WO2007138981A1 - 医療用器具 - Google Patents
医療用器具 Download PDFInfo
- Publication number
- WO2007138981A1 WO2007138981A1 PCT/JP2007/060625 JP2007060625W WO2007138981A1 WO 2007138981 A1 WO2007138981 A1 WO 2007138981A1 JP 2007060625 W JP2007060625 W JP 2007060625W WO 2007138981 A1 WO2007138981 A1 WO 2007138981A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- suture
- puncture needle
- needle
- grasping
- rear end
- Prior art date
Links
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0281—Abdominal wall lifters
-
- 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
- A61B17/0485—Devices or means, e.g. loops, for capturing the suture thread and threading it through an opening of a suturing instrument or needle eyelet
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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
- A61B2017/0472—Multiple-needled, e.g. double-needled, instruments
-
- 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
- A61B17/06—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
Definitions
- the present invention relates to a medical device used when a catheter is percutaneously inserted into an abdominal viscera. Used to fix the anterior abdominal wall and visceral wall to facilitate catheter insertion, especially during endoscopic gastrostomy for the purpose of supplementing nutrients and draining body fluids It is related with the medical device used.
- the inventor of the present invention has a puncture needle for inserting a suture thread, a puncture needle for grasping a suture thread that is provided in a substantially parallel distance from the puncture needle for inserting a suture thread, and the suture thread.
- a medical device comprising a stylet slidably inserted inside a grasping puncture needle, a suture insertion needle, and a fixing member to which a proximal end portion of the suture grasping needle is fixed
- a device has already been proposed (for example, see Japanese Patent Publication No. 6-24533).
- the present invention has been made paying attention to the problems of the prior art as described above, Operation to sequentially feed the suture thread inserted into the suture needle for insertion of the suture thread toward the distal end, and operation to project or immerse the annular member of the stylet accommodated in the suture needle grasping needle from the distal end Can be performed easily with one hand, so that only one surgeon can perform ligation and endoscopic operation, so only one surgeon or two surgeons and assistants The aim is to provide a medical device that can perform the treatment efficiently and safely.
- the gist of the present invention for achieving the above-described object resides in the following items.
- a puncture needle for inserting a suture thread a puncture needle for grasping a suture thread provided at a predetermined distance from the puncture needle for inserting a suture thread, and an interior of the puncture needle for grasping a suture thread A slidably inserted stylet, and a suture insertion needle and a fixing member to which the suture grasping needle is fixed.
- the stylet is formed of an elastic material at the tip, and has an annular member that can be accommodated inside the suture grasping puncture needle, and the annular member protrudes from the tip of the suture grasping puncture needle.
- the center axis of the suture insertion puncture needle or an extension thereof extending in the direction of the suture insertion puncture needle so as to penetrate the inside of the annular member,
- a delivery mechanism for sequentially sending out sutures inserted inside from the rear end of the suture insertion puncture needle in the distal direction;
- a projecting mechanism for projecting the annular member of the stylet housed inside the suture grasping puncture needle from the tip of the suture grasping puncture needle
- the delivery mechanism has a delivery guide member fixed at a position where the rear end of the puncture needle for inserting a suture thread is opened in the fixing member,
- the delivery guide member includes a guide hole communicating with a rear end of the suture insertion puncture needle, and a middle portion of the suture guided into the suture insertion needle through the guide hole.
- the medical device according to [1] further comprising a roller that is arranged so as to be capable of rotating in a pressure-contacted state, and that sequentially feeds the suture in the direction of the distal end of the puncture needle for inserting the suture by the rotating operation. Instruments.
- the protruding mechanism includes a protruding guide member fixed to the fixing member at a position where the rear end of the suture grasping puncture needle is opened.
- the protruding guide member is formed in a cylindrical shape that guides a push button disposed on the rear end side of the stylet so as to be movable in a linear direction, and the annular member serves as the puncture needle for grasping a suture thread.
- An urging means for urging in the rear end direction housed in the inner end of the piercing needle and an urging force of the urging means in which the annular member protrudes from the distal end of the suture grasping puncture needle.
