WO2020062854A1 - Trigger assembly for reusable endoscopic cutter stapler gun body - Google Patents

Trigger assembly for reusable endoscopic cutter stapler gun body Download PDF

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Publication number
WO2020062854A1
WO2020062854A1 PCT/CN2019/084437 CN2019084437W WO2020062854A1 WO 2020062854 A1 WO2020062854 A1 WO 2020062854A1 CN 2019084437 W CN2019084437 W CN 2019084437W WO 2020062854 A1 WO2020062854 A1 WO 2020062854A1
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WO
WIPO (PCT)
Prior art keywords
handle
reset
block
rack
spring
Prior art date
Application number
PCT/CN2019/084437
Other languages
French (fr)
Chinese (zh)
Inventor
江世华
吴宇雷
王海龙
江世红
丁喜全
Original Assignee
常州威克医疗器械有限公司
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Publication date
Application filed by 常州威克医疗器械有限公司 filed Critical 常州威克医疗器械有限公司
Publication of WO2020062854A1 publication Critical patent/WO2020062854A1/en

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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
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
    • 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
    • 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
    • A61B17/1114—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
    • 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
    • A61B17/32—Surgical cutting instruments
    • A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3209—Incision instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
    • A61B2017/00407—Ratchet means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
    • A61B2017/00473—Distal part, e.g. tip or head
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B2017/07214—Stapler heads
    • A61B2017/07285—Stapler heads characterised by its cutter
    • 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
    • A61B2017/1132—End-to-end connections
    • 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
    • A61B2017/1135—End-to-side connections, e.g. T- or Y-connections
    • 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
    • A61B2017/1139—Side-to-side connections, e.g. shunt or X-connections
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
    • 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
    • A61B90/03—Automatic limiting or abutting means, e.g. for safety
    • A61B2090/038—Automatic limiting or abutting means, e.g. for safety during shipment

Definitions

  • the present invention relates to a firing assembly for the repeated use of an endoscope cutting stapler gun body, which belongs to medical instruments, and is particularly suitable for supporting the repeated use of an internal cutting stapler gun body by applying a line to the tissue in the cavity.
  • annular stapler it is very convenient to perform end-to-end anastomosis and end-to-end anastomosis of luminal organs such as the esophagus, stomach, small intestine, and colon.
  • a gastrointestinal anastomosis can be performed using a cutting suture. For example, end-to-end anastomosis of rectum and colon, side-to-side anastomosis of esophagus and stomach, and side-to-side anastomosis of gastrojejunum.
  • the purpose of the present invention is to provide a firing assembly for repeatedly using the endoscope cutting stapler gun body in response to the above-mentioned deficiencies.
  • the firing assembly for repeatedly using the endoscope cutting stapler gun body is matched with the repeated use of the endoscope cutting stapler gun body.
  • the firing component of the repeatedly used endoscope cutting stapler gun body is composed of a firing component and a transmission component.
  • the repeated use of the endoscope cutting stapler gun body is reasonable in design, reasonable in structure and convenient to use. All transmission structures are made of metal to enhance the transmission strength of the instrument.
  • the clamping anastomosis component can be adjusted at any angle, and it is easy to find a suitable position during surgery.
  • the repeated use of the endoscopic cutting stapler gun body can be operated with one hand to make the operation more coherent.
  • the clamping anastomosis component has a large closing pressure.
  • the doctor can free up other instruments to reduce the operation time, reduce the risk of surgery, and reduce pain for the patient. Because the laparoscopic cutting stapler gun body is sterilized after repeated use, replaceable stapling components are installed, which can be reused, which reduces the cost of surgery and reduces the financial burden on patients.
  • the firing components of the repeatedly used endoscopic cutting stapler gun body include a fixed handle, a right reset handle, a movable handle reset spring, a reset lever, a pull block spring, a rack pull block, a rack, a joint, a reset pull tab, a gear drive block, Reset fork, left reset handle, bounce block spring, reset handle safety block, reset safety, movable handle, safety socket, rotary button compression spring and handle fixing sleeve.
  • a pull block spring installation groove is provided on the upper side of the rear of the rack, a pull spring installation protrusion is provided on the front of the slot, a reset lever installation hole is provided on the rear end of the rack, and a tooth-shaped protrusion is provided on the lower part of the rack to reset the pull.
  • the blade is mounted on the rack side through a rack pin, the reset lever passes through the reset lever mounting hole on the rack, and the rack pull block is installed in a pull spring mounting groove on the upper part of the rack, and one end of the pull spring is mounted on the rack
  • the pull spring on the upper part is mounted on the protrusion, and the other end is mounted on the protrusion on the front end of the rack pull block.
  • the fixed handle is composed of a left fixed handle and a right fixed handle.
  • the fixed handle is provided with a rack sliding installation slot, the rack is installed in the rack sliding installation slot, and the fixed handle is provided with a movable handle installation post.
  • the front end of the fixed handle is provided with a safety socket installation groove, and the rear end is provided with a joint installation groove.
  • the upper part of the movable handle is provided with a handle reset safety block installation groove, and the return lever spring and the handle reset safety block are installed in the handle reset safety block installation slot.
  • the middle part of the handle reset safety block is provided with a bounce block spring installation slot and a pin installation hole.
  • the bouncing block spring and ball head pin are installed in the bouncing block spring mounting groove on the handle reset safety block.
  • the reset fork is installed on the upper part of the handle reset safety block through the fork pin.
  • the upper end of the movable handle is provided with a pin mounting hole.
  • the rack driving block is installed on the movable handle by driving the block pin.
  • a fixed handle mounting hole and a resetting insurance mounting hole are provided in the middle of the movable handle.
  • the resetting insurance is installed in the resetting insurance mounting hole of the movable handle.
  • the movable handle passes the fixed handle.
  • the mounting hole is mounted on a movable handle mounting post of the fixed handle.
  • One end of the reset spring of the movable handle is hooked on the rack driving block, and the other end is fixed on the fixed handle by a spring pin.
  • the rotary button compression spring is sleeved on the safety socket.
  • the safety socket is installed in the safety socket installation groove at the front end of the fixed handle.
  • the handle fixing sleeve is set outside the safety socket and can slide on the front end of the fixed handle.
  • the connector is installed in a connector installation groove at the rear end of the fixed handle.
  • the left fixed handle and the right fixed handle are fixed together by screws, and the left and right reset handles are respectively installed at both ends of the reset levers on both sides of the fixed handle.
  • the replaceable kiss-cutting module is installed on the body of the repetitive endoscopic cutting stapler gun.
  • the fixing rod of the lower half shell cooperates with the mounting protrusion, and is fixedly installed on the fixing slot of the lower half shell of the fixing rod.
  • the sleeve connecting groove is installed on the firing rod mounting clip of the driving sleeve.
  • the inner locking ring of the transmission assembly is connected with the handle fixing sleeve of the firing component, and the firing component and the transmission component are fixed to form a reusable endoscopic cutting stapler body. Then, Load the replaceable kiss-cut assembly.
  • the reusable firing assembly of the endoscopic cutting stapler body is used in combination with the reusable endoscopic cutting stapler body.
  • the inner locking ring of the transmission component is fixed to the handle of the firing component.
  • the sleeve is rotated, and the firing component and the transmission component are installed and fixed to form a reusable endoscopic cutting stapler body, and then a replaceable cutting component is installed to form a repetitive endoscopic cutting stapler.
  • turn the handle fixing sleeve, and the replaceable cutting and cutting component can be rotated to facilitate adjustment of the position.
  • the rotary handle is rotated , Drive the rotation fixing block to rotate, pull the steering rear lever and steering hook backward, pull the upper and lower adapters to one side, and achieve the effect of turning against the nail holder and nail holder seat, that is, the anastomotic component part can swing left and right.
  • Adjust the cutting position press the movable handle, and drive the rack through the rack mounted on the movable handle to push the rack, fire the push rod, drive sleeve, push plate, cutting knife to complete the jaw closing, loosen the movable handle, Under the action of the movable handle reset spring and pull block spring, the rack is reset, which drives the firing rod, drive sleeve, push plate, and cutter to reset, and opens the jaws.
  • the endoscopic stapler can be reused as a pliers function. , Used to clamp foreign objects. After the jaws are closed, if the cutting anastomosis position is appropriate, press the reset safety to reset the movable handle. Press the movable handle again.
  • the rack drive block pushes the rack, fires the push rod, drive sleeve, push plate, cutting knife, forward
  • the cutting blade pushes the pushing block and the pushing piece to push out the staples installed in the nail magazine, and then completes the anastomosis while cutting. Pull the reset handle to drive the rack, the firing rod, the driving sleeve, the push plate, and the cutter to reset.
