WO2006079261A1 - Agrafeuse chirurgicale automatique - Google Patents

Agrafeuse chirurgicale automatique Download PDF

Info

Publication number
WO2006079261A1
WO2006079261A1 PCT/CN2005/000943 CN2005000943W WO2006079261A1 WO 2006079261 A1 WO2006079261 A1 WO 2006079261A1 CN 2005000943 W CN2005000943 W CN 2005000943W WO 2006079261 A1 WO2006079261 A1 WO 2006079261A1
Authority
WO
WIPO (PCT)
Prior art keywords
rod
active
switching
firing
sleeve
Prior art date
Application number
PCT/CN2005/000943
Other languages
English (en)
Chinese (zh)
Inventor
Wangdong Chen
Weizhong Yin
Jiang Lin
Mingyao Lu
Original Assignee
Suzhou Touchstone International Medical Science Co., Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Touchstone International Medical Science Co., Ltd filed Critical Suzhou Touchstone International Medical Science Co., Ltd
Publication of WO2006079261A1 publication Critical patent/WO2006079261A1/fr

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
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/115—Staplers for performing anastomosis in a single operation
    • 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
    • A61B17/2909—Handles
    • A61B2017/2912—Handles transmission of forces to actuating rod or piston

Definitions

  • the invention relates to a medical device, in particular to a medical binding device, in particular to a surgical binding technology background
  • the object of the present invention is to solve the above-mentioned drawbacks of the prior art and to provide a binding device for suturing a circular end (such as a broken end after bowel resection) in a surgical procedure, in particular, a fast forward at the body. And a single-handle controlled surgical stapler.
  • a surgical binding device comprises an elbow, an anvil assembly, a nail assembly, and a feed firing gun body.
  • the feed firing gun body is connected to the elbow through the gun body shell, and the lower portion of the outer shell is a handle.
  • the handle is provided with a feed firing wrench, a return spring is arranged on the feed firing wrench, and an inner bushing is arranged in the gun body shell, and the end of the inner bush protrudes from the head of the gun body shell, and the inner bushing
  • There is a follower rod in the front part of the follower rod that is, a section close to the elbow is provided with a connecting sleeve, and the connecting sleeve is provided with a connecting rod, one end of the connecting rod is connected with the connecting piece, and the other end is stuck on the driven head
  • the circlip of the part is snapped, one end of the connecting sleeve is in contact with the push rod, the other end is in contact with the active rod, the active rod is sleeved in the
  • the object of the present invention can also be further achieved by the following technical solutions.
  • the active rod feeding and firing mechanism is a ratchet mechanism, and a ratchet is provided under the active rod, and a pawl is provided on the feeding and firing wrench to engage with the pawl.
  • the active rod feeding and firing mechanism is a damping mechanism, and a force spring and a dialing piece are sleeved on the active rod, and the other end of the dialing piece is fired with the feeding
  • the handles are mated.
  • the follower rod feeding locking mechanism is a ratchet mechanism, and a ratchet is provided under the driven rod, and a pawl is provided on the handle to engage with the same.
  • the follower rod feeding locking mechanism is a damper mechanism, and a spring and a locking piece are sleeved on the driven rod, and the other end of the locking piece is connected to the outer casing.
  • the front, middle and rear limit locking blocks or steps are sequentially arranged at the front, middle and rear positions of the follower rod.
  • the gun body shell and the elbow are spirally connected by a rotary connecting knob, and the inner end cavity of the rotary connecting knob and the tail end of the elbow are provided with positioning steps, and the rotary connecting knob is rotated.
  • the rear end cavity is provided with an internal thread, and one end of the rotation preventing connector is screwed to the rear end cavity of the rotary connection knob, and the other end of the rotation preventing connector is engaged with the gun body casing head.
  • the switching device includes a safety button having a switching sleeve and a rear end of the follower body of the driven rod, the switching sleeve is disposed at a rear portion of the driven rod, and a switching port is provided at a front end of the switching sleeve.
  • a safety return spring is disposed at a tail end of the switch sleeve, and two ends of the safety return spring are respectively connected to the switch sleeve and the safety button, and the safety button is provided with a limit rod, and the gun body shell and the switch sleeve are There are limit holes on the upper limit rod.
  • the invention has the advantages of breaking the conventional limited thread adjustment mechanism and two operations
  • the steps are separated by a cumbersome, delayed, and the like, and a single handle is used to advance the binding and stitching process.
  • the anvil and the housing are fixed, and the pusher piece and the nail barrel are initially moved together.
  • the pusher piece is separately moved by switching the knob to achieve the effect of nailing and suturing the tissue.
  • the handle is held by one hand, and the speed of advancement can be arbitrarily adjusted by controlling the magnitude of the grip force.
