WO2005065554A1 - 吻合器および生体内管腔器官壁部の切除方法 - Google Patents
吻合器および生体内管腔器官壁部の切除方法 Download PDFInfo
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- WO2005065554A1 WO2005065554A1 PCT/JP2005/000121 JP2005000121W WO2005065554A1 WO 2005065554 A1 WO2005065554 A1 WO 2005065554A1 JP 2005000121 W JP2005000121 W JP 2005000121W WO 2005065554 A1 WO2005065554 A1 WO 2005065554A1
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- living tissue
- luminal organ
- wall
- anastomosis
- distal end
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0469—Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0487—Suture clamps, clips or locks, e.g. for replacing suture knots; Instruments for applying or removing suture clamps, clips or locks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/32053—Punch like cutting instruments, e.g. using a cylindrical or oval knife
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/00296—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means mounted on an endoscope
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/0034—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means adapted to be inserted through a working channel of an endoscope
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0417—T-fasteners
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0446—Means for attaching and blocking the suture in the suture anchor
- A61B2017/0458—Longitudinal through hole, e.g. suture blocked by a distal suture knot
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0464—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors for soft tissue
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- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0487—Suture clamps, clips or locks, e.g. for replacing suture knots; Instruments for applying or removing suture clamps, clips or locks
- A61B2017/0488—Instruments for applying suture clamps, clips or locks
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- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B2017/0496—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials for tensioning sutures
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- A—HUMAN NECESSITIES
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B2017/06052—Needle-suture combinations in which a suture is extending inside a hollow tubular needle, e.g. over the entire length of the needle
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- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2901—Details of shaft
- A61B2017/2905—Details of shaft flexible
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- A61B17/32—Surgical cutting instruments
- A61B2017/320052—Guides for cutting instruments
Definitions
- the present invention relates to an anastomotic device and a method for resecting a luminal organ wall in a living body.
- Priority is claimed on Japanese Patent Application No. 2004-002873, filed on Jan. 8, 2004, the contents of which are incorporated herein by reference.
- Patent Document 1 JP-A-5-64642 (FIG. 1)
- Patent Document 2 Japanese Patent Publication No. 10-500318 (Fig. 1)
- a puncture needle In a conventional puncture needle or an anastomosis device, when a plurality of living tissues are stacked, a puncture needle is protruded from these, and only one of the living tissues near the puncture needle is punctured. If the puncture needle is protruded more than necessary, a high degree of caution and skill are required because the puncture may be performed together with the other living tissue that does not need to be punctured.
- the present invention has been made in view of the above circumstances, and an anastomosis that can accurately and easily puncture only a living tissue that needs to be punctured, and consequently reduce the time required for the procedure.
- the purpose is to provide a vessel.
- the present invention provides a method of excision of a luminal organ wall in a living body, in which lesions such as tumors formed in the luminal wall can be safely excised while keeping the invasion low.
- the present invention provides a puncture needle which advances and retreats in a channel provided in an insertion portion to be inserted into a body cavity, pierces a living tissue by protruding the distal end force of the insertion portion, and attaches to a distal end of the insertion portion.
- the living tissue to be punctured is not the target.
- the living tissue that is not the target of the puncture can be touched without closely controlling the protruding length of the puncture needle by separating the two living tissues by the spacing maintaining means. None be. Therefore, only the living tissue to be punctured can be accurately and easily punctured.
- the anastomosis apparatus further includes a holding unit for holding the living tissue to be punctured at a position apart from the living tissue force, which is not the puncturing target.
- the holding portion holds the living tissue to be punctured at a position away from the living tissue that is not the target of puncturing, whereby the interval between both living tissues is stably maintained.
- puncturing becomes easier.
- the anastomotic apparatus of the present invention includes a holding portion for holding the living tissue to be punctured with the holding portion.
- the living tissue to be punctured is held between the holding portion and the holding portion, the living tissue to be punctured is securely held at a fixed position, so that the puncturing can be further performed. It will be easier.
- the anastomotic apparatus of the present invention includes an adsorption hole communicating with the channel and adsorbing the living tissue to be punctured by reducing the pressure in the channel.
- the distance maintaining means may be movable between a regular position in front of the distal end of the puncture needle and a retracted position away from the front of the distal end of the puncture needle. desirable.
- the distance maintaining means is arranged at the retreat position, and when the two living tissues are separated from each other, the two tissues are separated by moving to the normal position. Before performing the procedure.
- the interval maintaining means can be attached to a distal end of the insertion section.
- the space maintaining means is attached to the distal end of the insertion portion of the endoscope and inserted into the lumen together with the insertion portion, so that the anastomosis device can be easily inserted into the lumen.
- the present invention provides a method of drawing a wall portion of a luminal organ in a living body to the inside of the luminal organ; Suturing from the inside of the luminal organ; excision of a part of the sewn wall of the luminal organ while the anastomosis tool is left in the luminal organ while the wall of the luminal organ is stitched
- a method for resection of a wall of a luminal organ in a living body is provided.
- the wall portion of the lumen organ is sewn over the entire circumference of the lumen organ using a plurality of the anastomosis tools. ⁇ Stop; sewing! (4) A part of the wall of the luminal organ that has been stopped may be resected over the entire circumference of the luminal organ while the plurality of anastomosis tools remain in the luminal organ.
- the anastomosis device of the present invention only the living tissue that needs to be punctured can be punctured accurately and easily, and as a result, the time required for the procedure can be reduced.
- ADVANTAGE OF THE INVENTION According to the resection method of the lumen wall of the living body of the present invention, it is possible to safely remove a lesion such as a tumor formed on the wall portion of the lumen in the living body while keeping the invasion small.