  • the repetitive endoscopic stapler is taken out of the puncture device to complete a cutting anastomosis. Need to cut and match, then pull back the pull rod block, drive the pull tab, pull the pull rod backward, so that the lower half shell in the replaceable cutting module is opened from the locked state of the transmission module, and the replaceable cutting module is removed , Replace with a new interchangeable cutting component, and perform the operation again until the operation is completed.
  • the stapler gun body is repeatedly used, the handle fixing sleeve is pulled back, and the transmission component is separated from the firing component.
  • the transmission component can be disinfected and cleaned separately.
  • the fixed lock ring and the inner lock ring are connected by threads.
  • the connector installed at the rear of the firing component can be connected to the hospital flushing equipment to flush the interior of the firing component. After cleaning and disinfection is completed, the laparoscopic cutting stapler body should be kept in a safe place for the next operation.
  • the reusable firing assembly of the endoscopic cutting stapler body is matched with the reusable firing assembly of the endoscopic cutting stapler.
  • the reusable firing assembly of the endoscopic cutting stapler is reasonable in design and compact in structure.
  • the reusable endoscopic cutting stapler body is reused. It is matched with the reusable endoscopic stapler and is easy to use. Reuse the endoscope cutting stapler gun body in combination with the existing replaceable cutting and cutting components. During use, the cutting and cutting components can be rotated 360 degrees, and the staple holder of the cutting and cutting components can be swung left and right to facilitate the doctor's When operating in a narrow space such as the abdominal cavity, it is easier to find a suitable surgical location.
  • the laparoscopic cutting stapler can be used repeatedly, the cost of a single instrument is increased, and materials with better strength and stability are used to process the strength and toughness required for the operation more perfectly. And better performance, because it can be reused, the cost of a single operation is greatly reduced, so that patients can enjoy better medical results without having to bear high surgical costs.
  • the transmission component and the firing component are provided, when the laparoscopic cutting stapler body is repeatedly used for disassembly and cleaning, the cleaning and disassembly can be disassembled for more thorough cleaning.
  • FIG. 1 is a schematic view of a repetitive endoscopic cutting stapler gun body and its use
  • FIG. 2 is a schematic structural diagram of a firing component of a stapler stapler gun body repeatedly used
  • FIG. 3 is a schematic structural diagram of a transmission component of an endoscope cutting stapler gun body repeatedly used
  • FIG. 4 is a schematic structural diagram of a fixing rod of an endoscope cutting stapler body transmission component for repeated use
  • FIG. 5 is a structural schematic view of a rotary fixed upper handle of the endoscope cutting stapler body transmission component repeatedly used
  • FIG. 6 is a structural schematic view of a rotary handle of the endoscope cutting stapler body transmission component repeatedly used
  • FIG. 7 is a schematic structural diagram of a replaceable anastomosis component that repeatedly uses an endoscopic stapler
  • FIG. 8 is a schematic structural diagram of a lower half shell of a replaceable anastomosis component that repeatedly uses an endoscopic stapler;
  • FIG. 9 is a schematic diagram of a rotating structure using a laparoscopic cutting stapler gun body
  • FIG. 10 is a schematic view showing the structure of a transmission mechanism for repeatedly cutting an anastomosis gun body using an endoscope
  • FIG. 11 is a schematic diagram showing the use of a dislocation device for repeatedly cutting an endoscope stapler gun body.
  • a repetitive endoscopic cutting stapler includes a firing component 1, a transmission component 2, and a replaceable staple cutting component 3.
  • the reusable endoscopic stapler body includes a firing component and a transmission component.
  • the firing assembly 1 includes a fixed handle, a right reset handle 1-2, a movable handle reset spring 1-3, a reset lever 1-4, a pull block spring 1-5, a rack pull block 1-6, and a rack 1- 7, connector 1-8, reset pull tab 1-9, gear drive block 1-10, reset fork 1-11, left reset handle 1-12, bounce block spring 1-14, reset handle safety block 1-15, Reset insurance 1-16, movable handle 1-17, fuse 1-18, rotary button compression spring 1-19, handle fixed sleeve 1-20.
  • a rack spring mounting slot 1-7-1 is provided on the upper side of the rear of the rack 1-7, a rack spring mounting protrusion 1-7-2 is provided on the front of the slot, and a reset lever mounting hole is provided at the rear end of the rack 1-7-3, the lower part of the rack is provided with a toothed protrusion 1-7-4, the reset pull tab 1-9 is installed on the side of the rack 1-7 through the rack pin, and the reset lever 1-4 passes through the rack Mounting hole for reset lever on 1-7 1-7-3
  • the pull block spring mounting protrusion 1-7-2 installed on the rack 1-7, and the other end is mounted on the protrusion of the front end of the rack pull block 1-6.
  • the fixed handle is composed of a left fixed handle 1-13 and a right fixed handle 1-1.
  • the fixed handle is provided with a rack sliding installation slot 1-1-1, the rack 1-7 is installed in the rack sliding installation slot 1-1-1 of the fixed handle 1-1, and the fixed handle is provided with a movable handle installation post 1-1-2.
  • the front end of the fixed handle is provided with a safety socket installation groove 1-1-3, and the rear end is provided with a joint installation groove 1-1-4.
  • the upper part of the movable handle 1-17 is provided with a handle resetting safety block installation groove 1-17-1, and the return lever spring and the handle resetting safety piece 1-15 are installed on the movable handle 1-17.
  • a bounce block spring mounting groove 1-15-1 and a pin mounting hole 1-15-2 are provided, and the bounce block spring 1-14 and the ball pin are installed in the handle reset safety block 1
  • the reset fork 1-11 is installed on the upper part of the handle reset safety block 1-15 through the fork pin, and the upper end of the movable handle is provided with a pin mounting hole 1- 17-2.
  • the rack drive block 1-10 is installed on the movable handle 1-17 by driving the block pin.
  • a fixed handle mounting hole 1-17-3 and a resetting safety mounting hole 1-17- are provided in the middle of the movable handle. 4.
  • the reset safety 1-16 is installed in the reset safety installation hole 1-17-4 of the movable handle 1-17, and the movable handle 1-17 is installed in the fixed handle 1-1 through the fixed handle installation hole 1-17-3.
  • the handle is mounted on the post 1-1-2.
  • One end of the movable handle reset spring 1-3 is hooked on the rack driving block 1-10, and the other end is fixed on the fixed handle 1-1 by a spring pin.
  • the rotary button compression spring 1-19 is set on the safety socket 1-18, the safety socket 1-18 is installed in the safety socket installation groove 1-1-3 at the front end of the fixed handle 1-1, and the handle fixing sleeve 1-20 The set is outside the safety socket 1-18, and can slide on the front end of the fixed handle 1-1.
  • the connector 1-8 is installed in the connector mounting slot 1-1-4 at the rear end of the fixed handle 1-1.
  • the fixed handle is composed of a left fixed handle 1-13 and a right fixed handle 1-1.
  • the left fixed handle 1-13 and the right fixed handle 1-1 are fixed together by screws.
  • the left reset handle 1-12 and the right reset handle 1-2 are respectively installed at both ends of the reset levers 1-4 on both sides of the fixed handle.
  • the transmission assembly 2 includes a connecting rod sleeve 2-1, a fixed rod 2-2, a rear steering rod 2-3, a firing rod 2-4, a retraction rod 2-5, a retraction rod 2-6, and a retraction rod block 2- 7.
  • a through hole 2-2-1 is provided in the middle of the fixing rod 2-2, and a slider groove 2-2-2 and an installation positioning groove 2-2-3 are provided on the upper part of the rear end of the fixing rod 2-2.
  • the fixing rod 2-2 is left The rear side of the side is provided with a mounting positioning slot 2-2-4, the right side of the fixed rod is provided with a rear steering rod sliding groove 2-2-5, and the bottom rear end of the fixed rod 2-2 is provided with a retracted rod block sliding groove 2-2- 6, the bottom of the fixed rod 2-2 is provided with a pull-back slide slot 2-2-7.
  • the slider 2-20 is installed in the slider groove 2-2-2 at the upper part of the rear end of the fixing rod 2-2.
  • the rear steering rod 2-3 is provided with a steering hook connection slot 2-3-1 at the front end, and a steering fixing block connection hole 2-3-2 at the rear end.
  • the rear steering rod 2-3 is installed on the right side of the fixed rod 2-2.
