WO2006098155A1 - 縫合器 - Google Patents
縫合器 Download PDFInfo
- Publication number
- WO2006098155A1 WO2006098155A1 PCT/JP2006/303900 JP2006303900W WO2006098155A1 WO 2006098155 A1 WO2006098155 A1 WO 2006098155A1 JP 2006303900 W JP2006303900 W JP 2006303900W WO 2006098155 A1 WO2006098155 A1 WO 2006098155A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gripping
- needle
- tissue
- grasping
- pieces
- Prior art date
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- 0 CCCC1CCC(C*)CC(C(CC2)C2(CC*)C2)C2CC1 Chemical compound CCCC1CCC(C*)CC(C(CC2)C2(CC*)C2)C2CC1 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive 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
- A61B17/0469—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
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
-
- 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
- A61B2017/003—Steerable
-
- 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
- A61B2017/0417—T-fasteners
-
- 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
- A61B2017/0454—Means for attaching and blocking the suture in the suture anchor the anchor being crimped or clamped on the suture
-
- 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
- A61B2017/0464—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
-
- 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
- A61B17/0487—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
-
- 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
- A61B2017/0496—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials for tensioning sutures
-
- 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
-
- 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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
- A61B2017/3447—Linked multiple cannulas
-
- 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
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/361—Image-producing devices, e.g. surgical cameras
- A61B2090/3614—Image-producing devices, e.g. surgical cameras using optical fibre
Definitions
- the present invention relates to a suturing device used for suturing a tissue piece.
- the needle portion is formed in a cylindrical shape, and a T bar connected to the connecting thread is passed through the cylindrical hole.
- the needle portion when the needle portion is advanced with respect to the grasping portion while a part of the thin-film living tissue is grasped by the grasping portion, the needle portion penetrates the living tissue. Then, the ⁇ bar is fed into the living tissue with the needle portion penetrating the living tissue. Then, by pulling the connecting thread, the ⁇ bar is caught inside the living tissue, and this causes a part of the living tissue to protrude forward. And this protruding part is cut off.
- a suturing device when a plurality of tissue pieces are sutured, a suturing device has been used in which a plurality of tissue pieces are stitched together with a needle thread, or a plurality of tissue pieces are sandwiched between clips.
- Patent Document 1 JP 2002-330973 A
- An object of the present invention is to provide a suture instrument that can reliably suture a plurality of tissue pieces and can significantly reduce the burden on a patient. Means for solving the problem
- the present invention provides the following means.
- the present invention includes a grasping portion that sandwiches and grasps a plurality of tissue pieces, and a suture needle that penetrates and sutures the plurality of tissue pieces, and the suture needle is supported to be able to advance and retreat with respect to the grasping portion.
- the advancing / retreating direction of the suturing needle is set in a direction intersecting with the tissue piece grasped by the grasping portion.
- tissue pieces are separated from each other by, for example, folds or the like that are present separately. Also included are tissue pieces facing each other across the part. That is, “a plurality of tissue pieces” refers to tissue pieces at least partially separated.
- the present invention further includes a grasping portion having a grasping surface for sandwiching and grasping a plurality of tissue pieces, and a suturing needle for penetrating and suturing the plurality of tissue pieces, and the suturing needle includes the grasping device
- the advancing / retreating direction of the suturing needle when penetrating at least the tissue piece is set to a direction intersecting with a plane including the grasping surface.
- "at least” means, for example, when inserting a grasping portion and a suture needle into a body cavity, or inserting the grasping portion and the suture needle into a body cavity other than when penetrating a plurality of tissue pieces with a suture needle. In the case of sending both of them toward a plurality of tissue pieces, it is not necessary to cross the above-mentioned, and it is only necessary to cross when penetrating! It means.
- the gripping tool includes gripping pieces each provided with the gripping surface and movable in a direction approaching and separating from each other, and the gripping surfaces are brought close to each other.
- the tissue piece When the tissue piece is grasped via the at least one force of the grasping surface, it may be arranged at a position facing the suturing needle.
- the suturing needle is substantially on the same plane as a plane including an imaginary line extending in a direction in which the plurality of gripping pieces approach and separate from each other and an axis extending in the advancing / retreating direction of the suturing needle.
- it may be arranged on the opposite side of the other gripping piece with one gripping piece as a reference.
- the grip portion is directed in a direction intersecting with the advancing / retreating direction of the suture needle. Further, a changing means for changing the orientation of the gripping part may be provided.
- an elongated sheath is provided, and the grip portion and the suture needle are
- sheath In the sheath, they may be arranged in parallel to each other and supported so as to be able to advance and retreat.
- the suture needle can be easily penetrated through the plurality of tissue pieces by simply advancing the suture needle while holding the plurality of tissue pieces, the plurality of tissues The piece can be securely sutured, and the burden on the patient can be greatly reduced by using a flexible endoscope.