- FIG. 1 is a view showing a first embodiment of an anastomotic apparatus of the present invention, and shows an anastomotic apparatus and an endoscope having the anastomotic apparatus mounted on a distal end of an insertion portion.
- FIG. 1 is a view showing a first embodiment of an anastomotic apparatus of the present invention, and shows an anastomotic apparatus and an endoscope having the anastomotic apparatus mounted on a distal end of an insertion portion.
- FIG. 2 is a cross-sectional view showing an anastomotic device.
- FIG. 3 is a cross-sectional view showing a main part of a puncture needle constituting an anastomotic apparatus.
- FIG. 4 is a cross-sectional view of a holding portion of a distal end cap constituting the anastomosis device, as viewed from one side in the axial direction of the puncture needle.
- FIG. 5 shows that the holding portion of the distal end cap constituting the anastomosis device is held at the other end in the axial direction of the puncture needle.
- FIG. 6 is a state diagram showing a process of a procedure performed using an anastomotic apparatus.
- FIG. 7 is a state diagram showing a process of a procedure performed using an anastomotic apparatus.
- FIG. 8 is a state diagram showing a process of a procedure performed using an anastomosis instrument.
- FIG. 9 is a state diagram showing a process of a procedure performed using an anastomosis instrument.
- FIG. 10 is a state diagram showing a process of a procedure performed using an anastomosis instrument.
- FIG. 11 is a state diagram showing a procedure of a procedure performed using an anastomosis instrument.
- FIG. 12 is a state diagram showing a process of a procedure performed using an anastomosis instrument.
- FIG. 13 is a state diagram showing a process of a procedure performed using an anastomosis instrument.
- FIG. 14 is a state diagram showing a process of a procedure performed using an anastomosis instrument.
- FIG. 15 is a state diagram showing a process of a procedure performed using an anastomosis device.
- FIG. 16 is a state diagram showing a procedure of a procedure performed using an anastomosis instrument.
- FIG. 17 is a state diagram showing a procedure of a procedure performed using an anastomosis instrument.
- FIG. 18 is a state diagram showing a procedure of a procedure performed using an anastomosis instrument.
- FIG. 19 is a state diagram showing a procedure of a procedure performed using an anastomotic apparatus.
- FIG. 20 is a state diagram showing a procedure of a procedure performed using an anastomosis instrument.
- FIG. 21 is a state diagram showing a procedure of a procedure performed using an anastomosis instrument.
- FIG. 22 is a state diagram showing a procedure of a procedure performed using an anastomosis instrument.
- FIG. 23 is a state diagram showing a procedure of a procedure performed using an anastomosis instrument.
- FIG. 24 is a diagram showing a second embodiment of the anastomotic device of the present invention, and is a perspective view showing the anastomotic device attached to the distal end of the insertion section of the endoscope.
- FIG. 25 is a perspective view showing an anastomotic device attached to the distal end of the insertion section of the endoscope.
- FIG. 26 is a plan view of the anastomosis device attached to the distal end of the insertion section of the endoscope as viewed from one side in the axial direction of the puncture needle.
- FIG. 27 is a state diagram showing a procedure of a procedure performed using an anastomosis instrument.
- FIG. 28 is a state diagram showing a procedure of a procedure performed using an anastomosis instrument.
- FIG. 29 is a state diagram showing a procedure of a procedure performed using an anastomosis instrument.
- FIG. 30 is a state diagram showing a process of a procedure performed using an anastomosis instrument.
- FIG. 31 is a state diagram showing a procedure of a procedure performed using an anastomosis instrument.
- FIG. 32 is a diagram showing a third embodiment of the anastomotic device of the present invention, and is a perspective view showing the anastomotic device and an endoscope having the anastomotic device attached to the distal end of the insertion portion.
- FIG. 32 is a diagram showing a third embodiment of the anastomotic device of the present invention, and is a perspective view showing the anastomotic device and an endoscope having the anastomotic device attached to the distal end of the insertion portion.
- FIG. 33 is a state diagram showing the steps of a procedure performed using an anastomosis instrument.
- FIG. 34 is a state diagram showing a procedure of a procedure performed using an anastomosis instrument.
- FIG. 35 is a view showing a fourth embodiment of the anastomotic device of the present invention, and is a cross-sectional view showing the anastomotic device attached to the distal end of the insertion section of the endoscope.
- FIG. 36 is a state diagram showing the steps of a procedure performed using an anastomosis instrument.
- FIG. 37 is a diagram showing a fifth embodiment of the anastomotic device of the present invention, and is a perspective view showing the anastomotic device attached to the distal end of the endoscope.
- FIG. 38 is a perspective view showing the anastomotic apparatus in a state where the distance maintaining means has been moved forward of the puncture needle.
- FIG. 39 is a diagram showing a sixth embodiment of the anastomotic device of the present invention, and is a perspective view showing the anastomotic device attached to the distal end of the endoscope.
- FIG. 40 is a diagram showing an embodiment of a method of resecting a wall of a luminal organ in a living body according to the present invention, and is a state diagram showing a process of a procedure performed using an anastomotic instrument.
- FIG. 41 is a state diagram showing a procedure of a procedure performed using an anastomosis instrument.
- FIG. 42 is a state diagram showing a procedure of a procedure performed using an anastomosis instrument.
- FIG. 43 is a state diagram showing the steps of a procedure performed using an anastomosis instrument.
- FIG. 44 is a state diagram showing the steps of a procedure performed using an anastomosis instrument.