  • the function of turning the binding body or the head can be achieved by adjusting the steering connection knob, so that the operation of the operation can be facilitated by the steering shift in the case of unfavorable operation.
  • Figure 1 is a schematic view of the structure of the present invention.
  • FIG. 2 is a cross-sectional structural view of the gun body of the present invention.
  • Figure 3 is a schematic cross-sectional view of the A-A of Figure 2;
  • Figure 4 is a schematic view showing another structure of the present invention.
  • Fig. 5 is a schematic view showing still another structure of the present invention.
  • Fig. 6 is a schematic view showing another structure of the switching device of the present invention.
  • Figure 7 is a schematic view showing the structure of the follower rod of the present invention.
  • Figure 8 is a schematic bottom view of Figure 7.
  • Fig. 9 is still another schematic view of the follower rod structure of the present invention.
  • Figure 10 is a schematic bottom view of Figure 9.
  • Figure 11 is another schematic view of the follower rod structure of the present invention.
  • Figure 12 is a schematic bottom view of Figure 11;
  • Figure 13 is another schematic diagram of the switching mode of the present invention.
  • Figure 14 is still another schematic diagram of the switching mode of the present invention.
  • FIG. 15 is still another schematic diagram of the switching mode of the present invention.
  • the present invention comprises an elbow 3, an anvil assembly 1, a nail barrel assembly 2, a feed firing gun body, and a feed firing gun body is connected to the elbow 3 through a rotating connection through the gun body casing 11.
  • the knob 6 is screwed, and the inner end cavity of the rotary connecting knob 6 is provided with a positioning step at the end of the curved pipe 3, and the inner end of the inner end of the rotary connecting knob 6 is provided with an internal thread, and one end of the rotation preventing connector is connected with the rotation.
  • the rear end cavity of the knob 6 is screwed, and the other end of the rotation preventing connector is engaged with the head of the gun body.
  • the lower part of the outer casing is a handle 21, the handle 21 is provided with a feed firing wrench 25, the feed firing wrench 25 is provided with a return spring 24, and the inner casing 11 is provided with an inner bushing 9, the inner bushing 9 The end portion protrudes from the head of the gun body casing 11, and the driven rod 12 is disposed in the inner bushing 9.
  • the connecting sleeve 26 is sleeved in the front portion of the driven rod 12, that is, near the elbow 3.
  • the connecting sleeve 26 is provided. There is a connecting rod 8, one end of the connecting rod 8 is connected with the connecting piece 5, and the other end is engaged by a snap spring 10 stuck on the head of the driven rod 12.
  • One end of the connecting sleeve 26 is connected with the push rod 4, and the other end is connected with the active rod 14 is connected, the active rod 14 is sleeved in the middle of the driven rod 12, and the active rod 14 is provided with the active rod 14 feeding stroke; the mechanism is interlocked with the feeding firing wrench 25 on the handle 21, under the middle section of the inner bushing
  • the surface corresponds to the active rod 14 feeding the firing mechanism at the axial direction with the active rod 14 moving groove, and the rear rod of the driven rod 12 is provided with the driven rod locking mechanism and the handle 21, the active rod feeding and firing mechanism is
  • a ratchet is provided under the active lever 14, and a pawl is provided on the feed firing wrench 25 to engage with the pawl.
  • the follower rod feeding locking mechanism is a ratchet mechanism, and a ratchet is provided under the driven rod 12, and a pawl is provided on the handle 21 to engage with the pawl.
  • a switching device is fitted to the rear portion of the follower lever 12.
  • the switching device includes a safety button with a switching sleeve 16 and a tail portion of the rear portion of the driven rod 12.
  • the switching sleeve 16 is sleeved in the rear portion of the driven rod, and a switching port 43 is provided at the front end of the switching sleeve.
  • the rear end of the sleeve 16 is provided with a safety return spring 18, and two ends of the safety return spring 18 are respectively connected to the switching sleeve 16 and the safety button 17, and the safety button 17 is provided with a limiting rod 28, in the above-mentioned gun body
  • the outer casing 11 and the switching sleeve 16 have a limit The limiting hole 19 of the rod 28 is matched.
  • the safety button 17 can also be directly integrated with the switching sleeve, and the safety button 17 is partially connected to the gun body through the locking device.
  • the locking device comprises a ball 37, a spring 35 and a lock nut 38.
  • the front, middle and rear limit locking blocks or steps 13, 15, 44 are sequentially arranged at the front, middle and rear positions of the driven rod 12 to take the active rod 14 and the switching sleeve 16.
  • the invention is at work:
  • the wrench 25 is gripped inwardly to move the pawl 23 forward, and the pawl 23 pushes the active rod 14 forward, between the active rod 14 and the driven rod.