- the suture insertion puncture needle and the suture grasping puncture needle have a flat plate member that is slidably passed therethrough
- a distal end of an operating rod extending substantially parallel to the suture insertion needle and the suture grasping needle is fixed to the flat plate member, and can be slid relative to the fixing member in the middle of the operating rod.
- the puncture needle for inserting a suture thread and the delivery mechanism, and two sets of the puncture needle for grasping a suture thread and the protrusion mechanism, respectively, are provided. Medical device amplifier.
- the present invention operates as follows.
- annular member at the tip of the stylet housed inside the suture grasping puncture needle protrudes from the tip of the suture grasping puncture needle by a protrusion mechanism provided on the rear end side of the suture grasping puncture needle.
- the annular member is the central axis of the suture insertion needle or its extension. The long line extends in the direction of the suture insertion needle so as to penetrate the inside of the annular member.
- the sutures inserted therein from the rear end of the suture insertion needle are sequentially sent out in the distal direction.
- the suture thread is protruded from the tip of the puncture needle, and the suture thread is passed through the annular member.
- the stylet is pulled back, and the annular member is housed inside the suture grasping puncture needle.
- the annular member is deformed so that the annular space is gradually narrowed, the suture is grasped, and finally the portion of the suture grasped by the annular member is sewn together with the annular member. It is housed inside the suture grasping needle.
- the delivery mechanism has, for example, a delivery guide member fixed at a position where the rear end of the puncture needle for inserting the suture thread is opened in the fixed member, and the delivery guide member is sewn.
- the projecting mechanism specifically includes, for example, a projecting guide member fixed to a position where the rear end of the suture grasping puncture needle is opened in the securing member, and the projecting guide member S
- the push button arranged on the rear end side of the stylet is guided in such a manner that the push button can be moved in the linear direction, and the push button is accommodated inside the puncture needle for grasping the suture in the rear end direction.
- the urging means for urging and the push button pushed toward the distal end piled on the urging force of the sliding urging means that the annular member protrudes from the tip of the suture grasping puncture needle is temporarily engaged at the position If it is provided with a locking means that can be stopped, the annular member can be projected at an easy and accurate position by simply pressing the push button with a finger.
- the puncture needle for inserting a suture thread and the puncture needle for grasping a suture thread have a flat plate member that is slidably penetrated.
- the tip of the operating rod extending almost parallel to the puncture needle for grasping the thread is fixed, the middle of the operating rod is slidably passed through the fixing member, and the flat plate member is slid on the rear end of the operating rod
- a handle for operation is provided, the positional relationship between the puncture needle for inserting the suture and the puncture needle for grasping the suture changes at the time of puncture, specifically, the distance between the puncture needles changes. (For example, close proximity) can be prevented, and if the handle is grasped and slid, the flat plate member can be moved to an arbitrary position. There is no hindrance.
- FIG. 1 is a cross-sectional view showing a medical instrument according to an embodiment of the present invention.
- FIG. 2 is a cross-sectional view showing a state in which the annular member at the tip of the stylet protrudes in the medical device according to one embodiment of the present invention.
- FIG. 3 is a side view showing a medical instrument according to one embodiment of the present invention.
- FIG. 4 is a plan view showing a medical instrument according to one embodiment of the present invention.
- FIG. 5 is an explanatory diagram for explaining the operation of the medical instrument according to one embodiment of the present invention.
- FIG. 6 is an explanatory diagram for explaining the operation of the medical instrument according to one embodiment of the present invention.
- FIG. 7 is an explanatory diagram for explaining the operation of the medical instrument according to one embodiment of the present invention.
- FIG. 8 is an explanatory diagram for explaining the operation of the medical instrument according to one embodiment of the present invention.
- FIG. 9 is an explanatory diagram for explaining the operation of the medical instrument according to one embodiment of the present invention.
- FIG. 10 is an explanatory diagram for explaining the operation of the medical instrument according to one embodiment of the present invention.