- FIG. 45 is a state diagram showing a procedure of a procedure performed using an anastomosis instrument.
- FIG. 46 is a state diagram showing a procedure of a procedure performed using an anastomosis instrument.
- FIG. 47 is a state diagram showing a procedure of a procedure performed using an anastomotic apparatus according to another embodiment of the present invention.
- FIG. 48 is a state diagram showing the steps of a procedure performed using an anastomosis instrument.
- FIG. 49 is a state diagram showing the steps of a procedure performed using an anastomosis instrument.
- the anastomotic apparatus 1 of the present embodiment includes a puncture needle 7, a tip cap 23, and an anastomotic device 12, as shown in FIGS.
- the puncture needle 7 advances and retreats in the channel 5 provided in the insertion section 3 of the endoscope 2 inserted into the body cavity, and projects from the distal end of the insertion section 3 to puncture the living tissue.
- the tip cap 23 is attached to the tip of the insertion section 3.
- the anastomosis device 12 punctures the living tissue 8 located in front of and near the distal end of the puncture needle 7.
- the tip cap 23 is provided with interval maintaining means 11 for maintaining the interval between the proximal living tissue 8 and the distal living tissue 10 at a predetermined size.
- the puncture needle 7 includes an operation tube 15, an advance / retreat member 16, a needle body 17, a pusher 16A, and a puncture needle operation unit 18.
- the operation tube 15 is inserted into the channel 5 from a forceps port 13A provided in the endoscope operation section 13.
- the reciprocating member 16 has a tubular shape and is inserted into the operation tube 15.
- a rod-shaped pusher 16A is inserted through the reciprocating member 16.
- the operation tube 15, the reciprocating member 16, and the pusher 16A are all flexible. Further, the operation pipe 15 can advance and retreat in the channel 5, the advance / retreat member 16 can advance and retreat in the operation pipe 15, and the pusher 16 A can advance and retreat in the advance / retreat member 16.
- the needle 17 has a tubular shape, and is connected to the distal end of the advance / retreat member 16 by communicating the lumen.
- a slit 17A is formed in the tube wall of the needle body 17 in the axial direction.
- a thread 20 of the anastomosis device 12 described later is sandwiched between the slits 17A.
- the puncture needle operating section 18 is connected to an operating section main body 18A connected to the proximal end of the operating tube 15, a grip section 18B connected to the proximal end of the reciprocating member 16, and a proximal end of the pusher 16A. It has an extrusion holding section 18C.
- the puncture needle operating section 18 can advance and retreat the advance / retreat member 16 and the needle body 17 in the operation tube 15 by pushing or pulling out the gripping section 18B with respect to the operating section main body 18A. In particular, by pushing the grasping portion 18B into the operating portion main body 18A, the distal end force of the operating tube 15 can also cause the needle body 17 to protrude.
- the puncture needle operating unit 18 pushes or pulls out the pushing grip 18C with respect to the grip 18B.
- the pusher 16A can be advanced and retracted in the advance and retreat member 16.
- the gripping portion 18C for pushing out into the gripping portion 18B it is possible to push out the tip member 17 of the needle member 17 to be described later.
- the distal end cap 23 is formed in a cylindrical shape whose inner diameter is substantially equal to the outer diameter of the distal end of the insertion portion 3, and is attached to the distal end of the insertion portion 3 by inserting the insertion portion 3 from the base end 25a. .
- the distal end cap 23 has an opening 26 into which the proximal living tissue 8 is inserted.
- the opening 26 is formed on the side surface of the tip cap 23 in an arc shape in the circumferential direction.
- the tip cap 23 holds the holding portion 27 for holding the proximal living tissue 8 at a position separated from the distal living tissue 10, and holds the proximal living tissue 8 between the holding portion 27 and the holding portion 27.
- a holding portion 28 is provided.
- the holding portion 27 is formed on a side surface 26A on the distal end side of the opening 26 so as to protrude toward the inside of the distal end cap 23.
- the holding portion 28 is formed on the side surface 26B on the base end side of the opening 26 so as to protrude toward the inside of the distal end cap 23.
- the holding portion 27 and the holding portion 28 have the same shape, and face each other across the opening 26.
- the holding portion 27 has a first through hole 30 at a position that intersects with an extension of the axis of the channel 5 of the insertion portion 3 when the tip cap 23 is attached to the tip of the insertion portion 3. Have been.
- the first through hole 30 is formed to have a size that allows only the needle 17 of the puncture needle 7 to pass therethrough and does not allow the operation tube 15 and the like to pass through.
- the holding portion 27 is provided with a thread removing slit 30A for removing the anastomotic device 12 loaded in the needle body 17 from the first through hole 30.
- the thread removal slit 30A is formed from the first through hole 30 to the internal space of the distal end cap 23.
- the holding portion 28 is provided with a second through hole 31 at a position that intersects with the extension of the axis of the channel 5 similarly to the holding portion 27.
- the second through-hole 31 is also formed in a size that only the needle 17 of the puncture needle 7 is inserted and the operation tube 15 and the like are not inserted.
- a thread removing slit 31A for removing the anastomotic device 12 loaded in the needle body 17 from the second through hole 31 is also formed in the holding portion 28.
- the thread removal slit 31A is formed from the second through hole 31 to the internal space of the tip cap 23.
- the anastomotic device 12 includes a thread 20, a fastening member 21, and a fastening device 22.
- Thread 20 is slit 17 It is arranged to be sandwiched between A.
- the fastening member 21 is fixed to the tip of the thread 20.
- the fastening tool 22 is mounted on the thread 20 at a distance from the fastening member 21. The fastener 22 can be moved along the thread 20 as needed.