  • the square pin 13 is brought forward together, and the active rod 14 and the driven rod 15 are respectively connected with the pusher piece and the nail barrel through the push rod 4, the connecting piece 5, etc., and the push nail piece and the nail barrel are started together.
  • the effect of the forward movement is that when the grip is released, the handle and the pawl 23 are reset by the return spring 24, and the active lever 14 is clamped together by the pin 15 P on the follower lever, and the follower lever 12 is fixed at The pawl 23 and the limiting block 22 on the shell of the gun body timely fix their forward position to reduce the displacement of the ratchet step.
  • the circlip 10 on the connecting rod 8 rises under the action of the thrust of the tapered head of the driven rod 12 due to the resisting force when the front portion transmits the clamping tissue. It is opened and stuck on the inner bushing 9 fixed with the gun body casing to achieve the effect of micro-in and lock-up. Then, the safety button 17 is pulled out, and the limiting rod 28 is slid out of the limiting rod slot 19 on the gun body casing 11, and is rotated by 90 degrees; or the safety button 17 can be directly integrated with the switching sleeve 16.
  • the feed switching structure of the present invention can take a variety of forms:
  • the driven rod 12 is provided with a semi-circular counterbore
  • the active rod 14 is provided with a circular hole.
  • the ball 40 is springed and a spring 39 is added to the ball 40 and locked by a lock nut 38.
  • the active rod 14 drives the follower rod 12 through the ball 40 to advance forward, and when the mismatched portion is received, the front portion of the follower rod 12 is received.
  • the resistance of the tissue increases, forcing the ball 40 to move into the interior of the active lever 14, disengaging the follower lever 12, and the active lever 14 continues to move forward to complete the firing of the staple.
  • the driven rod 12 has a counterbore, and the active rod 14 has a hole.
  • the active rod is sleeved on the driven rod and the two holes are aligned, a suitable crack is placed in the hole.
  • the cylinder 41 (or two strong magnets connected) is locked by a lock nut 38.
  • the active rod 14 drives the follower rod 12 through the column 41 to advance forward, and when approaching the binding portion, the front portion of the follower rod 12 is received.
  • the resistance of the tissue increases, forcing the cylinder 41 to split from the middle (or the magnet to split the bird), causing the follower rod 12 to disengage, and the active rod 14 continues to move forward to complete the movement of the staple.
  • the driven rod 12 has a semi-circular counterbore
  • the active rod 14 has a circular hole.
  • an appropriate hole is placed in the hole.
  • the ball 42 is placed, and the top of the ball 40 just abuts against the outer wall portion of the active lever and is inserted into the inner bushing 9.
  • the active rod 14 pushes the follower rod 12 forward by the ball 42, and when the binding portion is engaged, the ball 42 enters the inner bushing 9.
  • the follower lever 12 is disengaged from the active lever 14, and the active lever 14 continues to move forward to complete the movement of the staple.
  • the active rod feeding and firing mechanism is a damping mechanism, and the active rod 14 is sleeved with a force receiving spring 32 and a dialing piece 34, and the other end of the dialing piece 34 is fed with the feed.
  • the handles are mated.
  • the follower rod feeding locking mechanism is a damping mechanism, and the follower rod 12 is sleeved with a spring 30 and a locking piece 29, and the other end of the locking piece 29 is connected to the outer casing. Initially, the mechanism is in the original state, and the wrench 25 is gripped inwardly to drive the dial 34 to move forward, and the dial 34 pushes the active lever 14 forward.
  • the square pin 13 is obtained between the active lever 14 and the driven lever.
  • the two are moved forward together, and the active rod 14 and the driven rod 15 are respectively connected to the pusher piece and the nail barrel through the push rod 4, the connecting piece 5, etc., and the pusher piece and the nail barrel move forward together at the beginning.
  • the effect is that when the grip is released to the bottom, the handle and the dial 34 are reset by the return spring 32, and the active lever 14 is restrained by the pin 15 on the follower lever, and the follower lever 12 is connected by the pin 31.
  • the locking piece 29 on the gun body casing is fixed in its forward position by the force of the spring 30.
  • the circlip 10 on the connecting rod 8 is lifted under the action of the thrust of the tapered head of the follower rod 12 due to the contact force transmitted from the front portion to the clamping mechanism, and is stuck On the inner bushing 9 fixed to the gun body casing 11, the effect of micro-in and lock-up is achieved.
  • the rotary switching sleeve 16 is at 90 degrees, and drives the driven rod 12 that is engaged with the inner slot of the switching sleeve 16 by the pin 27, and the pin 13 is turned to the depth groove entrance of the active rod 14, so that the active rod 14 It is possible to move forward from the follower lever 12.
  • the wrench 25 is gripped again, and even if the active lever 14 is disengaged from the follower lever 12, the connecting rod, the push rod, the pusher piece, and the like are pushed, and the effect of forming the nail and completing the surgery is achieved.

