is closed in the one end. At the side of the open end of the hole 24 a first slot oraperture 25 is provided and at a distance from the open end of the hole 24 a second slot or aperture extends from the first slot and in a plane perpendicular to the center axis of the hole. Hereby it is possible to insert the end of theinner cable 21 carrying a ball orcylindrical knob 26 into thelever 23 mostly similar to connecting a handbrake cable to the handbrake lever i.e. on a bicycle. When the cable is inserted in the first slot thecable 2 form an angle with thelever 23. By turning thecable 2 into a position in extension of the lever theinner cable 21 of theoperating cable 2 is connected to thelever 23. To secure the outer part of thecable 2 to thetool 3 thetool 3 andcable 2 can be provided with mutual engaging treading parts, a bayonet coupling or, the like. The embodiments shown inFIGS. 13 to 18 , 22 and 23 have mutual engaging treading parts. - With the
cable knob 26 inserted and thecable 2 turned into position and fastened to the tool 3 a stable and secure connection is obtained. - The tool are in this embodiment provided with two essentially dish-shaped
cutting parts 17 connected to each other by ahinge 18. Each cutting part being connected to the connectinglever 23 by connectinglinks 27. - In a further development of this embodiment the two essential dish-shaped cutting parts are replaced by a
tonglike arm 28 and areceptacle arm 29 comprising acylinder 30 with a plurality ofopenings 31, thetonglike arm 28 and thereceptacle arm 29 being hinged to each other. When these two parts are moved towards each other operated by the cable 2 a sample is taken and placed i thereceptacle 30. The receptacle is formed like a drum for a revolver, forming a plurality of chambers suitable to contain a sample in each opening. It is obvious, that the number of openings used for collecting samples depends on the needed number of samples. - In relation to the
operating cable 2 an advancingmechanism 32 can be provided to advance the cylinder to the next opening before taking the next sample. The advancing of thecylinder 30 can be operated of theoperating cable 2 or by another mechanism. - On top and under the receptacle formed as a cylinder with a plurality of openings, two
discs 33, 34 can be placed. Thedisc 33 at the top is arranged with an opening placed in relation to the receptacle in such a way that the opening is situated above one of the receptacle openings. Thetop disc 33 is preferably in a fixed position relative to thetool 3. The hole in thetop disc 33 is arranged with a cutting edge along its circumference (not shown). - The
cylinder 30 is held in position after advancing by means for locking the cylinder, such as a latch, a flat spring or the like (not shown). - Thereby it is possible to place a sample directly when taken into the selected opening in the receptacle. When taking the next sample, the cylinder is advanced or revolved in such a way that the next opening in the cylinder is arranged in relation to the top disc so that the previous sample is held in a closed state and the opening in the cylinder, which opening is ready to receive the next sample is situated aligned with the opening in the top disc leaving the opening available.
- In a further embodiment of the telescope the opening or “garage” suitable for storing the tool during introducing the telescope into the patient can be provided in the centre region of the end of the telescope. The opening can be a cylindrical hole or opening or the opening can show the shape of a cross, a T or the like, thereby leaving sufficient of surrounding material to position suction- and/or flushing-channels, camera and the like.
- It is clear that the invention can be combined across the embodiments of the invention.
- In connection with the various embodiments of the
tool 3, it is an option to provide, at that end of thetool 3 that faces towards the coupling means of the cable, connection to suction and/or flushingpassages 7, either via passages within thetelescope 1 or via coupling in at the manoeuvring end of the telescope of the biopsy cable. In order to ensure that the samples are not drawn out of thecable 2 and possibly damaged, it is an option to arrange a kind of mesh or grid at the coupling end of thetool 3, said grid or mesh featuring a passageway for the operating cable for the tool. - The individual tools that can thus be arranged at the end of a biopsy cable may have different dimensions adapted to the task for which the tool is used.
Claims (20)
1-20. (canceled)
21. An apparatus for taking tissue samples in connection with the use of a kind of examination or treatment telescope (1) in the treatment of humans or animals, which apparatus (2, 3) is provided with a passage (4) for advancing a maneuvering cable (2) through the apparatus (2, 3), the maneuvering cable (2) being connectable to a tool (3) for taking tissue samples and including a receptacle (8) for accommodating tissue samples, including at the end of the examination or treatment telescope (1) a bore which is introduced into the patient to increase the diameter of the passage (4) for the maneuvering cable (2) to a tool (3) for use as biopsy forceps (6), said bore (14) being configured for completely or partially receiving the tool (3) arranged at the end of the maneuvering cable (2).