  • the rear end of the retraction lever 2-5 is provided with a spring mounting groove 2-5-1, and the retraction lever 2-5 is installed in the retraction lever sliding groove 2-2-6 at the bottom front end of the fixed lever 2-2.
  • a spring is installed in the spring installation slot 2-5-1 at the rear end of the retraction lever 2-5.
  • the pull-out pull tab 2-6 is provided with a pull-out lever connecting hole 2-6-1 at the front end, and a pin mounting hole 2-6-2 at the rear end.
  • the pull-out pull tab 2-6 is installed at the bottom of the fixed rod 2-2. Inside the slide slot 2-2-7.
  • the firing push rod 2-4 is provided with a drive sleeve connecting groove 2-4-1 at the front end and a rack connecting groove 2-4-2 at the rear end.
  • the firing push rod 2-4 is inserted into the through hole in the middle of the fixing rod 2-2 In 2-2-1, the rear end is connected to racks 1-7.
  • a positioning hole 2-1-1 is provided at the rear end of the post sleeve 2-1.
  • a post sleeve 2-1 is fitted on the outside of the fixing rod 2-2.
  • the front end of the fixing rod 2-2 is provided with a mounting slot 2-2-8 for the lower half shell.
  • Rotary fixed upper handle 2-18 is provided with a fixed lock ring connection thread 2-18-1 at the front end, and an inner lock ring connected thread 2-18-2 is provided at the rear end, and a fixed rod is installed at the inner front end of the rotary fixed upper handle 2-18 Positioning boss 2-18-3 and positioning groove 2-18-4, a support block installation groove 2-18-5 is provided on the middle side of the rotary fixed upper handle, and a rotary fixed block slide groove 2 is provided in the middle of the rotary fixed upper handle -18-6, the two sides of the lower part of the rotary fixed upper handle are provided with a rotary fixed lower handle mounting groove 2-18-7, the upper part of the rotary fixed upper handle is provided with a rotary positioning cover mounting hole 2-18-8, and the rotary positioning cover mounting hole 2 On the outside of -18-8, there is a rotating cover installation positioning groove 2-18-9, and on both sides there are rotating cover positioning screw holes 2-18-10.
  • the rotating handle 2-17 is provided with a mounting post 2-17-1 inside, one end of the mounting post is provided with a screw hole 2-17-2, and the lower front end of the rotating handle is provided with a rotating boss 2-17-3.
  • the rotating cover 2-16 is provided with a mounting hole 2-16-1 of the rotating handle mounting column in the middle, a sliding groove 2-16-2 of the rotating handle rotating boss at the upper part of the rotating cover 2-16, and a lower part of the rotating cover 2-16.
  • the rotating upper pressing piece 2-14 and the rotating lower pressing piece 2-13 are provided with mounting holes 2-1-4 / 2-13-1 in the middle of the rotating handle mounting post.
  • the center of the rotary positioning cover 2-12 is provided with a rotary handle mounting positioning boss 2-12-1, a rotary handle mounting positioning boss 2-12-1 is provided with a screw mounting hole in the middle, and a rotary fixing block toggle column 2- 12-2.
  • Rotary lower platen 2-13, rotary upper platen 2-14, rotary handle spring 2-15, rotary cover 2-16 are installed in turn in the rotary positioning cover mounting hole 2-18-8 of the rotary fixed upper handle 2-18
  • the rotary cover 2-16 is fixed in the rotary cover positioning screw hole 2-18-10 of the rotary fixed upper handle 2-18 by screw installation, and the rotary handle 2-17 is fixed and installed in the rotary cover by screw and rotary positioning cover 2-12. 2-16 upper part.
  • the rotary fixing block 2-10 is provided with a steering hook connection slot 2-10-1 at the front end and a rotary fixing block dial mounting hole 2-10-2 at the rear end.
  • the rotation fixing block 2-10 is installed inside the rotation fixing upper handle 2-18.
  • Rotary fixed lower handle 2-8 The front end is provided with a fixed lock ring connection thread 2-8-1. The front end is provided with a pull-back slide slot 2-8-2 and a pull-back block slide slot 2-8-3. With internal lock ring connection thread 2-8-4, the rotation fixed lower handle 2-8 is provided with a fixed rod installation positioning groove 2-8-5 at the front end, and the rotation fixed lower handle 2-8 is provided with a rotation fixed upper handle on both sides of the lower part Install the boss 2-8-6.
  • the pull rod block 2-7 is provided with a pull rod pin hole 2-7-1 at the front end, and a screw hole 2-7-2 at the rear end.
  • the pull rod block 2-7 is installed on the lower part of the rotating fixed lower handle 2-8 by screws.
  • the disengagement pull tab 2-6 is connected to the rotation fixed lower handle 2-8 through the disengagement pull rod pin.
  • the upper and lower handles are rotated and fixed through the positioning boss and the positioning grooves are fixed together.
  • the fixed lock ring 2-19 is provided with an internal thread.
  • the fixed lock ring 2-19 is installed on the front end of the rotary fixed upper and lower handle through the post sleeve 2-1.
  • the inner lock ring 2-11 is provided with an internal thread, and the inner lock ring 2-11 is fixed at the rear end of the upper and lower handles for rotation and fixation.
  • the replaceable kiss-cutting assembly 3 includes a nail holder 3-1, a nail holder spring sheet 3-2, a nail holder 3-3, a push sheet 3-4, a nail holder seat 3-5, a push block 3-6, and an up-converter 3-7, connecting piece 3-8, upper half shell 3-9, push plate 3-10, drive sleeve 3-11, sleeve 3-12, lower half shell 3-13, steering hook 3-14, Protective cover 3-15, lower adapter 3-16, cutter 3-17.
  • the rear half of the lower casing 3-13 is provided with a through hole 3-13-1, one side of the through hole is provided with a steering hook installation groove 3-13-2, and the middle of the lower half casing is provided with a push plate movable groove 3-13.
  • a connecting piece mounting groove 3-13-4 is provided at the bottom, a fixing rod cooperates with a mounting protrusion 3-13-5 is provided outside the through hole at the rear end of the lower half housing, and an upper half housing is installed at the middle of the lower half housing
  • the protrusion 3-13-6 is provided with a sleeve mounting positioning protrusion 3-13-7 on the outside.
  • the driving sleeve 3-11 is installed in the pushing plate movable groove 3-13-3 at the rear end of the lower half casing 3-13.
  • the driving plate 3-10 is provided with a driving sleeve mounting protrusion 3-10-1 at the rear end, and the pushing plate 3-
  • the front end of the 10 is provided with a cutting blade matching the protrusion 3-10-2
  • the rear end of the cutting blade 3-17 is provided with a pushing plate matching groove 3-17-1
  • the cutting blade 3-17 is welded to the front end of the pushing plate 3-10.
  • the pushing plate 3-10 moves in the pushing plate movable groove 3-13-3 of the lower half shell 3-13, and the lower half shell is provided in the middle of the upper half shell 3-9.
  • the groove 3-9-1 and the lower half-shell mounting groove 3-9-1 of the upper half-shell 3-9 are cooperatively mounted on the upper half-shell mounting protrusion 3-13-6 of the lower half-shell 3-13.
  • the rear end of the steering hook 3-14 is provided with a rear steering rod hook 3-14-1, and the rear end is provided with a pin hole 3-14-2.
  • the front end of the steering hook 3-14 is connected and reused after the endoscope body of the endoscopic cutting stapler is hooked.
  • On the steering hook connection slot 2-3-1 of the rear steering rod 2-3, the rear end is mounted on the upper and lower adapters 3-7 / 3-16 through pins.
  • the upper half shell 3-9 is provided with a connecting piece mounting groove 3-9-2 outside the front end
  • the connecting piece 3-8 is provided with upper and lower half housing mounting protrusions 3-8-1 at the rear end
  • an adapter mounting hole is provided at the front end.
  • the middle of the upper adapter 3-7 is provided with a push plate movable groove 3-7-1
  • the outside of the upper adapter is provided with a connection piece mounting column 3-7-2
  • the outside of the lower adapter is provided with a connection piece installation Column 3-16-1
  • the upper and lower adapters 3-7 / 3-16 are installed at the front of the upper and lower half shells 3-9 / 3-13 through the connecting piece 3-8
  • the push plate 3-10 is at the upper and lower adapters 3-7 / 3-16 slide in the middle.
  • Pin holes 3-7-3 are provided at the front end of the upper adapter 3-7.
  • the rear end of the nail holder 3-1 is provided with a lower adapter mounting hole 3-1-1.
  • the nail holder 3-1 is installed on the connecting piece mounting post 3-16-1 of the lower adapter 3-16, and the outside is provided with a connection Tablets 3-8.