- a partial force from the opening 26 to the distal end 25b of the distal end cap 23 constitutes a distance maintaining means 11 for maintaining a predetermined distance between the proximal biological tissue 8 and the distal biological tissue 10.
- the length of the gap maintaining means 11 along the longitudinal direction of the distal end cap 23 can be adjusted even if the puncture needle 7 is protruded from the channel 5 by the maximum length while the operation tube 15 is locked on the holding portion 28.
- the tip is longer than the maximum protruding length of the puncture needle 7 so that the tip does not reach the distal living tissue 10.
- the digestive tract end face 8A and the eraser wall 8B are regarded as the above-mentioned proximal living tissue 8.
- the endoscope 2 has, as the channel 5, a first channel 5A through which the puncture needle 7 is inserted, and a second channel through which the grasping forceps 33 described later are inserted. Use the one with 5B.
- the insertion section 3 of the endoscope 2 equipped with the anastomosis device 1 is inserted into a body cavity.
- the fastening member 21 of the anastomosis device 12 is arranged in the needle body 17, and the thread 20 is sandwiched between the slits 17A.
- the puncture needle 7 is inserted into the first channel 5A, and the tube 32 and the grasping forceps 33 inserted into the tube 32 are inserted into the second channel 5B together.
- the tube 32 can be advanced and retracted in the second channel 5B, and the grasping forceps 33 can be advanced and retracted in the tube 32.
- the tip 25b of the tip cap 23 is brought closer to the digestive tract end face 8A and to the digestive tract wall 8B, and further to the digestive tract end face 8A. It is fitted into the opening 26 in a state where the wall 8B is overlaid, and is placed on the holder 27. At this time, a portion from the opening 26 of the distal end cap 23 to the distal end 25b, that is, the distance is maintained between the digestive tract end surface 8A and the digestive organ wall 8B and the distal living tissue 10 as another organ. Since the part constituting the means 11 is arranged, the digestive tract end face 8A and the eraser wall 8B are separated from the distal living tissue 10.
- the puncture needle 7 is protruded from the first channel 5A, and furthermore, the needle body 17 is operated so as to push the grip portion 18B into the operation portion main body 18A, so that the tip force of the operation tube 15 is also reduced. Protrude.
- the puncture needle 7 is advanced until the distal end of the operation tube 15 contacts the holding portion 28.
- the needle body 17 penetrates through the second through-hole 31, the digestive tract end face 8A, the digestive organ wall 8B, and the first through-hole 30 in this order to form both the digestive tract end face 8A and the diaper wall 8B.
- the retaining member 21 penetrates through the digestive tract end face 8A and the eraser wall 8B. Since the tip of the operation tube 15 is locked by the holding portion 28, the tip of the needle 17 stops without hitting the distal biological tissue 10.
- the pusher 16A is advanced in the needle body 17 by operating the pushing gripper 18C to be pushed into the gripper 18B.
- the pusher 16A pushes the fastening member 21 inserted into the needle body 17 toward the distal living tissue 10 by advancing in the needle body 17.
- the pusher 16A is retracted by operating the pushing gripper 18C so as to be pulled out from the gripper 18B, and is moved into the advance / retreat member 16.
- the needle body 17 is drawn into the operation tube 15 by operating the grip portion 18B so as to be pulled out from the operation portion main body 18A.
- the thread 20 As the needle 20 is pulled into the operation pipe 15, the thread 20 is caught by the tip of the operation pipe 15, so that when the needle 17 falls into the tip of the operation pipe 15, the thread 17 also loses the slit 17A force. Then, the anastomotic device 12 is detached from the puncture needle 7. In this manner, the thread 20 of the anastomosis instrument 12 penetrates the digestive tract end face 8A and the sterilizing wall 8B, and is retained at one end of the thread 20 across the digestive tract end face 8A and the sterilizing wall 8B.
- the member 22 is arranged at the other end, and the fastening tool 22 is arranged at the other end.
- the grasping forceps 33 is also projected with the force of the second channel 5 B, and grasps the proximal end of the thread 20. Subsequently, the gripping forceps 33 are operated so as to be pulled, so that the fastening member 21 is pulled and brought into contact with the eraser wall 8B.
- the tube 32 is protruded from the second channel 5B, and the second channel 5B force is also protruded while the tip of the tube 32 is in contact with the fastening tool 22. Then, as shown in FIG.
- the fastener 22 moves to the fastening member 21 and abuts on the digestive tract end face 8A, and the digestive tract end face 8A and The wall 8B is sandwiched. In this manner, the digestive tract end face 8A and the diaper wall 8B can be held in close contact with each other using the anastomosis device 12.
- the digestive tract end face 8A and the digestive organ wall 8B can be anastomosed by holding the digested tract end face 8A.
- FIGS. 13 to 17 Another method of using the anastomotic device 1 of the present embodiment will be described with reference to FIGS. 13 to 17, taking as an example a case where the anastomotic device walls are anastomosed.
- the first digestive organ wall 8C and the second digestive organ wall 8D are regarded as the proximal living tissue 8 described above.
- the insertion section 3 of the endoscope 2 equipped with the anastomosis device 1 is inserted into a body cavity.
- the fastening member 21 and the fastening tool 22 of the anastomosis tool 12 are arranged in the needle 17 in advance, and the thread 20 is sandwiched between the slits 17A.
- the distal end of the insertion section 3 to which the distal end cap 23 is attached is disposed between the first digestive organ wall 8C and the second digestive organ wall 8D, and the second digestive organ wall 8D Bend from the side.