22. The apparatus according to claim 21 , including coupling means at the end of cable (2) for exchangeable attachment of a tool (3) for use in connection with the cable (2).
23. The apparatus according to claim 21 , including a cap or rounded shield at the end of the examination or treatment telescope (1) that prevents the tool (3) from being captured in folds or orifices in a patient's intestines during introduction of the examination or treatment telescope (1) into the patient.
24. The apparatus according to claim 23 , wherein the cap or rounded shield arranged at the end of the examination or treatment telescope is provided with a flexible slot or opening through which the tool (3) is able to pass from a passive position when the tool (3) is to be brought to an active position.
25. The apparatus according to claim 21 , wherein the receptacle (8) in the tool (3) contains an exchangeable foil, which foil encloses the samples following completion of sampling.
26. The apparatus according to claim 25 , wherein the exchangeable foil is made of or treated with a coating that adheres to and secures the collected samples.
27. The apparatus according to claim 26 , wherein the receptacle (8) comprises a lid (9) closing mechanism for opening and closing access to the receptacle (8).
28. The apparatus according to claim 27 , wherein the receptacle (8) comprises cutter or swipe means (15) for taking a sample.
29. The apparatus according to claim 27 , wherein the lid of the receptacle (9) comprises cutter or swipe means (15) for taking a sample.
30. The apparatus according to claim 27 , wherein the receptacle (8) and the lid (9) of the receptacle comprise mutual cutter or swipe means (15) for taking a sample.
31. The apparatus according to claim 30 , wherein the receptacle (8) in the tool (3) comprises an essentially rigid receptacle (8) which includes perforations (11) sized so that liquid and the like is able to pass through the perforations (11), whereas the samples cannot.
32. An apparatus according to claim 31 , including perforations in the lid or closing mechanism (9).
33. The apparatus according to claim 21 , wherein the receptacle (8), at least along a portion of its opening, includes an edge (16) which is arranged such that it retains collected samples in the receptacle (8).
34. The apparatus according to claim 21 , wherein the receptacle (8) is completely or partially provided by a mesh having a mesh size that allows liquid to pass therethrough, whereas the samples cannot.
35. The apparatus according to claim 21 , wherein the receptacle (8) is a cylindrical unit that is arranged at the end of a maneuvering cable (2) and includes a cutter device (12) displaceable in the axial direction of the cylindrical unit.
36. The apparatus according to claim 21 , wherein the receptacle (8) is a cylindrical unit that is arranged at the end of a maneuvering cable (2) and includes a cutter device (12) that comprises two essentially dish-shaped cutting parts (17).
37. The apparatus according to claim 21 , wherein the end of the tool (3) that faces towards the coupling means of the cable connection includes suctioning and/or flushing passages (7), either via passages in the telescope (1) or via coupling to the maneuvering end of the telescope (1) or the biopsy forceps (6).
38. The apparatus according to claim 21 , including a mesh or grid (23) at the coupling end of the tool (3), wherein a passage is formed in the mesh or grid (23) for at least one inner part (21) of the operating cable (2) for the tool (3).