- FIG. 1 shows a first embodiment of a suturing device according to the present invention, and is a perspective view showing a state of being inserted through an endoscope.
- FIG. 2 is an enlarged side view showing the grasping forceps of FIG.
- FIG. 3 is a side view showing a modified example of the grasping forceps of FIG.
- FIG. 4 is a perspective view showing a state in which the suture needle of FIG. 1 is arranged in the insertion portion.
- FIG. 5 is an explanatory view showing a state in which the engaging member and the locking member of FIG. 4 are connected.
- FIG. 6 is an explanatory view showing a state in which the fastener of Fig. 1 is arranged in the sheath for fastening.
- FIG. 7 is an explanatory view showing a state in which the insertion portion of the endoscope is brought close to the tissue opening in the body cavity.
- FIG. 8 is an explanatory view showing a state where a plurality of tissue pieces are grasped by a grasping portion.
- Fig. 9 is an explanatory view showing a state when a suture needle is penetrated through a plurality of tissue pieces grasped by a grasping portion.
- FIG. 10 is an explanatory view showing a state in which a suture needle is penetrated through a plurality of tissue pieces grasped by a grasping portion.
- FIG. 11 is an explanatory view showing a state in which the tip of the suture is held by a fastener.
- FIG. 12 is an explanatory view showing a state in which the locking member is moved by advancing the tightening sheath.
- FIG. 13 is an explanatory view showing a state in which a plurality of tissue pieces are sutured by closing a tissue opening. It is.
- FIG. 14 is a view showing a modification of the endoscope of FIG. 1, and is an explanatory view showing a state in which an external curved channel is used.
- FIG. 15 is a view showing a modification of the endoscope of FIG. 1, and is an explanatory view showing a state in which the endoscope for side view is used.
- FIG. 16 is a view showing a modification of the endoscope of FIG. 1, and is an explanatory view showing a state in which two external curved channels are used.
- FIG. 17 is a view showing a modification of the endoscope of FIG. 1, and is an explanatory view showing a state in which a guide tube is used.
- FIG. 18 is an explanatory view showing a main part of a second embodiment of the suturing device according to the present invention.
- FIG. 19 is a front view showing the grip portion and the suture needle of FIG.
- FIG. 20 is a view showing a modification of the gripping part and the suture needle of FIG. 19, and is an explanatory view showing a state in which two suture needles are provided.
- FIG. 21 is an explanatory view showing a state where two suture needles are penetrated into a plurality of tissue pieces grasped by the grasping portion of FIG.
- FIG. 22 is a view showing a modification of the gripping part and the suture needle of FIG. 19, and is an explanatory view showing a state in which two gripping parts are provided.
- FIG. 23 is an explanatory view showing a state in which a suture needle is penetrated into a plurality of tissue pieces grasped by two grasping portions in FIG.
- FIG. 24 is a side view showing an essential part of a third embodiment of the suturing device according to the present invention.
- FIG. 25 is a view showing a modification of the gripping piece of FIG. 24, and is an explanatory view showing a state in which a notch is provided in the gripping piece.
- FIG. 26 is an explanatory view showing a state in which a plurality of tissue pieces gripped by the gripping pieces of FIG. 25 are penetrated through the notches.
- FIG. 27 is an explanatory view showing a state in which the grasping portion shown in FIG. 24 is retracted to the distal end of the insertion portion while grasping a plurality of tissue pieces.
- FIG. 28 is a perspective side view showing a fourth embodiment of the suture instrument according to the present invention.
- FIG. 29 is an explanatory view showing a state in which the grasping portion of FIG. 28 is advanced toward the tissue opening. It is.
- FIG. 30 is an explanatory view showing a state in which a plurality of tissue pieces are gripped by the gripping portion of FIG. 28 and the tissue wall is opposed to the suture needle.
- FIG. 31 is an explanatory view showing a state where a plurality of tissue pieces are grasped by the grasping portion of FIG. 28 and a suture needle is penetrated.
- the suturing device 1 according to the present embodiment is used together with an endoscope 2 to suture an affected area. It is.
- the endoscope 2 includes a first endoscope 2a that supports a later-described needle forceps 5 and a fastening tool 6, and a second endoscope 2b that supports a later-described grasping forceps 7.
- the first endoscope 2a and the second endoscope 2b are configured to be connected by the connecting member 22 in a state of being arranged next to each other.
- the first endoscope 2a includes an insertion portion 10a that is inserted into a body cavity, and an operation portion 11a that supports the insertion portion 10a.
- the insertion portion 10a, the operation portion 1 la, Are connected via a connecting part 17a.
- the insertion portion 10a includes a bending portion 13 that can be bent.
- a first channel 23 and a second channel 24 are provided in the insertion portion 10a.
- the distal end portion 9 of the insertion portion 10a is provided with outlet opening portions 23a and 24a communicating with the first channel 23 and the second channel 24. In the vicinity of these outlet openings 23a and 24a, Observation means 14 is provided for obtaining an image.