  • a pin hole 3-5-1 is provided at the rear end of the nail magazine seat 3-5, and the nail magazine seat 3-5 is installed on the upper adapter 3-7 through the pin.
  • a casing 3-12 is sleeved on the outer side of the upper and lower half casings 3-9 / 3-13.
  • a square groove 3-12-1 is provided on the casing, and the casing is fixedly installed on the casing installation positioning protrusion of the lower casing 3-13.
  • U-shaped groove 3-5-2 is in the middle of the nail magazine seat 3-5, and a cutter sliding groove 3-3-1 is provided in the middle of the nail magazine 3-3, and an staple installation hole 3-3 is provided on both sides of the cutter sliding groove.
  • pusher 3-4, staples are installed in stapler installation holes 3-3-2 in stapler 3-3
  • pusher block 3-3 is provided with pusher slide groove 3-3-3
  • pusher block 3-6 is installed in the sliding slot 3-3-3 of the pushing block of the nail silo 3-3, and is fitted with the staples, the pushing piece 3-4, and the nail silo 3-3 of the pushing block 3-6, and is installed in the nail silo seat
  • the U-shaped groove in the middle of 3-5 is inside 3-5-2.
  • the replaceable kiss-cut assembly is installed on the reusable endoscopic stapler gun, and the fixing rod of the lower half of the housing 3-13 is fixedly installed on the lower half of the fixing rod 2-2.
  • the drive sleeve connection slot 2-4-1 at the front end of the firing rod 2-4 is mounted on the firing rod mounting clip 3-11-1 of the drive sleeve 3-11.
  • the inner locking ring of the transmission component 2 butts the handle fixing sleeve of the firing component 1 and rotates to install and fix the firing component 2 and the transmission component 1 to form a re-used endoscopic cutting stapler.
  • the gun body then insert the replaceable kiss-cut assembly 3.
  • the repeated firing assembly of the endoscopic cutting stapler body is used in combination with the repeated endoscopic cutting stapler body, and the reused endoscopic cutting stapler body is used in combination with the repeated endoscopic cutting stapler, and the endoscopic cutting is repeatedly used
  • the inner locking ring 2-11 of the transmission component 2 butts the handle fixing sleeve 1-20 of the firing component 1 and rotates to install and fix the firing component 1 and the transmission component 2 to form a repeated endoscopic cutting and anastomosis.
  • the gun body is then inserted into the replaceable kiss-cut assembly 1 to constitute a repetitive endoscopic stapler.
  • the stapler gun body After the operation is completed, repeatedly use the stapler gun body, pull the handle fixing sleeve 1-20 backward, rotate the transmission component 2 to disengage the transmission component 2 from the firing component 1, the transmission component 2 can be disinfected and cleaned separately, and the lock ring 2- 19 and the inner lock ring 2-11 are connected by threads and can still be removed for cleaning.
  • the joints 1-8 mounted on the rear of the firing assembly 1 can be connected to hospital flushing equipment to flush the interior of the firing assembly. After cleaning and disinfection is completed, the laparoscopic cutting stapler body should be kept in a safe place for the next operation.

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Abstract

Disclosed is a trigger assembly (1) for a reusable endoscopic cutter stapler gun body. The trigger assembly is adapted to be used matching a reusable intracavitary cutter stapler gun body for applying a suture row to an intracavitary tissue. The trigger assembly (1) comprises a fixed handle, a right return handle (1-2), a movable handle return spring (1-3), a return rod (1-4), a pull block spring (1-5), a rack pull block (1-6), a rack (1-7), a joint (1-8), a return pull piece (1-9), a gear driving block (1-10), a return shift fork (1-11), a left return handle (1-12), a bouncing block spring (1-14), a return handle safety block (1-15), a return guard (1-16), a movable handle (1-17), a safety connecting sleeve (1-18), a rotary button pressure spring (1-19) and a handle fixing sleeve (1-20). A reusable endoscopic cutter stapler gun body can reduce operation time, operation risk and relieve pain in a patient. The reusable endoscopic cutter stapler gun body is mounted with a replaceable cutting and stapling component after being sterilized, and is reusable, thus reducing operation costs and an economic burden of a patient.

Description

重复使用腔镜切割吻合器枪身的击发组件Reusable firing assembly of endoscopic stapler body 技术领域Technical field
本发明涉及的是一种重复使用腔镜切割吻合器枪身的击发组件，属于医疗器械，特别适用于在腔内组织上施加线排的重复使用腔内切割吻合器枪身配套。The present invention relates to a firing assembly for the repeated use of an endoscope cutting stapler gun body, which belongs to medical instruments, and is particularly suitable for supporting the repeated use of an internal cutting stapler gun body by applying a line to the tissue in the cavity.
背景技术Background technique
传统的外科手术包括切割、分离、结扎、止血、缝合，最终达到对器官病变的切除和器官的重建。机械缝合器可以代替传统手术，通过以下三项基本操作实现病变器官的切除和重建：1、隔断：即利用线性缝合器将器官距病变一定距离进行缝合，包括实质性器官和腔道器官、血管等，然后离断切除病变器官，或利用线性切割缝合器一次性完成缝合和离断。2、即将需要缝合的组织对合，用线性缝合器钉缝，例如在幽门处纵切横缝，完成幽门成形术。3、用环形吻合器，可以十分便利的将腔道器官如食管、胃、小肠、结肠进行端端吻合、端侧吻合。应用切割缝合器可进行胃肠侧侧吻合。例如直肠结肠端端吻合术，食管胃端侧吻合术及胃空肠侧侧吻合术等。Traditional surgical operations include cutting, dissecting, ligation, hemostasis, and suture, and finally the removal of organ lesions and the reconstruction of organs. Mechanical suture can replace traditional surgery, and the removal and reconstruction of diseased organs are achieved through the following three basic operations: 1. Isolation: the use of linear sutures to suture organs at a certain distance from the lesion, including solid organs and cavity organs, blood vessels, etc. , Then cut off the diseased organ, or use a linear cutting stapler to complete the suture and dissection. 2. The tissues that need to be sutured will be stitched together, and stapled with a linear stapler, such as a longitudinal slit at the pylorus to complete the pyloroplasty. 3. Using an annular stapler, it is very convenient to perform end-to-end anastomosis and end-to-end anastomosis of luminal organs such as the esophagus, stomach, small intestine, and colon. A gastrointestinal anastomosis can be performed using a cutting suture. For example, end-to-end anastomosis of rectum and colon, side-to-side anastomosis of esophagus and stomach, and side-to-side anastomosis of gastrojejunum.
在腹腔式和或内窥手术过程中，手术过程通过病人身上的小切口或***创口的狭窄套管被实施。在传统或开放式的过程中，医生直接的接触手术部位。由于其减少的患者创伤，缩短患者恢复期和显著降低总体成本，腹腔式手术相对开放手术具有优势。为了配合内窥式和腹腔式的具体需求，内窥式缝合设备已被开发使医生能比较容易地接触手术部位。典型地，这些缝合器械包括支撑在逼近缝合设备未端的可铰接的工具部件。该工具部件可被可选择地操控以使医生能在受限的空间内操控手术装置。这些仪器给内窥手术提供了显著的医疗好处。尽管如此，仍希望在成本降低和制造复杂性上有所改进。During laparoscopic and / or endoscopic surgery, the procedure is performed through a small incision on the patient or a narrow cannula inserted into the wound. In traditional or open procedures, the doctor directly touches the surgical site. Because of its reduced patient trauma, shortened patient recovery period and significantly reduced overall cost, abdominal surgery has advantages over open surgery. In order to meet the specific needs of endoscopic and abdominal methods, endoscopic suture devices have been developed to allow doctors to access the surgical site relatively easily. Typically, these suturing instruments include an articulatable tool part supported near the end of the suturing device. The tool component can be selectively manipulated to enable a physician to manipulate the surgical device in a confined space. These instruments provide significant medical benefits to endoscopic surgery. Nevertheless, improvements in cost reduction and manufacturing complexity are still desired.
目前腔镜内切割吻合器中，均是一次性使用，不能重复使用，所以在加工材料方面选择有一定的局限性，太贵则手术成本高，造成病患较大的经济负担，太便宜，则在功能的实现上有一定的欠缺，有可能会造成手术的失败。At present, all endoscopic staplers used in endoscopy are disposable and cannot be reused. Therefore, there are certain limitations in the choice of processing materials. Too expensive will result in high surgical costs, which will cause a large economic burden on patients, and it is too cheap. There is a certain lack in the realization of the function, which may cause the failure of the operation.