- the first eraser wall 8C is inserted into the opening 26 of the tip cap 23, and while maintaining the state where the tip 25b of the tip cap 23 is in contact with the distal living tissue 10, The same operation is performed to puncture the needle 17 into the first digestive organ wall 8C. Then, as shown in FIG. 15, the fastening tool 22 penetrates the first eraser wall 8C.
- the second eraser wall 8D is inserted into the opening 26 of the distal end cap 23, and the same operation as described above is performed to cause the needle 17 to also project the distal end force of the operation tube 15 to perform the second operation.
- the retaining member 21 penetrates the second eraser wall 8D as shown in FIG.
- the thread 20 of the anastomosis device 12 penetrates the first eraser wall 8C and the second eraser wall 8D, and the first eraser wall 8C and the second eraser wall 8C.
- a fastening member 22 is arranged at one end of the thread 20 and a fastening tool 22 is arranged at the other end of the yarn 20 with the siding device wall 8D interposed therebetween.
- the fastening tool 22 moves to the fastening member 21 side and abuts on the first eraser wall 8C, and between the fastening member 21 and the fastening tool 22, the first fastening tool wall 8C
- the second consumption wall 8D is sandwiched.
- the first digestive organ wall 8C and the second digestive organ wall 8D can be held in close contact with each other by using the anastomosis device 12.
- FIG. 18 and FIG. 19 Another method of using the anastomotic apparatus 1 of the present embodiment will be described with reference to Figs. 18 to 22, taking an example of anastomosis between digestive organ walls.
- the insertion section 3 of the endoscope 2 equipped with the anastomosis device 1 is inserted into a body cavity.
- the fastening member 21 of the anastomosis device 12 is placed in the needle 17 in advance, and the thread 20 is sandwiched between the slits 17A.
- the periphery of the second hole 8b of the gastrointestinal tract 8F is inserted into the first hole 8a of the filter wall 8E, and the periphery of the inserted second hole 8b is turned back.
- the peripheral edge of the first hole 8a of the dungeon wall 8E is covered.
- the folded edge of the second hole 8b and the edge of the first hole 8a sandwiched therebetween are inserted into the opening 26 of the tip cap 23, and the tip 25b of the tip cap 23 is inserted.
- the same operation as described above is performed to puncture the needle 17 the digestive organ wall 8E and the digestive tract 8F.
- the retaining member 21 penetrates through the gas barrier wall 8E and the digestive tract 8F.
- the anastomotic device 12 can be used to hold the digester wall 8E and the digestive tract 8F in close contact with each other.
- the digestive device wall 8E and the digestive tract 8F are kept in close contact with each other at a plurality of locations in the circumferential direction of the hole so that the digestive device The wall 8E and the digestive tract 8F can be anastomosed.
- the distance maintaining means 11 By separating both living tissues, the puncture needle 7 does not touch living tissues that are not the target of puncturing, even if the projection length of the puncture needle 7 is not strictly controlled. Therefore, only the living tissue to be punctured can be accurately and easily punctured.
- the anastomotic apparatus 1 by holding the proximal living tissue separated from the distal living tissue force by the holding portion 27, the interval between the two living tissues can be stably maintained. Is performed. In addition, since the proximal living tissue to be punctured is held at a fixed position, puncturing becomes easier.
- the distal end cap 23 is formed in a tubular shape, the distal end cap 23 can be easily attached to the distal end of the insertion section 3 of the endoscope 2. Further, the tip cap 23 can be easily inserted into the lumen together with the insertion portion 3.
- the distal end cap 36 has a ring-shaped mounting portion 38 whose inner diameter is substantially equal to the outer diameter of the distal end of the insertion portion 3, and a mounting portion 38. At the front end, there is provided a gap maintaining means 37 fixed via a connecting portion 40.
- the distal end cap 36 is mounted on the distal end of the insertion section 3 by inserting the insertion section 3 into the mounting section 38.
- the spacing maintaining means 37 has a U-shaped cross section when viewed from the insertion direction of the insertion portion 3 into the mounting portion 38, and is located at a position off the center of the mounting portion 38. It is arranged with the U-shaped broken part facing the center of the mounting part 38.
- the side surface 37B on the mounting portion 38 side of the interval maintaining means 37 forms a holding portion.
- the distal end cap 36 is attached to the distal end of the insertion section 3 such that the first channel 5A is disposed inside the gap maintaining means 37 when viewed from the insertion direction.
- FIGS. 1 and FIGS. 2 A method of using the anastomotic device 35 of the present embodiment will be described with reference to Figs.
- the grasping forceps 33 is projected from the second channel 5B farther than the distal end face 37A of the gap maintaining means 37. 27, the proximal living tissue 8 is grasped and turned up.
- the grasping forceps 33 is pulled into the second channel 5B while grasping the proximal living tissue 8. At this time, as shown in FIGS.
- the proximal living tissue 8 is placed on the proximal end surface 37B of the interval maintaining means 37. Place on.
- the proximal living tissue 8 and the not-shown distal living tissue 10 are separated from each other. Thereafter, the same operation as in the first embodiment is performed to puncture only the proximal living tissue 8, and anastomosis is performed.
- the same function and effect as those of the first embodiment can be obtained. Further, since the spacing means 37 is not provided in the direction in which the grasping forceps 33 are protruded, when the proximal biological tissue 8 is placed on the proximal end face 37B of the spacing means 37, The operation of the grasping forceps 33 that prevents the living tissue 8 from being caught by the interval maintaining means 37 can be performed more easily than in the first embodiment.
- FIGS. 32 to 34 a third embodiment of the anastomotic device of the present invention will be described with reference to FIGS. 32 to 34. To do.