- the operation portion 11a is provided with an operation knob 16a connected to the bending portion 13 via a wire (not shown).
- the operation knob 16a By operating the operation knob 16a, the bending portion 13 is moved up and down. It is curved in the left-right direction so that the tip 9 can be directed in a desired direction.
- the left-right direction means the arrangement direction of the insertion portion 10a of the first endoscope 2a and the insertion portion 10b of the second endoscope 2b, and the vertical direction means the arrangement direction thereof.
- the direction perpendicular to the direction shall be said.
- forceps ports 19 and 20 are provided in the connecting portion 17a, and these forceps ports 19 and 20 are respectively connected to the outlet openings 23a and 23 through the first channel 23 and the second channel 24, respectively.
- 24a [Communicate]
- the second endoscope 2b has the same basic configuration as the first endoscope 2a, and only different points will be described here.
- the second endoscope 2b is configured as a one-channel scope in which the observation means 14 is not provided. That is, a channel 28 is provided in the insertion portion 10b, a forceps port 27 is provided on the proximal end side, and an outlet opening 28a is provided on the distal end side.
- the insertion portion 10b includes a two-way bending portion 29 that can be bent in the left-right direction, that is, a direction in which the insertion portion 10b is close to and away from the insertion portion 10a, and a four-direction bending portion that can be bent in the vertical and horizontal directions. 30 and is provided.
- the suturing device 1 includes a grasping forceps 7, a needle forceps 5, and a fastener 6.
- the grasping forceps 7 includes a protective sheath 32 that extends in a tubular shape, a forceps sheath 92 that passes through the protective sheath 32, and a grasping forceps operation unit 31 that supports the forceps sheath 92.
- the forceps sheath 92 also includes a member having torque transmission, such as a multi-strand coil or a meshed tube.
- the grasping forceps operation section 31 includes a long operation main body 34 connected to a forceps sheath 92, and a slider 36 inserted through the operation main body 34 and supported so as to be able to advance and retreat.
- the slider 36 is connected to a proximal end portion of an operation wire (not shown), and a distal end portion of the operation wire is a handle for grasping a tissue piece.
- a holding part 40 is provided.
- the gripping part 40 includes a gripping piece 35 that is connected to each other about a hinge shaft 37 so as to be openable and closable.
- a plurality of tissue pieces S 1 and S shown in FIG. 7 are grasped in a portion disposed inside (the overlapping portion) when the grasping pieces 35 are closed to each other.
- a gripping surface 38 for 1 2 is formed.
- the gripping surface 38 extends in the length direction of the gripping piece 35, and the gripping surface 38 has a plurality of protrusions 39 at positions facing each other when the gripping pieces 35 are closed to each other. Each is provided. Further, the tip of the gripping piece 35 is provided with a projecting part 42 directed in the length direction of the gripping piece 35. The projecting portion 42 is provided so that a plurality of tissue pieces SI and S2 arranged at positions facing the grasping portion 40 can be easily sandwiched. In other words, if the tip of the gripping piece 35 faces each other when the gripping piece 35 is closed to each other, it is difficult to sandwich the tissue pieces SI and S2 arranged at positions facing the gripping part 40.
- the tissue pieces SI and S2 arranged at the opposing positions can be easily hooked and grasped. Furthermore, when the second endoscope 2b is inserted into the channel 28, the inner wall of the channel 28 can be protected by pulling the grip portion 40 into the protective sheath 32.
- the gripping pieces 35 are opened and closed with respect to each other via the operation wire. That is, the gripping piece 35 moves in a direction approaching and separating from each other.
- the gripping portion 40 is not limited to the one described above, and can be changed as appropriate.
- the gripping piece 35 is also a member having elasticity, and when the gripping piece 35 is projected from the forceps sheath 92, the gripping pieces 35 are formed so as to be opened to each other, When the slider 36 is retracted and the gripping piece 35 is immersed in the forceps sheath 92, the gripping piece 35 is It may be deformed and housed in the protective sheath 32.
- the above-described needle forceps 5 includes a protective sheath 43 extending in a tubular shape, and a needle sheath 93 is passed through the protective sheath 43.
- a tubular needle knob 45 is provided at the proximal end portion of the needle sheath 93, and a tubular suture needle 48 for penetrating a plurality of tissue pieces SI and S2 is provided at the distal end portion of the needle sheath 93.
- the distal end of the suturing needle 48 is a sharp point inclined at an acute angle, and is configured to facilitate penetration into the tissue pieces SI and S2.
- the needle sheath 93, the needle knob 45 and the suture needle 48 are threaded with a pusher 49 shown in FIG. It has been. Then, the pusher knob 46 is advanced and retracted relative to the needle knob 45 so that the pusher 49 is advanced and retracted within the suture needle 48.