因此仍需要对其进一步改进以减少外科手术成本，且强度更强，钳口闭合压力更大的吻合器。Therefore, there is still a need for further improvements to reduce the cost of surgery, and the stapler has stronger strength and greater jaw closing pressure.
发明内容Summary of the Invention
本发明目的是针对上述不足之处提供一种重复使用腔镜切割吻合器枪身的击发组件，重复使用腔镜切割吻合器枪身的击发组件与重复使用腔镜切割吻合器枪身配套使用，重复使用腔镜切割吻合器枪身的击发组件由击发组件和传动组件组成，重复使用腔镜切割吻合器枪身设计合理，结构合理，使用方便。传动结构全部采用金属件，增强器械的传动强度。夹紧吻合组件可以随意调整角度，在手术中能很容易找到适合手术的位置。重复使用腔镜切割吻合器枪身，可以单手操作，使手术更加连贯，夹紧吻合组件闭合压力大，医生可以腾出手拿其他的器械，减少手术时间，降低手术风险，给病人减少痛苦。由于重复使用腔镜切割吻合器枪身经消毒后，安装可更换的吻切组件，可以重复使用，降低了手术成本，减轻了患者的经济负担。The purpose of the present invention is to provide a firing assembly for repeatedly using the endoscope cutting stapler gun body in response to the above-mentioned deficiencies. The firing assembly for repeatedly using the endoscope cutting stapler gun body is matched with the repeated use of the endoscope cutting stapler gun body. The firing component of the repeatedly used endoscope cutting stapler gun body is composed of a firing component and a transmission component. The repeated use of the endoscope cutting stapler gun body is reasonable in design, reasonable in structure and convenient to use. All transmission structures are made of metal to enhance the transmission strength of the instrument. The clamping anastomosis component can be adjusted at any angle, and it is easy to find a suitable position during surgery. The repeated use of the endoscopic cutting stapler gun body can be operated with one hand to make the operation more coherent. The clamping anastomosis component has a large closing pressure. The doctor can free up other instruments to reduce the operation time, reduce the risk of surgery, and reduce pain for the patient. Because the laparoscopic cutting stapler gun body is sterilized after repeated use, replaceable stapling components are installed, which can be reused, which reduces the cost of surgery and reduces the financial burden on patients.
重复使用腔镜切割吻合器枪身的击发组件是采用以下技术方案实现的：The firing assembly of the laparoscopic cutting stapler gun body is realized by the following technical solutions:
重复使用腔镜切割吻合器枪身的击发组件包括固定手柄、右复位手柄、活动手柄复位弹簧、复位杆、拉块弹簧、齿条拉块、齿条、接头、复位拉片、齿轮带动块、复位拨叉、左复位手柄、弹跳块弹簧、复位手柄保险块、复位保险、活动手柄、保险接套、旋转按钮压簧和手柄固定套。The firing components of the repeatedly used endoscopic cutting stapler gun body include a fixed handle, a right reset handle, a movable handle reset spring, a reset lever, a pull block spring, a rack pull block, a rack, a joint, a reset pull tab, a gear drive block, Reset fork, left reset handle, bounce block spring, reset handle safety block, reset safety, movable handle, safety socket, rotary button compression spring and handle fixing sleeve.
齿条后部上侧设置有拉块弹簧安装槽，槽内前部设置有拉块弹簧安装凸起，齿条后端设置有复位杆安装孔，齿条下部设置有齿状凸起，复位拉片通过齿条销安装在齿条一侧，复位杆穿过齿条上的复位杆安装孔将齿条拉块安装在齿条上部的拉块弹簧安装槽内，拉块弹簧一端安装在齿条上的拉块弹簧安装凸起上，另一端安装在齿条拉块前端的凸起上。A pull block spring installation groove is provided on the upper side of the rear of the rack, a pull spring installation protrusion is provided on the front of the slot, a reset lever installation hole is provided on the rear end of the rack, and a tooth-shaped protrusion is provided on the lower part of the rack to reset the pull. The blade is mounted on the rack side through a rack pin, the reset lever passes through the reset lever mounting hole on the rack, and the rack pull block is installed in a pull spring mounting groove on the upper part of the rack, and one end of the pull spring is mounted on the rack The pull spring on the upper part is mounted on the protrusion, and the other end is mounted on the protrusion on the front end of the rack pull block.
固定手柄由左固定手柄和右固定手柄组成。固定手柄上设置有齿条滑动安装槽，齿条安装在固定手柄的齿条滑动安装槽内，固定手柄上设置有活动手柄安装柱。固定手柄前端设置有保险接套安装槽，后端设置有接头安装槽。The fixed handle is composed of a left fixed handle and a right fixed handle. The fixed handle is provided with a rack sliding installation slot, the rack is installed in the rack sliding installation slot, and the fixed handle is provided with a movable handle installation post. The front end of the fixed handle is provided with a safety socket installation groove, and the rear end is provided with a joint installation groove.
活动手柄上部设置有手柄复位保险块安装槽，退位拉杆弹簧和手柄复位保险块安装在活动手柄的手柄复位保险块安装槽内，手柄复位保险块中部设置有弹跳块弹簧安装槽和销子安装孔，弹跳块弹簧和球头销安装在手柄复位保险块上的弹跳块弹簧安装槽内，通过拨叉销，将复位拨叉安装在手柄复位保险块上部，活动手柄上端设置有销子安装孔，通过带动块销，将齿条带动块安装在活动手柄上，活动手柄中部设置有固定手柄安装孔，和复位保险安装孔，复位保险安装在活动手柄的复位保险安装孔内，活动手柄通过固定手柄安装孔安装在固定手柄的活动手柄安装柱上。The upper part of the movable handle is provided with a handle reset safety block installation groove, and the return lever spring and the handle reset safety block are installed in the handle reset safety block installation slot. The middle part of the handle reset safety block is provided with a bounce block spring installation slot and a pin installation hole. The bouncing block spring and ball head pin are installed in the bouncing block spring mounting groove on the handle reset safety block. The reset fork is installed on the upper part of the handle reset safety block through the fork pin. The upper end of the movable handle is provided with a pin mounting hole. The rack driving block is installed on the movable handle by driving the block pin. A fixed handle mounting hole and a resetting insurance mounting hole are provided in the middle of the movable handle. The resetting insurance is installed in the resetting insurance mounting hole of the movable handle. The movable handle passes the fixed handle. The mounting hole is mounted on a movable handle mounting post of the fixed handle.
活动手柄复位弹簧一端钩在齿条带动块上，另一端通过弹簧销固定在固定手柄上。One end of the reset spring of the movable handle is hooked on the rack driving block, and the other end is fixed on the fixed handle by a spring pin.
旋转按钮压簧套装在保险接套上，保险接套安装在固定手柄前端的保险接套安装槽内，手柄固定套套装在保险接套外部，并且能在固定手柄前端滑动。The rotary button compression spring is sleeved on the safety socket. The safety socket is installed in the safety socket installation groove at the front end of the fixed handle. The handle fixing sleeve is set outside the safety socket and can slide on the front end of the fixed handle.
接头安装在固定手柄后端的接头安装槽内。The connector is installed in a connector installation groove at the rear end of the fixed handle.
左固定手柄和右固定手柄通过螺钉固定在一起，左复位手柄、右复位手柄分别安装在固定手柄两侧的复位杆两端。The left fixed handle and the right fixed handle are fixed together by screws, and the left and right reset handles are respectively installed at both ends of the reset levers on both sides of the fixed handle.
可更换吻切组件装在重复使用腔镜切割吻合器枪身上，下半壳体的固定杆配合安装凸起，固定安装在固定杆的下半壳体安装卡槽上，击发推杆前端的驱动套连接槽，安装在驱动套的击发推杆安装卡扣上。The replaceable kiss-cutting module is installed on the body of the repetitive endoscopic cutting stapler gun. The fixing rod of the lower half shell cooperates with the mounting protrusion, and is fixedly installed on the fixing slot of the lower half shell of the fixing rod. The sleeve connecting groove is installed on the firing rod mounting clip of the driving sleeve.
重复使用腔镜切割吻合器枪身在使用时，传动组件的内锁圈对接击发组件的手柄固定套，转动，将击发组件和传动组件安装固定，组成重复使用腔镜切割吻合器枪身，然后装入可更换的吻切组件。Repeated use of endoscopic cutting stapler gun body In use, the inner locking ring of the transmission assembly is connected with the handle fixing sleeve of the firing component, and the firing component and the transmission component are fixed to form a reusable endoscopic cutting stapler body. Then, Load the replaceable kiss-cut assembly.