39. The apparatus according to claim 21 , wherein the receptacle (8) is formed as a turnable cylinder (30), comprising a plurality of openings (31) for collecting samples.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US12/087,600 US20090299217A1 (en) | 2006-01-12 | 2007-12-01 | Sampling Apparatus for Taking a Number of Samples |
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DKPA200600051 | 2006-01-12 | ||
PCT/DK2007/000017 WO2007079754A1 (en) | 2006-01-12 | 2007-01-12 | A sampling apparatus for taking a number of samples |
US12/087,600 US20090299217A1 (en) | 2006-01-12 | 2007-12-01 | Sampling Apparatus for Taking a Number of Samples |
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PCT/DK2007/000017 A-371-Of-International WO2007079754A1 (en) | 2006-01-12 | 2007-01-12 | A sampling apparatus for taking a number of samples |
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US13/419,970 Expired - Fee Related US9078643B2 (en) | 2006-01-12 | 2012-03-14 | Sampling apparatus for taking a number of samples |
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EP (3) | EP2417914B1 (en) |
JP (2) | JP2009523041A (en) |
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US20100198106A1 (en) * | 2007-02-19 | 2010-08-05 | Multi Biopsy Sampling Co. Aps | Biopsy forceps for taking one or more samples |
US20110196258A1 (en) * | 2010-02-05 | 2011-08-11 | Shawn Ryan | Nesting endoscopic ultrasound guided biopsy device |
US20110264091A1 (en) * | 2010-04-26 | 2011-10-27 | Rachel Suzanne Koppleman | Apparatus and method for sealing specimen for retrieval |
US20150359553A1 (en) * | 2014-06-16 | 2015-12-17 | Med-El Elektromedizinische Geraete Gmbh | Implant magnet insertion and removal tools |
US20170360462A1 (en) * | 2011-11-29 | 2017-12-21 | Covidien Lp | Coupling mechanisms for surgical instruments |
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USD844141S1 (en) * | 2015-02-09 | 2019-03-26 | Karl Storz Se & Co. Kg | Arthroscopic medical instrument |
USD845479S1 (en) * | 2015-02-09 | 2019-04-09 | Karl Storz Se & Co. Kg | Arthroscopic medical instrument |
USD845482S1 (en) * | 2015-02-09 | 2019-04-09 | Karl Storz Se & Co. Kg | Arthroscopic medical instrument |
USD845481S1 (en) * | 2015-02-09 | 2019-04-09 | Karl Storz Se & Co. Kg | Arthroscopic medical instrument |
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US8318413B2 (en) * | 2007-12-11 | 2012-11-27 | The University Of Medicine And Dentistry Of New Jersey | Amniopunch and uses thereof |
DE102012203859B3 (en) * | 2012-03-13 | 2013-09-19 | Markus Hartmann | Folding |
KR101471465B1 (en) * | 2012-11-27 | 2014-12-10 | (주)티엔티리써치 | Biopsy Apparatus for Large Animals |
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CN109909992B (en) * | 2019-04-25 | 2021-07-09 | 苏州柔性智能科技有限公司 | Soft operating arm for medical operation |
EP3984469A4 (en) * | 2019-06-14 | 2023-06-21 | Tam, Chi Chun Terence | Sampling system |
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US20110196258A1 (en) * | 2010-02-05 | 2011-08-11 | Shawn Ryan | Nesting endoscopic ultrasound guided biopsy device |
WO2011097125A1 (en) * | 2010-02-05 | 2011-08-11 | Boston Scientific Scimed, Inc. | Nesting endoscopic ultrasound guided biopsy device |
US20110264091A1 (en) * | 2010-04-26 | 2011-10-27 | Rachel Suzanne Koppleman | Apparatus and method for sealing specimen for retrieval |
US20170360462A1 (en) * | 2011-11-29 | 2017-12-21 | Covidien Lp | Coupling mechanisms for surgical instruments |
US9999407B2 (en) | 2012-01-21 | 2018-06-19 | Choon Kee Lee | Tissue sampling device |
US9763686B2 (en) * | 2014-06-16 | 2017-09-19 | Med-El Elektromedizinische Geraete Gmbh | Implant magnet insertion and removal tools |
US20150359553A1 (en) * | 2014-06-16 | 2015-12-17 | Med-El Elektromedizinische Geraete Gmbh | Implant magnet insertion and removal tools |
USD844141S1 (en) * | 2015-02-09 | 2019-03-26 | Karl Storz Se & Co. Kg | Arthroscopic medical instrument |
USD845479S1 (en) * | 2015-02-09 | 2019-04-09 | Karl Storz Se & Co. Kg | Arthroscopic medical instrument |
USD845482S1 (en) * | 2015-02-09 | 2019-04-09 | Karl Storz Se & Co. Kg | Arthroscopic medical instrument |
USD845481S1 (en) * | 2015-02-09 | 2019-04-09 | Karl Storz Se & Co. Kg | Arthroscopic medical instrument |
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Also Published As
Publication number | Publication date |
---|---|
EP2193748A1 (en) | 2010-06-09 |
JP2012166044A (en) | 2012-09-06 |
US20120197156A1 (en) | 2012-08-02 |
US9078643B2 (en) | 2015-07-14 |
EP2417914B1 (en) | 2014-06-11 |
EP1973473A1 (en) | 2008-10-01 |
ATE532462T1 (en) | 2011-11-15 |
CN101365388A (en) | 2009-02-11 |
WO2007079754A1 (en) | 2007-07-19 |
CN101365388B (en) | 2011-03-23 |
JP5391302B2 (en) | 2014-01-15 |
EP1973473B1 (en) | 2011-11-09 |
EP2417914A1 (en) | 2012-02-15 |
JP2009523041A (en) | 2009-06-18 |
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