- an engagement member 53 attached to the suture thread 52 is accommodated in the suture needle 48, and the lock member 54 is a protective sheath 43. It will be stored in!
- the engaging member 53 has a cylindrical member force, and the proximal end of the suture thread 52 that passes through the living tissue is locked near the center in the longitudinal direction.
- the lock member 54 functions as a retainer for the suture thread 52 after suture.
- the lock member 54 includes a base portion 56 extending in a plate shape, and two bent pieces 57 raised so that both end forces in the length direction of the base portion 57 face each other at a predetermined angle.
- the part 56 and the bent piece 57 are integrally connected by an elastic member.
- An opening 59 is formed at the center of the base 56.
- Protruding pieces 58 are provided at the tips of the bent pieces 57, and these protruding pieces 58 are alternately engaged.
- the suture thread 52 is passed through the engaging portion 60 and the opening 59 of both protruding pieces 58, and the distal end of the suture thread 52 extending from the opening 59 through the engaging portion 60 is opened.
- the engagement member 53 is provided at the base end of the suture thread 52 that is free and extends through the opening 59.
- the above-described fastening tool 6 includes a fastening sheath 64 that extends in a tubular shape, and a main body portion 62 that is inserted through the fastening sheath 64.
- a tightening operation portion 63 is provided at the base end portion of the main body portion 62.
- the tightening operation portion 63 includes an operation main body portion 34a and a slider 36a, which have the same configuration as the operation main body portion 34 and the slider 36 described above, and thus description thereof is omitted here.
- a clip piece 66 that opens and closes around a hinge shaft 65 is provided at the tip of the main body 62. Then, by moving the slider 36a forward and backward, the clip pieces 66 are opened and closed with respect to each other via the operation wire.
- the needle forceps 5 is inserted from the forceps port 19 and the clamp 6 is inserted from the forceps port 20, so that the protective sheath 43 and the clamps are tightened.
- the attaching sheath 64 is fed, the needle forceps 5 and the fastener 6 are supported in the insertion portion 10a so as to be able to advance and retract.
- the suture needle 48 and the pinching piece 66 come and go out from the outlet openings 23a and 24a, respectively. Yes.
- the needle knob 45 when the needle knob 45 is advanced by a predetermined amount while the lock member 54 and the engagement member 53 are housed in the protective sheath 43, the lock member 54 is pushed by the suture needle 48, and the lock member 54 shown in FIG. The tip force of the protective sheath 43 is also lost. Further, when the pusher knob 46 is advanced by a predetermined amount, the pusher 49 pushes the engaging member 53 so that the tip force of the suture needle 48 falls off.
- a suture needle 48 is advanced and retracted on an axis L extending in a direction intersecting the surface M. That is, in a state where the plurality of tissue pieces S 1, S are held, at least the plurality of tissue pieces S
- the plane M and the advancing / retreating direction of the suture needle 48 should be perpendicular to each other.
- the force of the parts facing each other across the tissue opening 70 is a plurality of tissue pieces separated by the tissue opening 70, and these plurality of tissue pieces are denoted by symbols S and S, respectively.
- the grasping forceps 7 are inserted into the insertion portion 10b, and the needle forceps 5 and the fastener 6 are inserted into the insertion portion 10a in a state where the lock member 54 and the engagement member 53 are accommodated in the protective sheath 43. Let me. With these insertions, the insertion portions 10a and 10b are both inserted into the body cavity and sent. Then, while observing the observation image projected on the monitor (not shown) through the observation means 14, when the distal end portion 9 is disposed in the vicinity of the tissue opening 70, the progression of the insertion portions 10a and 10b is stopped. .
- the needle knob 45 and the operation main body 34 are advanced to cause the suture needle 48 and the gripping portion 40 to protrude from the insertion portions 10a and 10b. Then, by operating the operation knob 16b, as shown in FIG. 8, the two-way bending portion 29 is bent in the left direction, that is, in the direction away from the insertion portion 10a. Then, by operating the operation knob 16b, the four-direction bending portion 30 is bent in the right direction or the vertical direction, and the grasping portion 40 is brought close to the tissue opening 70.
- the gripper 40 may be rotated via the operation main body 34 so that the gripper 40 is arranged at an appropriate position * angle.
- the opening / closing direction of the grip piece 35 that is, the grip direction can be changed. Therefore, for example, when a tissue opening 70 extending in the length direction is formed in a thin tube or the like, the direction of the approach of the grasping portion 40 is limited, but by changing the grasping direction, the tissue opening Part 70 can be easily closed.
- the grasping portion 40 is moved to a position where the tissue opening 70 is disposed between the grasping pieces 35 that are further opened. And In the state where the protruding portion 42 of the grasping piece 35 is in contact with the tissue pieces S and S, respectively, the slider
- the grasping piece 35 is closed to each other, and the plurality of tissue pieces S 1 and S are grasped via the grasping surface 38. At this time, the plurality of tissue pieces S and S force S are pulled and started up. As a result, the raised site becomes the tissue wall 69.