- FIG. 11 is an explanatory diagram for explaining the operation of the medical instrument according to one embodiment of the present invention.
- FIG. 12 is a perspective view showing a state in which a cover body is attached to the medical instrument according to one embodiment of the present invention.
- 1 to 12 show an embodiment of the present invention.
- FIG. 1 and 2 are longitudinal sectional views of the medical device 10 according to the present embodiment, and FIG. 3 is a side view of the medical device 10.
- the medical instrument 10 includes a suture insertion puncture needle 20 and a suture provided substantially parallel to the suture insertion puncture needle 20 at a predetermined distance from each other.
- the suture grasping needle 30, the stylet 40 slidably inserted into the suture grasping puncture needle 30, the proximal end of the suture insertion needle 20 and the suture grasping needle 30 And a fixing member 50 for fixing the portion.
- a fixing member 50 for fixing the portion.
- the puncture needle 20 for inserting a suture thread is a hollow one into which the suture thread S can be inserted, and is formed of metal, for example, stainless steel, and has a tip for puncturing the skin. Has a blade surface.
- the distal end of the suture insertion needle 20 has a blade surface cut along a plane that obliquely intersects the axis.
- the inside of the suture insertion needle 20 is a passage for guiding the suture S in one direction from the rear end to the front end of the suture insertion needle 20.
- the suture insertion puncture needle 20 is fixed to the fixing member 50 together with the suture grasping puncture needle 30, and the rear end of the suture insertion needle 20 is open to the fixation member 50. It is fixed to.
- the puncture needle 20 for inserting the suture thread any needle can be used as long as it can puncture the skin and insert the suture thread S.
- an outer diameter of 21G to 17G is preferable.
- the delivery mechanism 60 includes a delivery guide member 61 fixed at a position where the rear end of the suture insertion needle 20 is opened in the fixing member 50. Inside the delivery guide member 61, a guide hole 61a communicating with the rear end of the suture insertion needle 20 is formed.
- the guide hole 61a of the delivery guide member 61 extends in the axial direction of the suture insertion needle 20, and a hollow block 62 is attached to the body at the rear end of the delivery guide member 61. ing.
- the internal passage 62a of the block 62 is formed in a taper shape with a directional force toward the proximal end and gradually expanding in diameter so that the suture S can be inserted easily.
- the delivery guide member 61 and the block 62 are formed of a synthetic resin such as a chlorinated resin, a polyolefin such as polypropylene or polyethylene, or a polycarbonate.
- the delivery guide member 61 is arranged so as to be able to rotate in a state where it is pressed in the middle of the suture S planned inside the suture insertion needle 20 through the guide hole 61a. Accordingly, a roller 63 for sequentially sending the suture S toward the distal end of the suture insertion needle 20 is provided. Specifically, the roller 63 is rotatably supported on the inside of the delivery guide member 61 via the pivot 64, and one end side of the roller 63 faces the inner wall surface facing the inside of the guide hole 61a. The other side of the roller 63 is set to be exposed on the outer peripheral surface of the delivery guide member 61 and can be rotated by a finger.
- the suture grasping puncture needle 30 has a hollow shape in which a stylet 40 is slidably inserted, and is formed of metal, for example, stainless steel. It has a blade surface for stab.
- the suture grasping puncture needle 30 may be the same as the above-described suture insertion puncture needle 20 or the same outer diameter. Further, in order to ensure that the annular member 42 of the stylet 40, which will be described later, extends in the direction of the suture insertion needle 20, the blade surface at the tip of the suture grasping needle 30 is shown in FIG. As shown, the suture thread puncture needle opens towards the direction of 20!
- the suture grasping puncture needle 30 is fixed to the fixing member 50 together with the suture insertion needle 20.
- the rear end of the suture grasping puncture needle 30 is fixed to the fixing member 50 in an open state.
- the suture grasping puncture needle 30 is not particularly limited as long as it can puncture the skin and insert the stylet 40.