工作原理：working principle:
重复使用腔镜切割吻合器枪身的击发组件与重复使用腔镜切割吻合器枪身配套使用，重复使用腔镜切割吻合器枪身在使用时，传动组件的内锁圈对接击发组件的手柄固定套，转动，将击发组件和传动组件安装固定，组成重复使用腔镜切割吻合器枪身，然后装入可更换的吻切组件构成重复使用腔镜切割吻合器。重复使用腔镜切割吻合器通过穿刺器进入腹腔内，确定需要切割吻合部位，在确定手术部位时，转动手柄固定套，可更换吻切组件可随之转动，方便调整位置，另外，转动旋转手柄，带动旋转固定块转动，将转向后拉杆、转向拉钩往后拉动，拉动上下转接头往一侧偏，达到转动抵钉座钉仓座的效果，即吻合组件部位可左右摆动。调整好问切位置，按动活动手柄，通过装在活动手柄上的齿条带动块，推动齿条、击发推杆、驱动套、推动板、切割刀，完成钳口闭合，松开活动手柄，在活动手柄复位弹簧、拉块弹簧的作用下，使齿条复位，带动击发推杆、驱动套、推动板、切割刀复位，打开钳口，此时重复使用腔镜切割吻合器可作钳子功能，用来夹取异物。钳口闭合后，若切割吻合位置合适，按动复位保险，使活动手柄复位，再次按动活动手柄，齿条带动块推动齿条、击发推杆、驱动套、推动板、切割刀，往前击发，切割刀推动推动块、推片，使装在钉仓内的吻合钉推出，再切割的同时完成吻合。拉动复位手柄，带动齿条、击发推杆、驱动套、推动板、 切割刀复位，打开钳口后，将重复使用腔镜切割吻合器从穿刺器中拿出，完成一次切割吻合，若手术仍需切割吻合，则往后拉动退位拉杆块，带动退位拉片、退位拉杆往后拉动，使可更换问切组件中的下半壳体从传动组件的锁定状态打开，取下可更换问切组件，更换一个新的可更换问切组件，再次进行手术直至完成手术。手术完成后，重复使用吻合器枪身，往后拉动手柄固定套，转动传动组件，使传动组件从击发组件中脱离，传动组件可单独消毒清洗，固定锁圈与内锁圈是通过螺纹连接的，仍可拆卸清洗，击发组件后部装有的接头，可连接医院冲洗设备，进行冲洗击发组件内部。完成清洗消毒后，妥善保存重复使用腔镜切割吻合器枪身，以备下次手术。The reusable firing assembly of the endoscopic cutting stapler body is used in combination with the reusable endoscopic cutting stapler body. When the reusable endoscopic cutting stapler body is used, the inner locking ring of the transmission component is fixed to the handle of the firing component. The sleeve is rotated, and the firing component and the transmission component are installed and fixed to form a reusable endoscopic cutting stapler body, and then a replaceable cutting component is installed to form a repetitive endoscopic cutting stapler. Repeatedly use the laparoscopic cutting stapler to enter the abdominal cavity through the puncture device, and determine that the anastomosis site needs to be cut. When determining the surgical site, turn the handle fixing sleeve, and the replaceable cutting and cutting component can be rotated to facilitate adjustment of the position. In addition, the rotary handle is rotated , Drive the rotation fixing block to rotate, pull the steering rear lever and steering hook backward, pull the upper and lower adapters to one side, and achieve the effect of turning against the nail holder and nail holder seat, that is, the anastomotic component part can swing left and right. Adjust the cutting position, press the movable handle, and drive the rack through the rack mounted on the movable handle to push the rack, fire the push rod, drive sleeve, push plate, cutting knife to complete the jaw closing, loosen the movable handle, Under the action of the movable handle reset spring and pull block spring, the rack is reset, which drives the firing rod, drive sleeve, push plate, and cutter to reset, and opens the jaws. At this time, the endoscopic stapler can be reused as a pliers function. , Used to clamp foreign objects. After the jaws are closed, if the cutting anastomosis position is appropriate, press the reset safety to reset the movable handle. Press the movable handle again. The rack drive block pushes the rack, fires the push rod, drive sleeve, push plate, cutting knife, forward For firing, the cutting blade pushes the pushing block and the pushing piece to push out the staples installed in the nail magazine, and then completes the anastomosis while cutting. Pull the reset handle to drive the rack, the firing rod, the driving sleeve, the push plate, and the cutter to reset. After opening the jaws, the repetitive endoscopic stapler is taken out of the puncture device to complete a cutting anastomosis. Need to cut and match, then pull back the pull rod block, drive the pull tab, pull the pull rod backward, so that the lower half shell in the replaceable cutting module is opened from the locked state of the transmission module, and the replaceable cutting module is removed , Replace with a new interchangeable cutting component, and perform the operation again until the operation is completed. After the operation is completed, the stapler gun body is repeatedly used, the handle fixing sleeve is pulled back, and the transmission component is separated from the firing component. The transmission component can be disinfected and cleaned separately. The fixed lock ring and the inner lock ring are connected by threads. , Can still be disassembled and cleaned, the connector installed at the rear of the firing component can be connected to the hospital flushing equipment to flush the interior of the firing component. After cleaning and disinfection is completed, the laparoscopic cutting stapler body should be kept in a safe place for the next operation.
重复使用腔镜切割吻合器枪身的击发组件与重复使用腔镜切割吻合器枪身配套使用，重复使用腔镜切割吻合器的击发组件设计合理，结构紧凑，重复使用腔镜切割吻合器枪身与重复使用腔镜切割吻合器配套使用，使用方便。重复使用腔镜切割吻合器枪身结合现有的可更换吻切组件，在使用时，可360度旋转吻切组件，并且吻切组件的抵钉座钉仓座可左右摆动，以方便医生在腹腔这样狭小的空间内手术时，能更加方便的找到合适的手术位置。此外，由于重复使用腔镜切割吻合器枪身可重复使用，因此单把器械在成本上有所增加，选用强度更好，稳定性更好的材料加工，以更加完美的完成手术需要的强度韧性，而更好的性能，由于可重复使用，单台手术成本则大大降低，让患者在能享受到更好的医疗效果的同时，又不用承担高昂的手术费用。The reusable firing assembly of the endoscopic cutting stapler body is matched with the reusable firing assembly of the endoscopic cutting stapler. The reusable firing assembly of the endoscopic cutting stapler is reasonable in design and compact in structure. The reusable endoscopic cutting stapler body is reused. It is matched with the reusable endoscopic stapler and is easy to use. Reuse the endoscope cutting stapler gun body in combination with the existing replaceable cutting and cutting components. During use, the cutting and cutting components can be rotated 360 degrees, and the staple holder of the cutting and cutting components can be swung left and right to facilitate the doctor's When operating in a narrow space such as the abdominal cavity, it is easier to find a suitable surgical location. In addition, since the laparoscopic cutting stapler can be used repeatedly, the cost of a single instrument is increased, and materials with better strength and stability are used to process the strength and toughness required for the operation more perfectly. And better performance, because it can be reused, the cost of a single operation is greatly reduced, so that patients can enjoy better medical results without having to bear high surgical costs.
由于设置了传动组件和击发组件，在拆洗重复使用腔镜切割吻合器枪身时，可拆开清洗，达到清洗更加彻底的目的。Because the transmission component and the firing component are provided, when the laparoscopic cutting stapler body is repeatedly used for disassembly and cleaning, the cleaning and disassembly can be disassembled for more thorough cleaning.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
以下结合附图对本发明作进一步说明：The following further describes the present invention with reference to the drawings:
图1是重复使用腔镜切割吻合器枪身及其使用示意图；FIG. 1 is a schematic view of a repetitive endoscopic cutting stapler gun body and its use;
图2是重复使用腔镜切割吻合器枪身的击发组件结构示意图；FIG. 2 is a schematic structural diagram of a firing component of a stapler stapler gun body repeatedly used;
图3是重复使用腔镜切割吻合器枪身的传动组件结构示意图；3 is a schematic structural diagram of a transmission component of an endoscope cutting stapler gun body repeatedly used;
图4是重复使用腔镜切割吻合器枪身传动组件的固定杆结构示意图；4 is a schematic structural diagram of a fixing rod of an endoscope cutting stapler body transmission component for repeated use;
图5是重复使用腔镜切割吻合器枪身传动组件的旋转固定上手柄结构示意图；FIG. 5 is a structural schematic view of a rotary fixed upper handle of the endoscope cutting stapler body transmission component repeatedly used;
图6是重复使用腔镜切割吻合器枪身传动组件的旋转手柄结构示意图；FIG. 6 is a structural schematic view of a rotary handle of the endoscope cutting stapler body transmission component repeatedly used;
图7是重复使用腔镜切割吻合器的可更换吻切组件结构示意图；FIG. 7 is a schematic structural diagram of a replaceable anastomosis component that repeatedly uses an endoscopic stapler;
图8是重复使用腔镜切割吻合器的可更换吻切组件的下半壳体结构示意图；8 is a schematic structural diagram of a lower half shell of a replaceable anastomosis component that repeatedly uses an endoscopic stapler;
图9是重复使用腔镜切割吻合器枪身的旋转结构使用示意图；FIG. 9 is a schematic diagram of a rotating structure using a laparoscopic cutting stapler gun body;
图10是重复使用腔镜切割吻合器枪身的传动机构结构使用示意图；FIG. 10 is a schematic view showing the structure of a transmission mechanism for repeatedly cutting an anastomosis gun body using an endoscope;
图11是重复使用腔镜切割吻合器枪身的退位装置使用示意图。FIG. 11 is a schematic diagram showing the use of a dislocation device for repeatedly cutting an endoscope stapler gun body.