- the same components as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof is omitted.
- the holding portion 42 provided on the distal end cap 45 is supported on the holding portion 43 so as to be able to approach and separate along the axial direction of the puncture needle.
- the distal end cap 45 has an inner cylindrical portion 46 from the base end where the insertion portion 3 of the endoscope 2 is mounted, and an outer cylindrical portion 47 slidably mounted outside the inner cylindrical portion 46.
- the holding portion 43 is formed at the tip of the inner cylindrical portion 46.
- the opening portion 26 and the holding portion 42 are provided in the outer cylinder portion 47. A portion from the distal end surface 26A of the opening 26 to the distal end 47a of the outer cylindrical portion 47 constitutes a gap maintaining means 48.
- a locking portion 50 is provided at a base end 47b of the outer tube portion 47 to restrict the inner tube portion 46 from protruding from the base end 47b of the outer tube portion 47.
- the locking part 50 is formed in a ring shape on the inner peripheral surface of the outer cylinder part 47.
- the holding portion 43 is disposed at a position corresponding to the base end surface 26B of the opening 26 when the locking portion 50 and the base end 46a of the inner cylindrical portion 46 are in contact with each other.
- the anastomosis device 41 includes a tube member 51 that slides the outer tube portion 47 with respect to the inner tube portion 46.
- the pipe member 51 has a distal end 52a connected to the proximal end 47b of the outer cylindrical portion 47, and extends to the endoscope operating portion 13 while covering the outer periphery of the insertion portion 3.
- a pipe operating section 53 connected to the proximal end 52b of the pipe main body 52 and sliding the outer cylindrical section 47 with respect to the inner cylindrical section 46 via the pipe main body 52.
- the insertion part 3 of the endoscope 2 is inserted into the tube main body 52 with the force of the tube operation part 53, and the inner tube part 46 is attached to the tip of the insertion part 3 as shown in FIG. Then, after inserting the insertion portion 3 into the body cavity, the proximal living tissue 8 is inserted into the opening portion 26 while rotating the insertion portion 3 or bending the distal end of the insertion portion 3. Then, the tube main body 52 is moved by operating the tube operation unit 53 so as to be drawn toward the endoscope operation unit 13, and the outer tube portion 47 slides with respect to the inner tube portion 46.
- the holding portion 42 approaches the holding portion 43 to reduce the distance between them, and the proximal living tissue 8 is held between the holding portion 42 and the holding portion 43 as shown in FIG. Thereafter, the same operation as in the first embodiment is performed to puncture only the proximal living tissue 8, and anastomosis is performed.
- the anastomosis device 41 by bringing the holding portion 42 close to the holding portion 43, the proximal living tissue 8 to be punctured is sandwiched between the holding portion 42 and the holding portion 43. The puncture is easily performed because the puncture is held in place.
- the anastomotic device 44 of the present embodiment adsorbs the proximal living tissue 8 to be punctured by applying pressure to the channel 5 of the endoscope 2 by using a pressure source 56.
- a suction hole is provided.
- the suction hole is constituted by a second through hole 31 formed in the holding portion 61.
- a suction conduit 57 communicating with the second through-hole 31 is provided on the back surface of the holding portion 61.
- the suction conduit 57 protrudes to the proximal end side of the distal end cap 60, and communicates with the channel 5 when the distal end cap 60 is attached to the distal end of the insertion section 3.
- the inner diameters of the second through passage 31 and the suction conduit 57 are formed substantially equal to the inner diameter of the channel 5.
- the distal end cap 60 is attached to the distal end of the insertion section 3 and inserted into the body cavity, and while the insertion section 3 is rotated or the distal end of the insertion section 3 is curved, the proximal living body is inserted into the opening 26. Insert tissue 8. Then, when the suction source 56 is driven, the pressure in the channel 5 is reduced, and the living body tissue 8 in the vicinity of the opening 26 is adsorbed to the second through-hole 31. While the suction source 56 continues to be driven, the state in which the proximal living tissue 8 is in close contact with the second through hole 31 is maintained. Thereafter, the same operation as in the first embodiment is performed to puncture only the proximal living tissue 8 and perform anastomosis.
- the distal end cap 60 is attached to the distal end of the insertion section 3, and the suction pipe 57 and the channel 5 are communicated with each other.
- the proximal living tissue 8 is adsorbed and fixed in the second through-hole 31, so that the proximal living tissue 8 to be punctured is held at a fixed position. It will be easier.
- the operation tube 15 of the puncture needle 7 is connected to the suction source 56, and the inside of the operation tube 15 is suctioned to adsorb the living body tissue 8 at the distal end thereof. No problem.
- the suction source 56 is driven, the inside of the operation tube 15 is depressurized, so that the proximal living tissue 8 is held at a fixed position in a more stable state, so that puncturing can be easily performed.
- FIGS. 37 and 38 a fifth embodiment of the anastomotic device of the present invention will be described with reference to FIGS. 37 and 38. Note that the same components as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof is omitted.
- the distal end cap 63 is detachably attached to the distal end of the second channel 5B, and the cap body 65 formed in a cylindrical shape and the cap eccentric from the central axis of the puncture needle 7
- a rotating shaft 66 that extends in the axial direction of the main body 65 is connected to the cap body 65 of the rotating shaft 66 that is formed in a tubular shape and that is connected to the tip end side of the cap body 65.
- the distance maintaining means 67 is provided rotatably with respect to the distance.