- the suture puncture needle 30 is the same as the suture puncture needle 20 described above. It is preferable to employ one having a diameter and length.
- the tip of the puncture needle 30 for grasping the suture thread is chamfered so that the thread is not broken, in the direction of the puncture needle 20 for inserting the suture thread.
- the stylet 40 is slidably inserted into the suture grasping puncture needle 30, and has a rod-like member 41 having an outer diameter smaller than the inner diameter of the suture grasping puncture needle 30.
- An annular member 42 fixed to the tip of the member 41 is formed.
- a push button 72 of a projection mechanism 70 described later is fixed to the base end of the rod-like member 41.
- the annular member 42 is formed of a coasting material. When the annular member 42 protrudes from the distal end of the suture grasping puncture needle 30, the annular member 42 has an annular shape as shown in FIG. 2 and FIG. It is deformed as described above, becomes substantially linear, and can be stored inside the puncture needle 30 for grasping a suture.
- the rod-like member 41 and the annular member 42 of the stylet 40 are slidable inside the suture grasping puncture needle 30. As shown in FIGS. 2 and 3, the annular member 42 of the stylet 40 protrudes from the distal end of the suture grasping puncture needle 30 as shown in FIGS. 2 and 3, or the extension axis thereof. Force The suture thread penetrating puncture needle is formed to extend in the direction of 20 so as to penetrate the inside of the annular member 42! /.
- the annular member 42 is fixed to the tip of the rod-like member 41 at a certain angle, and further, the annular member 42 is viewed from the side surface. It is preferable that the central portion or a curved shape with the tip side portion slightly lower than the central portion is a bottom portion. By forming in this way, the inside of the annular member 42 is surely penetrated by the central axis of the suture insertion needle 20 or its extended linear force. Further, it is preferable that the front end portion of the annular member 42 is V-shaped or U-shaped with the front end as the center, and the sewing thread gripping portion 42a is formed with a short distance. By providing the suture grasping portion 42a as described above, the force S for grasping the suture S protruding from the puncture needle 20 for inserting the suture more reliably.
- the material for forming the rod-shaped member 41 of the stylet 40 is a metal (for example, stainless steel), a composite material, or the like. Synthetic resins (for example, polyolefins such as polypropylene and polyethylene, fluororesins such as PTFE and ETFE) can be suitably used.
- the protruding mechanism 70 has a protruding guide member 71 fixed to a position where the rear end of the suture grasping puncture needle 30 is opened in the fixing member 50.
- the protruding guide member 71 is formed in a cylindrical shape that guides a push button 72 that is coaxially fixed to the rear end of the stylet 40 so as to be movable in a linear direction (coaxial direction).
- the push button 72 is formed of a synthetic resin that can be elastically deformed into a cylindrical shape having a hollow portion toward the front end portion, although a base end portion that is a portion to be pushed by a finger is formed solid. .
- the base end portion of the rod-shaped member 41 is integrally fixed to the solid base end portion while passing through the hollow portion of the push button 72.
- a coil spring 73 having a rod-like member 41 as a central axis is disposed between the end face of the front end portion of the push button 72 and the surface of the fixing member 50 inside the protruding guide member 71.
- the coil spring 73 is an urging means for urging the push button 72 toward the rear end where the annular member 42 is housed inside the suture grasping needle 30.
- a stopper 72 a and a knob 72 b that are arranged vertically apart from each other are provided on the outer periphery of the substantially center of the push button 72.
- the protruding guide member 71 has a lock groove 71a into which the stopper 72a is fitted and a guide hole in which the knob 72b is located on the upper end side in a normal state where the push button 72 is not pushed into the distal end side. 71b is provided.
- the stopper 72a, the knob 72b, the lock groove 71a, and the guide hole 71b constitute a lock means that can be temporarily locked at a position where the push button 72 is pushed to the distal end side.
- the knob 72b is pushed inwardly of the projecting guide member 71, so that the stopper 72a is detached from the upper edge of the guide hole 71b and the coil spring 73 is It is set so that it moves upward by the urging force and fits into the lock groove 71a.