具体实施方式detailed description
参照附图1-11，重复使用腔镜切割吻合器包括击发组件1、传动组件2、可更换吻切组件3。1-11, a repetitive endoscopic cutting stapler includes a firing component 1, a transmission component 2, and a replaceable staple cutting component 3.
重复使用腔镜切割吻合器枪身包括击发组件和传动组件。The reusable endoscopic stapler body includes a firing component and a transmission component.
所述的击发组件1包括固定手柄、右复位手柄1-2、活动手柄复位弹簧1-3、复位杆1-4、拉块弹簧1-5、齿条拉块1-6、齿条1-7、接头1-8、复位拉片1-9、齿轮带动块1-10、复位拨叉1-11、左复位手柄1-12、弹跳块弹簧1-14、复位手柄保险块1-15、复位保险1-16、活动手柄1-17、保险接套1-18、旋转按钮压簧1-19、手柄固定套1-20。The firing assembly 1 includes a fixed handle, a right reset handle 1-2, a movable handle reset spring 1-3, a reset lever 1-4, a pull block spring 1-5, a rack pull block 1-6, and a rack 1- 7, connector 1-8, reset pull tab 1-9, gear drive block 1-10, reset fork 1-11, left reset handle 1-12, bounce block spring 1-14, reset handle safety block 1-15, Reset insurance 1-16, movable handle 1-17, fuse 1-18, rotary button compression spring 1-19, handle fixed sleeve 1-20.
齿条1-7后部上侧设置有拉块弹簧安装槽1-7-1，槽内前部设置有拉块弹簧安装凸起1-7-2，齿条后端设置有复位杆安装孔1-7-3，齿条下部设置有齿状凸起1-7-4，复位拉片1-9通过齿条销安装在齿条1-7一侧，复位杆1-4穿过齿条1-7上的复位杆安装孔1-7-3将齿条拉块1-6安装在齿条1-7上部的拉块弹簧安装槽1-7-1内，拉块弹簧1-5一端安装在齿条1-7上的拉块弹簧安装凸起1-7-2上，另一端安装在齿条拉块1-6前端的凸起上。A rack spring mounting slot 1-7-1 is provided on the upper side of the rear of the rack 1-7, a rack spring mounting protrusion 1-7-2 is provided on the front of the slot, and a reset lever mounting hole is provided at the rear end of the rack 1-7-3, the lower part of the rack is provided with a toothed protrusion 1-7-4, the reset pull tab 1-9 is installed on the side of the rack 1-7 through the rack pin, and the reset lever 1-4 passes through the rack Mounting hole for reset lever on 1-7 1-7-3 Install rack pull block 1-6 in pull block spring mounting slot 1-7-1 on top of rack 1-7, one end of pull block spring 1-5 The pull block spring mounting protrusion 1-7-2 installed on the rack 1-7, and the other end is mounted on the protrusion of the front end of the rack pull block 1-6.
固定手柄由左固定手柄1-13和右固定手柄1-1组成。固定手柄上设置有齿条滑动安装槽1-1-1，齿条1-7安装在固定手柄1-1的齿条滑动安装槽1-1-1内，固定手柄上设置有活动手柄安装柱1-1-2。固定手柄前端设置有保险接套安装槽1-1-3，后端设置有接头安装槽1-1-4。The fixed handle is composed of a left fixed handle 1-13 and a right fixed handle 1-1. The fixed handle is provided with a rack sliding installation slot 1-1-1, the rack 1-7 is installed in the rack sliding installation slot 1-1-1 of the fixed handle 1-1, and the fixed handle is provided with a movable handle installation post 1-1-2. The front end of the fixed handle is provided with a safety socket installation groove 1-1-3, and the rear end is provided with a joint installation groove 1-1-4.
活动手柄1-17上部设置有手柄复位保险块安装槽1-17-1，退位拉杆弹簧和手柄复位保险块1-15安装在活动手柄1-17的手柄复位保险块安装槽1-17-1内，手柄复位保险块1-15中部设置有弹跳块弹簧安装槽1-15-1和销子安装孔1-15-2，弹跳块弹簧1-14和球头销安装 在手柄复位保险块1-15上的弹跳块弹簧安装槽1-15-1内，通过拨叉销，将复位拨叉1-11安装在手柄复位保险块1-15上部，活动手柄上端设置有销子安装孔1-17-2，通过带动块销，将齿条带动块1-10安装在活动手柄1-17上，活动手柄中部设置有固定手柄安装孔1-17-3，和复位保险安装孔1-17-4，复位保险1-16安装在活动手柄1-17的复位保险安装孔1-17-4内，活动手柄1-17通过固定手柄安装孔1-17-3安装在固定手柄1-1的活动手柄安装柱1-1-2上。The upper part of the movable handle 1-17 is provided with a handle resetting safety block installation groove 1-17-1, and the return lever spring and the handle resetting safety piece 1-15 are installed on the movable handle 1-17. In the middle of the handle reset safety block 1-15, a bounce block spring mounting groove 1-15-1 and a pin mounting hole 1-15-2 are provided, and the bounce block spring 1-14 and the ball pin are installed in the handle reset safety block 1 In the spring mounting slot 1-15-1 of the bounce block -15, the reset fork 1-11 is installed on the upper part of the handle reset safety block 1-15 through the fork pin, and the upper end of the movable handle is provided with a pin mounting hole 1- 17-2. The rack drive block 1-10 is installed on the movable handle 1-17 by driving the block pin. A fixed handle mounting hole 1-17-3 and a resetting safety mounting hole 1-17- are provided in the middle of the movable handle. 4. The reset safety 1-16 is installed in the reset safety installation hole 1-17-4 of the movable handle 1-17, and the movable handle 1-17 is installed in the fixed handle 1-1 through the fixed handle installation hole 1-17-3. The handle is mounted on the post 1-1-2.
活动手柄复位弹簧1-3一端钩在齿条带动块1-10上，另一端通过弹簧销固定在固定手柄1-1上。One end of the movable handle reset spring 1-3 is hooked on the rack driving block 1-10, and the other end is fixed on the fixed handle 1-1 by a spring pin.
旋转按钮压簧1-19套装在保险接套1-18上，保险接套1-18安装在固定手柄1-1前端的保险接套安装槽1-1-3内，手柄固定套1-20套装在保险接套1-18外部，并且能在固定手柄1-1前端滑动。The rotary button compression spring 1-19 is set on the safety socket 1-18, the safety socket 1-18 is installed in the safety socket installation groove 1-1-3 at the front end of the fixed handle 1-1, and the handle fixing sleeve 1-20 The set is outside the safety socket 1-18, and can slide on the front end of the fixed handle 1-1.
接头1-8安装在固定手柄1-1后端的接头安装槽1-1-4内。The connector 1-8 is installed in the connector mounting slot 1-1-4 at the rear end of the fixed handle 1-1.
固定手柄由左固定手柄1-13和右固定手柄1-1组成。左固定手柄1-13和右固定手柄1-1通过螺钉固定在一起，左复位手柄1-12、右复位手柄1-2分别安装在固定手柄两侧的复位杆1-4两端。The fixed handle is composed of a left fixed handle 1-13 and a right fixed handle 1-1. The left fixed handle 1-13 and the right fixed handle 1-1 are fixed together by screws. The left reset handle 1-12 and the right reset handle 1-2 are respectively installed at both ends of the reset levers 1-4 on both sides of the fixed handle.