- the bending portion 13 is bent leftward or upward / downward, and the suture needle 48 reaches a position facing the tissue wall 69.
- Move 48 At this time, when the suture needle 48 is advanced or retracted via the needle knob 45, the advance / retreat direction is set to be in the extending direction of the axis L and orthogonal to the plane M. From this state, the needle knob 45 is advanced by a predetermined amount, the lock member 54 is pushed in via the suture needle 48, and the distal end force of the protective sheath 43 is also removed.
- the suture needle 48 advances on the axis L, and the suture needle 48 pierces the tissue wall 69 while the lock member 54 remains on the front side of the tissue wall 69.
- the suture needle 48 penetrates the plurality of tissue pieces S 1 and S, and the tip of the suture needle 48 is
- the pusher knob 46 is advanced to remove the engaging member 53 from the distal end force of the suture needle 48 as well. Then, the suture needle 48 is retracted and accommodated in the insertion portion 10a. Then, the suture thread 52 was left, and the plurality of tissue pieces S and S were penetrated.
- the engagement member 53 is disposed on the back side of the tissue wall 69 and the lock member 54 is disposed on the front side through the suture thread 52. From this state, the operation main body 34a is advanced so that the pinching piece 66 protrudes from the insertion portion 10a, and the pinching piece 66 is fed until the pinching piece 66 is arranged in the vicinity of the lock member 54. Then, by retracting the slider 36a and closing the pinching pieces 66, the leading end of the suture 52 is pinched as shown in FIG. 11, whereby the suture 52 is held.
- the tightening sheath 64 is advanced to contact the lock member 54 beyond the pinching piece 66 as shown in FIG.
- the lock member 54 is pressed in the direction approaching the engagement member 53 while the suture thread 52 is held.
- the hook member 54 moves.
- the tightening sheath 64 is further advanced, and the lock member 54 is moved.
- FIG. 13 a plurality of tissue pieces S 1, S 1S lock members 54 and
- the suture needle 48 is disposed at a position facing the tissue wall 69 in a state where the plurality of tissue pieces S 1 and S are gripped by the gripping portion 40.
- the suturing needle 48 can be easily penetrated across the plurality of tissue pieces S 1, S only by advancing the suturing needle 48. That
- the locking member 54 can be used to perform a treatment using a flexible endoscope that can reliably maintain the closed state of the tissue opening 70 over a long period of time, the burden on the patient is greatly reduced. It can be reduced.
- the force that the first endoscope 2a is multi-channel and the second endoscope 2b is one channel is not limited to this, and the combination thereof can be changed as appropriate. is there.
- the grasping forceps 7 and the fastening tool 6 may be inserted through the first endoscope 2a.
- the first endoscope 2a is set as one channel, the needle forceps 5 is inserted, the needle forceps 5 is extracted after penetrating the plurality of tissue pieces S, S, and the clamp 6 is inserted into the channel.
- an external curved channel may be provided in the first endoscope 2a without using two endoscopes.
- the force using the fastener 6 is not limited to this, and the fastener 6 may be omitted. In that case, it is sufficient to extend the suture 52 to the proximal side and hold it down.
- the force provided to the second endoscope 2b with the two-direction bending portion 29 is not limited to this. At least one of the first endoscope 2a and the second endoscope 2b is applied. What is necessary is just to provide. Furthermore, the force gripping portion 40 and the suture needle 48 provided with the two-way bending portion 29 are brought close to and separated from each other. The configuration to be separated is not limited to this, and can be changed as appropriate. For example, as shown in FIG. 14, the gripping forceps 7 may be inserted into the channel 75 and the raising base 73 may be provided at the outlet opening 76. FIG. 14 shows an example in which the needle forceps 5 is passed through the external curved channel 72! /.
- FIG. 15 a side-view or perspective endoscope 78 may be used.
- a raising base 73 is provided at the outlet opening 76 so that the gripping portion 40 and the suture needle 48 are brought close to and separated from each other. 72 is used.
- a plurality of external curved channels 72 may be used. Thereby, more advanced treatment is possible.
- a guide tube 79 having a forceps channel can be used.
- the insertion portion 1 of the endoscope 2 is inserted into the guide tube 79.
- the needle forceps 5 is not limited to this, and the combination can be changed as appropriate.
- the positional relationship between the grasping portion 40 and the suture needle 48 is not particularly defined, but in the present embodiment, the positional relationship between them is clarified.
- the suturing needle 48 is arranged so that its advancing / retreating direction is parallel to the advancing / retreating direction of the grasping portion 40 when inserted into the body cavity. .
- the suture needle 48 includes a virtual ⁇ J extending in the direction in which one gripping piece 35a and the other gripping piece 35b approach and separate from each other, and an axis N extending in the advancing and retreating direction when the suture needle 48 is inserted. Including It is placed on the same plane as the plane P.