- a material for forming the protruding guide member 71 a metal (for example, stainless steel), a synthetic resin (for example, a polyolefin such as polypropylene or polyethylene, or a fluorine resin such as PTFE or ETFE) can be preferably used.
- a material for forming the push button 72 a material that is easily elastically deformed, such as a synthetic resin (for example, a polyolefin resin such as a chlorinated resin, polypropylene, or polyethylene) is preferably used.
- the fixing member 50 fixes the suture needle insertion puncture needle 20 and the suture grasping puncture needle 30 in a state where the rear ends thereof are opened, whereby the suture insertion needle 20 for suture insertion. And the suture grasping puncture needle 30 are separated from each other by a predetermined distance and held in a substantially parallel state.
- the distance between the two is the length by which the suture S fixes the front abdominal wall and the visceral wall, and is preferably about 10 mm to 30 mm, for example. If the force is within the range, the anterior abdominal wall and the visceral wall can be fixed sufficiently, and the resistance when puncturing the two puncture needles 20, 30 should not be too great! .
- the fixing member 50 is a portion that becomes a grip portion when puncturing the medical instrument 10, and as shown in FIG. Furthermore, it is preferable that the fixing member 50 has a flat plate shape as shown in FIGS. 1 and 2 in order to facilitate the holding thereof.
- the fixing member 50 is formed of a synthetic resin, for example, a chlorinated resin, a polyolefin such as polypropylene or polyethylene, or a polycarbonate.
- the medical instrument 10 is a flat plate in which a suture insertion needle 20 and a suture grasping needle 30 are slidably penetrated. It is preferable to have member 80. By providing such a flat plate member 80, the distance between the puncture needle 20 for inserting the suture and the puncture needle 30 for grasping the suture changes at the time of puncture. It is possible to prevent the distance from becoming close. In addition, if it is made slidable,
- the flat plate member 80 does not hinder the puncturing operation.
- the flat plate member 80 is a rectangular plate having a flat bottom surface that does not irritate the skin as shown in FIG. You may shape
- the operating rod 81 is formed by bending a metal rod in a substantially U shape, and a handle 82 is provided at the bent portion.
- a pair of distal end portions of the operation rod 81 are integrally fixed to the upper surface side of the flat plate member 80, and the fixing member 50 is provided with a pair of small portions so as to pass through a pair of intermediate portions of the operation rod 81. A hole is drilled.
- One of the surgeons inserts the endoscope into the patient's stomach and supplies air sufficiently, filling the stomach with air and bringing the stomach body front wall into close contact with the front abdominal wall.
- Another operator or assistant power disinfects the abdominal skin, confirms the position of the stomach by the transmitted light from the endoscope, and performs local anesthesia on the abdominal wall of this site.
- the annular member 42 of the stylet 40 is a puncture needle for grasping a suture thread.
- the surgeon uses the protruding mechanism 70 to store the stylet 40 housed inside the suture grasping needle 30.
- the annular member 42 at the tip of the needle is protruded from the tip of the suture grasping puncture needle 30. Then, the annular member 42 extends in the direction of the suture insertion needle 20 so that the central axis of the suture insertion needle 20 or an extension line thereof penetrates the inside of the annular member 42.
- the tip side of the push button 72 is elastically deformed to the axial center side.
- the stopper 72a is disengaged from the lock groove 71a from the tapered surface side, moves downward and engages with the upper edge of the guide hole 7lb as shown in FIG.
- the push button 72 is temporarily locked in a state where the push button 72 is pushed into the distal end side, that is, in a state where the annular member 42 protrudes from the distal end of the suture grasping puncture needle 30.
- the annular member 42 As shown in FIG. 3, as a result of pushing the push button 72 of the protrusion mechanism 70 toward the distal end, the annular member 42 also protrudes the distal end force of the suture grasping needle 30, the annular member 42 is restored to its natural state. To do. In this state, the annular member 42 extends in the direction of the suture insertion needle 20 so that the central axis of the suture insertion needle 20 or an extension line thereof penetrates the inside of the annular member 42. Maintained.