- the distance maintaining means 67 has substantially the same outer diameter and inner diameter as the cap body 65, and the center axis C 1 of the distance maintaining means 67 is coaxial with the center axis C 2 of the cap body 65 depending on the rotation angle of the rotation axis. And the center axis C1 is arranged at a position where the needle body 17 of the puncture needle 7 can pass through.
- the base end surface 67A of the gap maintaining means 67 constitutes a supporting portion.
- the tip cap 63 is attached to the tip of the insertion section 3 as shown in FIG. Insert inside.
- the rotating shaft 66 is rotated to rotate the interval maintaining means 67 around the rotating shaft 66, and as shown in FIG. 38, the puncture needle 7 is moved to the front position in the forward direction.
- the proximal living tissue is placed on the proximal end face 67A of the spacing means 67. In this way, the proximal living tissue is punctured with the puncture needle 7 as described above.
- the interval maintaining means 67 is disposed at the retracted position (a state in which the central axis C1 and the central axis C2 are coaxially arranged), and the proximal living tissue is moved to the distal side.
- the interval maintaining means 67 rotates around the rotation axis 66 and move it to a normal position (a state in which the interval maintaining means 67 is disposed in front of the puncture needle 7).
- the proximal living tissue and the distal living tissue can be more easily separated from each other.
- the distal end cap 70 has a mounting portion 71 mounted on the distal end of the insertion portion 3 of the endoscope 2, and one end fixed to the mounting portion 71 and the other end connected to the mounting portion 71.
- the first to third support rods 72, 73, 75 extending to the front end side are in contact with the insides of the support rods 72, 73, 75, and are arranged in the axial direction with a predetermined space therebetween.
- First to third ring members 76, 77, 78 provided.
- the spacing maintaining means 81 is composed of a second ring member 77 and a third ring member 78, and the second ring member 77 also has a function as a support.
- the proximal living tissue is opened in the state where the distal living tissue is in contact with the tip of each of the first to third support rods 72, 73, 75.
- the second ring member 77 By inserting it into the second ring member 77 and inserting it on the second ring member 77, it is possible to puncture only the proximal living tissue with the puncture needle, and it is possible to obtain the effects and advantages of the above-described embodiments. it can.
- the insertion section 3 of the endoscope equipped with the anastomotic device 35 of the second embodiment is inserted into the luminal tissue having the lesion 80, for example, the large intestine 81.
- the lesioned part 80 is grasped with the grasping forceps 33 and pulled inside the lumen in the same manner as in the second embodiment, and as shown in FIG. 41, the tube wall part 82 of the large intestine 81 including the lesioned part 80 is spaced apart. It is placed on the proximal end face 37B of the maintenance means 37. Subsequently, the same operation as in the first embodiment is performed to puncture only the tube wall portion 82. As a result, as shown in FIG.
- the thread 20 of the anastomosis instrument 12 penetrates the pipe wall portion 82 where the fastening member 21 is doubly overlapped, and is also fixed to one end of the thread 20 with the tube wall portion 82 interposed therebetween.
- the member 22 is arranged at the other end, and the fastening tool 22 is arranged at the other end.
- the grasping forceps 33 is also projected with the force of the second channel 5B, and grasps the proximal end of the thread 20. Subsequently, the gripping forceps 33 are operated to be pulled, and the fastening member 21 is drawn. Then, the fastening tool 22 was moved along the thread 20 while being brought into contact with the squeezing device wall 8B, so that the fastening member 21 and the fastening tool 22 were double overlapped as shown in FIG.
- the tube wall 82 is sandwiched. As a result, the pipe wall portion 82 can be maintained in a double overlapped state.
- the above procedure is repeated over the entire circumference of the large intestine 81, and the tube wall portion 82 is kept in close contact with a plurality of locations in the circumferential direction as shown in FIG.
- the pipe wall 82 which is folded inside the lumen over the entire circumference, is not shown using a 1-dollar knife or the like while leaving the portion sewn with the anastomosis instrument 12 while using the knives.
- the lesion 80 is removed from the large intestine 81.
- the tube wall portion 82 is excised in a circular shape over the entire circumference. However, it is also possible to exfoliate only a part of the circumference including the lesion portion 80 that does not extend over the entire circumference. .
- the luminal tissue is not limited to the large intestine, and can be applied to the small intestine, stomach, duodenum, esophagus and the like.
- the proximal living tissue 8 taken into the opening 26 can be punctured without providing a portion corresponding to the holding portion.
- the operating tube 15 of the puncture needle 7 may be protruded and pressed against the holding portion 27 so that the proximal living tissue 8 is sandwiched between the holding portion 27 and the living tissue 8.
- the present invention is directed to a channel provided in an insertion portion to be inserted into a body cavity, and A tip force of the insertion portion, a puncture needle that projects and punctures a living tissue; a puncture target living tissue attached to the tip of the insertion portion and located in front of the tip of the puncture needle, and a puncture target living tissue And an interval maintaining means for maintaining an interval between the puncture needle and a living tissue, which is not farther from the puncture needle cap, at a predetermined size.
- the anastomosis device of the present invention only the living tissue that needs to be punctured can be accurately and easily punctured, and as a result, the time required for the procedure can be reduced.