- the suture needle 48 is on the plane P and The other gripping piece 35b is arranged on the opposite side with the other gripping piece 35a as a reference.
- the suture needle 48 can surely penetrate the plurality of tissue pieces S, S held by the grasping portion 40 that is not arranged coaxially with the grasping portion 40.
- one gripping part 40 and one suture needle 48 are provided, but the number of installations is not limited to this, and the number can be changed as appropriate.
- two suture needles 48 may be provided as shown in FIG. That is, at the time of the insertion, the two suture needles 48 are opposed to each other and arranged on substantially the same plane as the plane P. Thereby, as shown in FIG. Of suture needle 48 penetrated
- the tissue opening 70 can be tightly and reliably closed.
- two gripping portions 40 may be provided. That is, at the time of the insertion, the two gripping portions 40 are opposed to each other and arranged on the substantially same plane as the plane P.
- FIG. 24 shows a third embodiment of the present invention.
- This embodiment and the second embodiment have the same basic configuration, and are different from each other in the following points.
- the gripping pieces 35 are entirely hinged shafts. It is designed to rotate around 37. Further, the gripping portion 40 is biased by a biasing member (not shown) so as to rotate about the hinge shaft 37 and to be directed to the side where the suture needle 48 is disposed. Thereby, in a state where the gripping part 40 is accommodated in the insertion part 10, the gripping part 40 is arranged so that the gripping piece 35 is directed in the advancing and retreating direction of the gripping part 40, while the gripping part 40 protrudes from the insertion part 10.
- the gripping portion 40 is rotated so as to be directed to the side where the suture needle 48 is disposed.
- the gripping surface 38 is substantially opposite to the suture needle 48.
- the plane M including the gripping surface 38 and the axis N extending in the forward / backward direction when the suture needle 48 is inserted are orthogonal to each other.
- the hinge shaft 37 functions as a changing means for changing the orientation of the grip portion 40.
- the gripping section 40 is caused to protrude from the insertion section 10 and the gripping section 40 is rotated. Then, a plurality of tissue pieces S and S arranged at positions facing the grasping unit 40 are grasped.
- a tissue wall 69 is disposed at a position facing 1 2 and the suture needle 48, that is, in front. Therefore, when the suture needle 48 is advanced, the suture needle 48 advances on the axis L and penetrates the plurality of tissue pieces S and S.
- the suture needle 48 can be obtained simply by grasping the plurality of tissue pieces S 1, S by the grasping portion 40.
- the axis L at the time of penetration and the axis N at the time of insertion can be made to coincide with each other, so that it can be sutured more easily.
- the shape of the gripping portion 40 can be changed as appropriate.
- the gripping pieces 35a and 35b may be respectively formed with notches 80 extending along the length direction of the gripping pieces 35a and 35b. Then, as shown in FIG. 26, when the suture needle 48 is advanced while the plurality of tissue pieces S 1 and S are held by the holding portion 40, the suture needle 48 moves inside the notch 80.
- the force with which the suture needle 48 is penetrated in a state where the gripping portion 40 is directed to the suture needle 48 side is not limited to this.
- FIG. As shown, the grasping portion 40 in a state of grasping the plurality of tissue pieces S 1 and S is pulled to the insertion portion 10 to grasp the grasping pieces 35a and 35b.
- the holding part 40 may be directed in the advancing / retreating direction. As a result, a plurality of tissue pieces S and S are extended.
- the tissue wall 69 can be reliably disposed in front of the suture needle 48, and the plurality of tissue pieces S 1 and S can be easily penetrated.
- the grip portion 40 is rotated around the hinge shaft 37, but the configuration is not limited to this, and the configuration can be changed as appropriate.
- protection It is also possible to configure the gripping portion 40 to be directed toward the suture needle 48 by the protective sheath 32 when the grip 32 is attached to the needle 32 and the gripping portion 40 protrudes from the insertion portion 10.
- This embodiment and the second embodiment have the same basic configuration, and are different from each other in the following points.
- the suturing device 1 includes an elongated support sheath 83.
- a grasping forceps penetration channel 84 and a needle forceps penetration channel 85 are formed in the support sheath 83, and the grasping forceps 7 and the needle forceps 5 are inserted through the support sheath 83, respectively.
- a rod-shaped member 87 oriented in a direction perpendicular to the advancing / retreating direction of the grasping forceps 7 is provided.
- the support sheath 83 is configured to support the grasping forceps 7 and the needle forceps 5 so as to be able to advance and retreat in a state of being arranged in parallel with each other. As shown in FIG. 29, it is inserted into the channel 75 of the endoscope 2.
- joint portions 90a and 90b that are joined to each other when the gripping pieces 35a and 35b are closed are provided at the base ends of the gripping pieces 35a and 35b.
- the tip ends of the gripping pieces 35a and 35b are formed in a bowl shape, and the tips intersect when the gripping pieces 35a and 35b are closed to each other.