- the delivery mechanism 60 sequentially feeds the suture S inserted inside from the rear end of the suture insertion puncture needle 20 in the distal direction to insert the suture.
- the suture thread S is caused to protrude from the tip of the puncture needle 20 for use, and the suture S is passed through the annular member 42.
- the operation of the delivery mechanism 60 may be appropriately rotated in the direction of the arrow in the figure so that the roller 63 is rolled with a finger in FIG.
- the operator operates the protruding mechanism 70 to push the push button 72 to the original protrusion. Return to the released state.
- the suture S is grasped by the suture grasping portion 42a of the annular member 42.
- the portion of the suture S grasped by the annular member 42 is It is housed inside the suture grasping puncture needle 30 together with the annular member 42.
- the surgeon removes the medical device 10 from the patient.
- the distal end portion of the suture S inserted from the suture insertion needle 20 is exposed outside the body.
- the exposed ends of the suture S are ligated. By this ligation, the stomach body front wall 110 and the abdominal wall 100 are fixed.
- the medical instrument 10 is punctured again almost parallel to a position separated from the ligated portion by the suture S by a predetermined distance, for example, about 20 to 30 mm, and the abdominal wall 100 is used by using the suture S as described above. And the gastric body front wall 110 are fixed.
- the medical instrument 10 used for puncture may be the one used for puncture as described above or may be prepared separately.
- a metal needle 121 having a blade surface at the tip, and a resin tube breakable in the axial direction through which the metal needle 121 is passed.
- a balloon catheter 123 is inserted into the tube 122 as shown in FIG.
- the balloon is inflated with distilled water or the like, and the proximal end of the tube 122 is expanded. Pull the part outward in two directions, break the tube 122 in the axial direction, and remove it from the patient.
- the balloon catheter 123 is pulled toward the proximal end, the inflated balloon portion is brought into close contact with the stomach body front wall 110, and an appropriate fixing tool is attached to the balloon force antenna 123 in the portion exposed from the skin surface.
- the balloon catheter 123 is fixed to the front wall 110 of the stomach body. This completes the endoscopic gastrostomy.
- medical device 10 since medical device 10 according to the present embodiment has flat plate member 80, the positional relationship between suture insertion needle 20 and suture grasping needle 30 changes during puncturing. , Specifically, the force is used to prevent the distance between the puncture needles 20 and 30 from changing (for example, approaching).
- the flat plate member 80 can be moved to an arbitrary position, and the flat plate member 80 does not hinder the puncturing operation at the time of puncturing. Furthermore, as shown in FIG. 12, by including a cover body 90 that can house components such as the suture insertion needle 20, the suture grasping needle 30, and the fixing member 50 described above, The medical instrument 10 can be easily operated by holding it with one hand.
- suture insertion needle 20 and the delivery mechanism 60, and the suture grasping needle 30 and the protrusion mechanism 70 may be provided in pairs of two.
- Each specific configuration can be the same as the medical instrument 10 described above.
- Each base end portion of the grasping puncture needle 30 may be configured to be fixed to the fixing member 50 so as to form a square apex. According to such a configuration, the abdominal wall 100 and the stomach body front wall 110 can be easily and securely fixed at two locations simultaneously in a short time. This medical device 10 is extremely small in one puncture, and the burden on the patient is small.
- a flat plate member 80 that is slidably penetrated by four puncture needles 20, 20, 30, 30. Providing such a flat plate member 80 prevents the positional relationship between the four puncture needles from changing at the time of puncture, and specifically, preventing the distance between the puncture needles from changing (for example, approaching each other). Further, since it is slidable, the flat plate member 80 does not hinder the puncturing operation during puncturing.
- the extending linear force of the central axis of the suture insertion puncture needle 20 is configured to penetrate the inside of the annular member 42.
- the suture grasping puncture of the annular member 42 is performed.
- Needle 30 is inserted if it does not interfere with the protrusion and storage of needle 30.