Abstract

La présente invention concerne une agrafeuse chirurgicale automatique comprenant un tube flexible, un ensemble d’enclume, un ensemble de cartouche d’agrafes, un corps de déclenchement d’alimentation et une gâchette de déclenchement d’alimentation. Un ressort de rappel est disposé sur la gâchette de déclenchement d’alimentation et une bague est disposée dans le boîtier du corps de déclenchement, une de ses extrémités sortant de l’avant du corps de déclenchement. Une tige entraînée dont l’avant est couvert par un manchon de jonction est disposée dans la bague tandis qu’une extrémité du manchon de jonction est associée à une tige active. Des moyens de commutation sont disposés sur la partie arrière de la tige entraînée et un mécanisme de commutation d’alimentation est disposé entre la tige active et la tige entraînée.
PCT/CN2005/000943 2005-01-26 2005-06-29 Agrafeuse chirurgicale automatique WO2006079261A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200510038254.3 2005-01-26
CNB2005100382543A CN100394892C (zh) 2005-01-26 2005-01-26 外科用装订仪

Publications (1)

Publication Number Publication Date
WO2006079261A1 true WO2006079261A1 (fr) 2006-08-03

Family

ID=36740027

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2005/000943 WO2006079261A1 (fr) 2005-01-26 2005-06-29 Agrafeuse chirurgicale automatique

Country Status (2)

Country Link
CN (1) CN100394892C (fr)
WO (1) WO2006079261A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109674500A (zh) * 2018-12-25 2019-04-26 上海逸思医疗科技有限公司 一种外科器械的保险装置

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Publication number Priority date Publication date Assignee Title
CN101664328B (zh) * 2009-07-15 2011-06-01 苏州天臣国际医疗科技有限公司 穿刺杆
CN103156658B (zh) * 2011-12-19 2015-04-29 苏州天臣国际医疗科技有限公司 一种圆管型装订仪的钉仓组件
CN102813537B (zh) * 2012-09-17 2014-12-24 北京中法派尔特医疗设备有限公司 一种可自动打荷包的圆形荷包钳
CN104490440B (zh) * 2014-12-30 2016-09-14 苏州天臣国际医疗科技有限公司 外科手术器械