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05703386.2A EP1702569B1 (en) | 2004-01-08 | 2005-01-07 | Anastomosis device and method of excising wall portion of in vivo luminal organ |
JP2005516897A JP4643451B2 (ja) | 2004-01-08 | 2005-01-07 | 吻合器 |
US11/482,051 US20060253144A1 (en) | 2004-01-08 | 2006-07-06 | Anastomosis instrument and method of excising wall portion of hollow organ within a living body |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-002873 | 2004-01-08 | ||
JP2004002873 | 2004-01-08 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/482,051 Continuation US20060253144A1 (en) | 2004-01-08 | 2006-07-06 | Anastomosis instrument and method of excising wall portion of hollow organ within a living body |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005065554A1 true WO2005065554A1 (ja) | 2005-07-21 |
Family
ID=34747063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/000121 WO2005065554A1 (ja) | 2004-01-08 | 2005-01-07 | 吻合器および生体内管腔器官壁部の切除方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060253144A1 (ja) |
EP (1) | EP1702569B1 (ja) |
JP (1) | JP4643451B2 (ja) |
WO (1) | WO2005065554A1 (ja) |
Cited By (5)
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JP2008307374A (ja) * | 2007-04-04 | 2008-12-25 | Ethicon Endo Surgery Inc | 胃組織に褶壁形成術を施し、胃組織を締め付けるための装置 |
JP2011147771A (ja) * | 2010-01-19 | 2011-08-04 | Tyco Healthcare Group Lp | 使い捨ての環状切除デバイス |
JP2012507360A (ja) * | 2008-10-29 | 2012-03-29 | ウィルソン−クック・メディカル・インコーポレーテッド | 組織を縫合するための内視鏡エンドキャップ |
WO2016147470A1 (ja) * | 2015-03-18 | 2016-09-22 | オリンパス株式会社 | 内視鏡用アタッチメント |
WO2017017752A1 (ja) * | 2015-07-27 | 2017-02-02 | オリンパス株式会社 | 内視鏡用アタッチメント及び内視鏡システム |
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AU2007325204B2 (en) | 2006-11-30 | 2013-06-06 | Baystate Health, Inc. | Visceral anchors for purse-string closure of perforations |
US7951159B2 (en) | 2007-04-04 | 2011-05-31 | Ethicon Endo-Surgery, Inc. | Method for plicating and fastening gastric tissue |
US7803165B2 (en) | 2007-04-04 | 2010-09-28 | Ethicon Endo-Surgery, Inc. | Device for plicating and fastening gastric tissue |
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US7803166B2 (en) | 2007-04-04 | 2010-09-28 | Ethicon Endo-Surgery, Inc. | Method for plicating and fastening gastric tissue |
EP2155071B1 (en) | 2007-05-25 | 2014-07-16 | Cook Medical Technologies LLC | Medical devices and systems for closing perforations |
US8740937B2 (en) | 2007-05-31 | 2014-06-03 | Cook Medical Technologies Llc | Suture lock |
EP2178446B1 (en) | 2007-08-17 | 2013-05-22 | Cook Medical Technologies LLC | Device to open and close a bodily wall |
JP5421927B2 (ja) | 2008-01-03 | 2014-02-19 | クック メディカル テクノロジーズ エルエルシー | 内視鏡を使用して穴を縫合するための医療装置、器具及び方法 |
CA2724111C (en) | 2008-05-15 | 2013-11-12 | Wilson-Cook Medical, Inc. | Systems, devices and methods for accessing a bodily opening |
EP2320811B1 (en) | 2008-08-19 | 2020-04-08 | Cook Medical Technologies LLC | Apparatus for removing lymph nodes or anchoring into tissue during a translumenal procedure |
US8192461B2 (en) | 2008-09-11 | 2012-06-05 | Cook Medical Technologies Llc | Methods for facilitating closure of a bodily opening using one or more tacking devices |
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US8491610B2 (en) | 2008-12-19 | 2013-07-23 | Cook Medical Technologies Llc | Clip devices and methods of delivery and deployment |
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EP2434960A1 (en) | 2009-05-28 | 2012-04-04 | Cook Medical Technologies LLC | Tacking device and methods of deployment |
US20130023904A1 (en) * | 2011-07-20 | 2013-01-24 | Yoshinori Morita | Suturing method |
US10849617B1 (en) | 2020-02-11 | 2020-12-01 | King Saud University | Piercing forceps |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008307374A (ja) * | 2007-04-04 | 2008-12-25 | Ethicon Endo Surgery Inc | 胃組織に褶壁形成術を施し、胃組織を締め付けるための装置 |
JP2012507360A (ja) * | 2008-10-29 | 2012-03-29 | ウィルソン−クック・メディカル・インコーポレーテッド | 組織を縫合するための内視鏡エンドキャップ |
JP2011147771A (ja) * | 2010-01-19 | 2011-08-04 | Tyco Healthcare Group Lp | 使い捨ての環状切除デバイス |
WO2016147470A1 (ja) * | 2015-03-18 | 2016-09-22 | オリンパス株式会社 | 内視鏡用アタッチメント |
JP6099847B2 (ja) * | 2015-03-18 | 2017-03-22 | オリンパス株式会社 | 内視鏡用アタッチメント |
JPWO2016147470A1 (ja) * | 2015-03-18 | 2017-04-27 | オリンパス株式会社 | 内視鏡用アタッチメント |
WO2017017752A1 (ja) * | 2015-07-27 | 2017-02-02 | オリンパス株式会社 | 内視鏡用アタッチメント及び内視鏡システム |
JPWO2017017752A1 (ja) * | 2015-07-27 | 2017-08-17 | オリンパス株式会社 | 内視鏡用アタッチメント及び内視鏡システム |
Also Published As
Publication number | Publication date |
---|---|
EP1702569B1 (en) | 2015-10-14 |
EP1702569A4 (en) | 2012-10-03 |
JPWO2005065554A1 (ja) | 2007-07-26 |
EP1702569A1 (en) | 2006-09-20 |
US20060253144A1 (en) | 2006-11-09 |
JP4643451B2 (ja) | 2011-03-02 |
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