- the center axis of the puncture needle 20 for a needle in other words, the distal end portion itself of the puncture needle 20 for inserting a suture thread may be configured to directly penetrate the annular space formed by the annular member 42.
- the delivery mechanism 60 is configured to send out the suture S by rotating one roller 63.
- two rollers that are rotatably held together are prepared.
- the direction of the rotation of the roller and the suture S are sent out. You may set it so that it may be a forward feed that matches the direction.
- the projecting mechanism 70 is configured to project the annular member 42 by pushing the push button 72, and to release the projecting state by a knob 72b provided separately from the push button 72.
- a knob 72b provided separately from the push button 72.
- it may be configured such that only the push button 72 is pushed to alternately project or immerse.
- the projecting mechanism 70 is arranged so as to be able to rotate in a state of being pressed against the stylet 40 in place of the push button 72 and the like, and the stylet 40 is sutured by the rotation operation. It may be configured to include a roller that sequentially feeds the grasping puncture needle 30 toward the distal end.
- the operation of sequentially feeding the suture thread inserted into the suture thread insertion puncture needle in the distal direction and the storage of the suture thread grasping needle By making it easy to perform the operation of protruding or immersing the annular member of the stylet from the tip with one hand, only one operator can perform ligation and endoscopic operation, The procedure can be performed efficiently and safely with only one surgeon or with two surgeons and assistants.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN2007800174302A CN101500496B (zh) | 2006-05-30 | 2007-05-24 | 医疗用器械 |
DE112007001095.9T DE112007001095B4 (de) | 2006-05-30 | 2007-05-24 | Medizinisches Instrument |
US12/227,068 US20090264905A1 (en) | 2006-05-30 | 2007-05-24 | Medical Instrument |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006-149069 | 2006-05-30 | ||
JP2006149069A JP5010178B2 (ja) | 2006-05-30 | 2006-05-30 | 医療用器具 |
Publications (1)
Publication Number | Publication Date |
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WO2007138981A1 true WO2007138981A1 (ja) | 2007-12-06 |
Family
ID=38778501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2007/060625 WO2007138981A1 (ja) | 2006-05-30 | 2007-05-24 | 医療用器具 |
Country Status (5)
Country | Link |
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US (1) | US20090264905A1 (ja) |
JP (1) | JP5010178B2 (ja) |
CN (1) | CN101500496B (ja) |
DE (1) | DE112007001095B4 (ja) |
WO (1) | WO2007138981A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE112008003765B4 (de) * | 2008-03-12 | 2017-12-21 | Masaki Funada | Medizinisches Instrument |
US10463363B2 (en) | 2014-04-08 | 2019-11-05 | Quantum Medical Innovations Llc | Suture passer |
CN113598904A (zh) * | 2021-08-10 | 2021-11-05 | 张加永 | 一种内科手术用盆底手术穿刺器 |
Families Citing this family (23)
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US9226748B2 (en) * | 2007-07-26 | 2016-01-05 | Alpha Scientific Corporation | Surgical suturing device, method and tools used therewith |
US8303607B2 (en) * | 2007-09-26 | 2012-11-06 | Yutaka Suzuki | Medical device |
DE112008003764B4 (de) | 2008-03-12 | 2014-09-25 | Masaki Funada | Medizinisches Instrument |
JP4814273B2 (ja) * | 2008-03-12 | 2011-11-16 | 昌貴 鮒田 | 医療用器具 |
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JP5738039B2 (ja) * | 2011-03-31 | 2015-06-17 | 日本コヴィディエン株式会社 | 医療用縫合具 |
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Also Published As
Publication number | Publication date |
---|---|
US20090264905A1 (en) | 2009-10-22 |
DE112007001095B4 (de) | 2019-07-04 |
CN101500496B (zh) | 2011-01-12 |
JP2007319169A (ja) | 2007-12-13 |
CN101500496A (zh) | 2009-08-05 |
DE112007001095T5 (de) | 2009-05-07 |
JP5010178B2 (ja) | 2012-08-29 |
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