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US4319576A (en) * 1980-02-26 1982-03-16 Senco Products, Inc. Intralumenal anastomosis surgical stapling instrument
US4603693A (en) * 1977-05-26 1986-08-05 United States Surgical Corporation Instrument for circular surgical stapling of hollow body organs and disposable cartridge therefor
CN2108520U (zh) * 1991-12-23 1992-07-01 马剑文 圆形断端外科手术缝合器
US5193731A (en) * 1988-07-01 1993-03-16 United States Surgical Corporation Anastomosis surgical stapling instrument
US5350104A (en) * 1991-08-23 1994-09-27 Ethicon, Inc. Sealing means for endoscopic surgical anastomosis stapling instrument
US5762255A (en) * 1996-02-20 1998-06-09 Richard-Allan Medical Industries, Inc. Surgical instrument with improvement safety lockout mechanisms
CN1194576A (zh) * 1996-03-21 1998-09-30 高级医疗产品发展股份有限公司 用于外科手术中的外科缝合器和缝合方法
CN2336756Y (zh) * 1998-09-11 1999-09-08 马剑文 弯管外科手术吻合器
CN2451047Y (zh) * 2000-11-30 2001-10-03 陈德全 肠管扎线管口缝合枪
CN1106827C (zh) * 1998-10-27 2003-04-30 张祖仁 外科用管型吻合器
US6669073B2 (en) * 1997-09-23 2003-12-30 United States Surgical Corporation Surgical stapling apparatus

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ATE153231T1 (de) * 1993-04-27 1997-06-15 American Cyanamid Co Automatischer, laparoskopischer applikator für abbindeklammern
EP0934024B1 (fr) * 1996-09-20 2006-08-30 United States Surgical Corporation Dispositif d'application d'agrafes a spirales
JP2005533562A (ja) * 2002-07-23 2005-11-10 アプライド メディカル リソーシーズ コーポレイション 内部ラチェットを有するクリップアプライヤ・カートリッジ
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Publication number Priority date Publication date Assignee Title
US4603693A (en) * 1977-05-26 1986-08-05 United States Surgical Corporation Instrument for circular surgical stapling of hollow body organs and disposable cartridge therefor
US4319576A (en) * 1980-02-26 1982-03-16 Senco Products, Inc. Intralumenal anastomosis surgical stapling instrument
US4319576B1 (fr) * 1980-02-26 1986-02-25
US5193731A (en) * 1988-07-01 1993-03-16 United States Surgical Corporation Anastomosis surgical stapling instrument
US5350104A (en) * 1991-08-23 1994-09-27 Ethicon, Inc. Sealing means for endoscopic surgical anastomosis stapling instrument
CN2108520U (zh) * 1991-12-23 1992-07-01 马剑文 圆形断端外科手术缝合器
US5762255A (en) * 1996-02-20 1998-06-09 Richard-Allan Medical Industries, Inc. Surgical instrument with improvement safety lockout mechanisms
CN1194576A (zh) * 1996-03-21 1998-09-30 高级医疗产品发展股份有限公司 用于外科手术中的外科缝合器和缝合方法
US6669073B2 (en) * 1997-09-23 2003-12-30 United States Surgical Corporation Surgical stapling apparatus
CN2336756Y (zh) * 1998-09-11 1999-09-08 马剑文 弯管外科手术吻合器
CN1106827C (zh) * 1998-10-27 2003-04-30 张祖仁 外科用管型吻合器
CN2451047Y (zh) * 2000-11-30 2001-10-03 陈德全 肠管扎线管口缝合枪

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109674500A (zh) * 2018-12-25 2019-04-26 上海逸思医疗科技有限公司 一种外科器械的保险装置
CN109674500B (zh) * 2018-12-25 2024-04-02 上海逸思医疗科技股份有限公司 一种外科器械的保险装置

Also Published As

Publication number Publication date
CN100394892C (zh) 2008-06-18
CN1810215A (zh) 2006-08-02

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