- the gripping portion 40 when the gripping portion 40 is caused to protrude also by the distal end force of the support sheath 83 and advanced by a predetermined amount, the rod-shaped member 87 is arranged between the joint portions 90a and 90b, and thereby the gripping pieces 35a and 35b force S are mutually connected. It has come to expand.
- the grasping portion 40 is advanced to a position facing the tissue opening 70, and the tips of the grasping pieces 35a and 35b are brought into contact with the plurality of tissue pieces S and S. , Grip piece 35a, 3
- the grasping forceps 7 and the needle forceps 5 can be passed through one channel 75 of the endoscope 2, so that the grasping forceps 7 and the needle forceps 5 can be brought close to each other, and a plurality of tissues Of the pieces S 1 and S, it is possible to penetrate and sew the portion immediately adjacent to the opened portion. Also,
- the suturing device 1 can be easily inserted and removed by simply inserting and removing the support sheath 83 with the insertion portion 10 inserted into the body cavity.
- the procedure for closing the tissue opening 70 has been described.
- the present invention is not limited to this, and may be applied as long as a plurality of tissue pieces are sutured. Can do.
- the folds formed on the stomach wall or the like may be sutured as a plurality of tissue pieces.
- the force that makes the advancing direction of the suture needle 48 perpendicular to the plane M at the time of penetration is not limited to this angle, and the angle can be changed as appropriate within the crossing range.
- the present invention includes a gripping portion that sandwiches and holds a plurality of tissue pieces, and a suture needle that penetrates and sutures the plurality of tissue pieces, and the suture needle can advance and retreat with respect to the gripping portion.
- the advancing / retreating direction of the suturing needle is set in a direction crossing the tissue piece grasped by the grasping portion.
- a plurality of tissue pieces are grasped by the grasping portion, and the suturing needle advances and retreats with respect to the grasping portion in a direction intersecting with the grasped tissue pieces.
- the suture needle can be easily penetrated across the plurality of tissue pieces only by advancing the suture needle while holding the plurality of tissue pieces.
- the present invention includes a grasping portion having a grasping surface for sandwiching and grasping a plurality of tissue pieces, and a suturing needle for penetrating and suturing the plurality of tissue pieces, and the suturing needle includes the grasping portion
- the suture needle is supported at least when penetrating the tissue piece.
- the advancing / retreating direction is set to a direction intersecting with the plane including the gripping surface.
- the plurality of tissue pieces are gripped by the gripping surface provided in the gripping portion, and the suture needle advances and retreats with respect to the gripping portion.
- the suture needle advances and retreats with respect to the gripping portion.
- the suture needle advances in a direction intersecting the grasped tissue piece.
- the gripping tool includes gripping pieces each provided with the gripping surface and movable in a direction approaching and separating from each other, and the gripping surfaces are brought close to each other to move the gripping surface.
- the at least one grasping surface is disposed at a position facing the suturing needle.
- the suturing device when the gripping pieces are brought close to each other and the tissue piece is gripped via the gripping surface, at least one of the gripping surfaces is arranged at a position facing the suture needle. The Thereby, the suture needle can be easily advanced in the direction intersecting the grasped tissue piece only by grasping the plurality of tissue pieces.
- the suturing needle is on substantially the same plane as a plane including a virtual line extending in a direction in which the plurality of gripping pieces approach and separate from each other and an axis extending in the advancing and retreating direction of the suturing needle.
- it is arranged on the opposite side across the other gripping piece with one gripping piece as a reference.
- a suture needle penetrates a portion of the plurality of tissue pieces grasped via the grasping surface and arranged on the substantially same plane.
- the present invention includes changing means for changing the orientation of the gripping portion so that the gripping portion faces a direction intersecting with the advancing / retreating direction of the suture needle.
- the gripping portion is directed in a direction crossing the advancing / retreating direction of the suturing needle by the changing means. Then, the gripping part is advanced and the gripping part is directed When the plurality of tissue pieces are gripped, the suture needle faces the plurality of tissue pieces. Alternatively, when the grasping portion in a state of grasping the plurality of tissue pieces is retracted to the sheath, the plurality of tissue pieces are extended and the suture needle faces the plurality of tissue pieces.
- a plurality of tissue pieces can be easily grasped, and the grasped plurality of tissue pieces can be reliably perforated.
- the present invention includes a sheath extending in a long shape, and the grasping portion and the suture needle are disposed in parallel within the sheath and supported in such a manner that they can advance and retreat.
- the holding portion and the suturing needle are arranged in parallel with each other and supported so as to advance and retreat by the support sheath.
- the grasping part and the suture needle can be reliably inserted into the body cavity.
- a gripping part and a suture needle that are not pulled out can be easily inserted and removed.
- the grasping portion and the suture needle are brought close to each other in the support sheath, it is possible to reliably perforate the nearest portion of the grasping portion among the plurality of grasped tissue pieces.
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
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- Public Health (AREA)
- Veterinary Medicine (AREA)
- Ophthalmology & Optometry (AREA)
- Surgical Instruments (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007508062A JP4980887B2 (ja) | 2005-03-17 | 2006-03-01 | 縫合器 |
CN2006800080476A CN101137330B (zh) | 2005-03-17 | 2006-03-01 | 缝合器 |
EP06715017.7A EP1859743B1 (en) | 2005-03-17 | 2006-03-01 | Suture instrument |
US11/734,429 US8353920B2 (en) | 2005-03-17 | 2007-04-12 | Suture instrument |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005076949 | 2005-03-17 | ||
JP2005-076949 | 2005-03-17 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/734,429 Continuation US8353920B2 (en) | 2005-03-17 | 2007-04-12 | Suture instrument |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006098155A1 true WO2006098155A1 (ja) | 2006-09-21 |
Family
ID=36991507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/303900 WO2006098155A1 (ja) | 2005-03-17 | 2006-03-01 | 縫合器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8353920B2 (ja) |
EP (1) | EP1859743B1 (ja) |
JP (1) | JP4980887B2 (ja) |
CN (1) | CN101137330B (ja) |
WO (1) | WO2006098155A1 (ja) |
Cited By (4)
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WO2010053118A1 (ja) * | 2008-11-06 | 2010-05-14 | オリンパスメディカルシステムズ株式会社 | 縫合器及び縫合システム |
JP2014140413A (ja) * | 2013-01-22 | 2014-08-07 | Olympus Corp | アクセスデバイスおよびアクセスシステム |
US9510833B2 (en) | 2007-02-26 | 2016-12-06 | Olympus Corporation | Applicator and tissue fastening method through natural orifice |
WO2017022326A1 (ja) * | 2015-08-04 | 2017-02-09 | オリンパス株式会社 | 縫合装置 |
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WO2009045248A1 (en) * | 2007-07-26 | 2009-04-09 | Alpha Scientific Corporation | Surgical suturing device, method and tools used therewith |
US9226748B2 (en) | 2007-07-26 | 2016-01-05 | Alpha Scientific Corporation | Surgical suturing device, method and tools used therewith |
US9282967B2 (en) | 2007-08-02 | 2016-03-15 | Bioconnect Systems, Inc. | Implantable flow connector |
US8366651B2 (en) | 2007-08-02 | 2013-02-05 | Bioconnect Systems, Inc. | Implantable flow connector |
US20090312645A1 (en) * | 2008-06-16 | 2009-12-17 | Boston Scientific Scimed, Inc. | Methods and Devices for Accessing Anatomic Structures |
US11083364B2 (en) * | 2008-06-17 | 2021-08-10 | Apollo Endosurgery Us, Inc. | Endoscopic tissue grasping systems and methods |
US8764632B2 (en) * | 2010-04-08 | 2014-07-01 | Eric James Kezirian | Endoscopic device and system |
US9314600B2 (en) | 2012-04-15 | 2016-04-19 | Bioconnect Systems, Inc. | Delivery system for implantable flow connector |
US10434293B2 (en) | 2012-04-15 | 2019-10-08 | Tva Medical, Inc. | Implantable flow connector |
WO2014061028A1 (en) * | 2012-10-16 | 2014-04-24 | Shah Rasiklal Shamji | Laparoscopic device for anchoring an organ to thoracic diaphragm |
US9636110B2 (en) | 2013-03-13 | 2017-05-02 | Alpha Scientific Corporation | Structural support incorporating multiple strands |
KR20160012993A (ko) | 2013-03-15 | 2016-02-03 | 알파 사이언티픽 코오포레이션 | 횡단 결합부를 갖춘 수술용 봉합 디바이스 |
WO2018131204A1 (ja) * | 2017-01-13 | 2018-07-19 | オリンパス株式会社 | 内視鏡 |
FR3120776A1 (fr) * | 2021-03-22 | 2022-09-23 | Christophe Bastid | Système de suture endoscopique et dispositif médical utilisant ce système. |
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- 2006-03-01 EP EP06715017.7A patent/EP1859743B1/en not_active Expired - Fee Related
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US9510833B2 (en) | 2007-02-26 | 2016-12-06 | Olympus Corporation | Applicator and tissue fastening method through natural orifice |
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Also Published As
Publication number | Publication date |
---|---|
EP1859743B1 (en) | 2015-08-05 |
US8353920B2 (en) | 2013-01-15 |
US20070185503A1 (en) | 2007-08-09 |
CN101137330B (zh) | 2011-09-14 |
EP1859743A4 (en) | 2013-11-27 |
EP1859743A1 (en) | 2007-11-28 |
JP4980887B2 (ja) | 2012-07-18 |
JPWO2006098155A1 (ja) | 2008-08-21 |
CN101137330A (zh) | 2008-03-05 |
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