传动组件2包括接杆套管2-1、固定杆2-2、转向后拉杆2-3、击发推杆2-4、退位拉杆2-5、退位拉片2-6、退位拉杆块2-7、旋转固定下手柄2-8、支撑块2-9、旋转固定块2-10、内锁圈2-11、旋转定位盖2-12、旋转下压片2-13、旋转上压片2-14、旋转手柄弹簧2-15、旋转盖2-16、旋转手柄2-17、旋转固定上手柄2-18、固定锁圈2-19和滑块2-20。The transmission assembly 2 includes a connecting rod sleeve 2-1, a fixed rod 2-2, a rear steering rod 2-3, a firing rod 2-4, a retraction rod 2-5, a retraction rod 2-6, and a retraction rod block 2- 7. Rotary fixed lower handle 2-8, support block 2-9, rotary fixed block 2-10, inner lock ring 2-11, rotary positioning cover 2-12, rotary lower pressure plate 2-13, rotary upper pressure plate 2 -14, rotating handle spring 2-15, rotating cover 2-16, rotating handle 2-17, rotating fixed upper handle 2-18, fixed lock ring 2-19 and slider 2-20.
固定杆2-2中部设置有通孔2-2-1，固定杆2-2后端上部设有滑块槽2-2-2和安装定位槽2-2-3，固定杆2-2左侧后端设有安装定位槽2-2-4，固定杆右侧设有转向后拉杆滑动槽2-2-5，固定杆2-2底部后端设有退位拉杆块滑动槽2-2-6，固定杆2-2底部设有退位拉片滑动槽2-2-7。滑块2-20安装在固定杆2-2后端上部的滑块槽2-2-2内。转向后拉杆2-3前端设有转向拉钩连接槽2-3-1，后端设有转向固定块连接孔2-3-2，转向后拉杆2-3安装在固定杆2-2右侧的转向后拉杆滑动槽2-2-5内。退位拉杆2-5后端设有弹簧安装槽2-5-1，退位拉杆2-5安装在固定杆2-2底部前端的退位拉杆滑动槽2-2-6内。一弹簧安装在退位拉杆2-5后端的弹簧安装槽2-5-1内。退位拉片2-6前端设有退位拉杆连接孔2-6-1，后端设有销子 安装孔2-6-2，退位拉片2-6安装在固定杆2-2底部的退位拉片滑动槽2-2-7内。击发推杆2-4前端设有驱动套连接槽2-4-1，后端设有齿条连接槽2-4-2，击发推杆2-4装插在固定杆2-2中部通孔2-2-1内，后端与齿条1-7相连接。接杆套管2-1后端设有定位孔2-1-1。固定杆2-2外部套装有接杆套管2-1。固定杆2-2前端设置有下半壳体安装卡槽2-2-8。A through hole 2-2-1 is provided in the middle of the fixing rod 2-2, and a slider groove 2-2-2 and an installation positioning groove 2-2-3 are provided on the upper part of the rear end of the fixing rod 2-2. The fixing rod 2-2 is left The rear side of the side is provided with a mounting positioning slot 2-2-4, the right side of the fixed rod is provided with a rear steering rod sliding groove 2-2-5, and the bottom rear end of the fixed rod 2-2 is provided with a retracted rod block sliding groove 2-2- 6, the bottom of the fixed rod 2-2 is provided with a pull-back slide slot 2-2-7. The slider 2-20 is installed in the slider groove 2-2-2 at the upper part of the rear end of the fixing rod 2-2. The rear steering rod 2-3 is provided with a steering hook connection slot 2-3-1 at the front end, and a steering fixing block connection hole 2-3-2 at the rear end. The rear steering rod 2-3 is installed on the right side of the fixed rod 2-2. Steer rear lever slide groove 2-2-5. The rear end of the retraction lever 2-5 is provided with a spring mounting groove 2-5-1, and the retraction lever 2-5 is installed in the retraction lever sliding groove 2-2-6 at the bottom front end of the fixed lever 2-2. A spring is installed in the spring installation slot 2-5-1 at the rear end of the retraction lever 2-5. The pull-out pull tab 2-6 is provided with a pull-out lever connecting hole 2-6-1 at the front end, and a pin mounting hole 2-6-2 at the rear end. The pull-out pull tab 2-6 is installed at the bottom of the fixed rod 2-2. Inside the slide slot 2-2-7. The firing push rod 2-4 is provided with a drive sleeve connecting groove 2-4-1 at the front end and a rack connecting groove 2-4-2 at the rear end. The firing push rod 2-4 is inserted into the through hole in the middle of the fixing rod 2-2 In 2-2-1, the rear end is connected to racks 1-7. A positioning hole 2-1-1 is provided at the rear end of the post sleeve 2-1. A post sleeve 2-1 is fitted on the outside of the fixing rod 2-2. The front end of the fixing rod 2-2 is provided with a mounting slot 2-2-8 for the lower half shell.
旋转固定上手柄2-18前端设有固定锁圈连接螺纹2-18-1，后端设有内锁圈连接螺纹2-18-2，旋转固定上手柄2-18内部前端设有固定杆安装定位凸台2-18-3和定位槽2-18-4，旋转固定上手柄中部一侧设有支撑块安装槽2-18-5，旋转固定上手柄中部内设有旋转固定块滑动槽2-18-6，旋转固定上手柄下部两侧设有旋转固定下手柄安装槽2-18-7，旋转固定上手柄上部设有旋转定位盖安装孔2-18-8，旋转定位盖安装孔2-18-8外侧设有旋转盖安装定位槽2-18-9，两侧设有旋转盖定位螺孔2-18-10。Rotary fixed upper handle 2-18 is provided with a fixed lock ring connection thread 2-18-1 at the front end, and an inner lock ring connected thread 2-18-2 is provided at the rear end, and a fixed rod is installed at the inner front end of the rotary fixed upper handle 2-18 Positioning boss 2-18-3 and positioning groove 2-18-4, a support block installation groove 2-18-5 is provided on the middle side of the rotary fixed upper handle, and a rotary fixed block slide groove 2 is provided in the middle of the rotary fixed upper handle -18-6, the two sides of the lower part of the rotary fixed upper handle are provided with a rotary fixed lower handle mounting groove 2-18-7, the upper part of the rotary fixed upper handle is provided with a rotary positioning cover mounting hole 2-18-8, and the rotary positioning cover mounting hole 2 On the outside of -18-8, there is a rotating cover installation positioning groove 2-18-9, and on both sides there are rotating cover positioning screw holes 2-18-10.
旋转手柄2-17内部设有安装柱2-17-1，安装柱一端设有螺孔2-17-2，旋转手柄下部前端设有旋转凸台2-17-3。旋转盖2-16中部设有旋转手柄安装柱的安装孔2-16-1，旋转盖2-16上部设有旋转手柄旋转凸台的滑动槽2-16-2，旋转盖2-16下部设有定位凸台2-16-3，两侧设有螺孔2-16-4。旋转上压片2-14和旋转下压片2-13中部设有旋转手柄安装柱的安装孔2-14-1/2-13-1。旋转定位盖2-12中部设有旋转手柄安装定位凸台2-12-1，旋转手柄安装定位凸台2-12-1中间设有螺钉安装孔，下部设有旋转固定块拨动柱2-12-2。The rotating handle 2-17 is provided with a mounting post 2-17-1 inside, one end of the mounting post is provided with a screw hole 2-17-2, and the lower front end of the rotating handle is provided with a rotating boss 2-17-3. The rotating cover 2-16 is provided with a mounting hole 2-16-1 of the rotating handle mounting column in the middle, a sliding groove 2-16-2 of the rotating handle rotating boss at the upper part of the rotating cover 2-16, and a lower part of the rotating cover 2-16. There are positioning bosses 2-16-3 and screw holes 2-16-4 on both sides. The rotating upper pressing piece 2-14 and the rotating lower pressing piece 2-13 are provided with mounting holes 2-1-4 / 2-13-1 in the middle of the rotating handle mounting post. The center of the rotary positioning cover 2-12 is provided with a rotary handle mounting positioning boss 2-12-1, a rotary handle mounting positioning boss 2-12-1 is provided with a screw mounting hole in the middle, and a rotary fixing block toggle column 2- 12-2.
旋转下压片2-13、旋转上压片2-14、旋转手柄弹簧2-15、旋转盖2-16依次安装在旋转固定上手柄2-18的旋转定位盖安装孔2-18-8内，旋转盖2-16通过螺钉安装固定在旋转固定上手柄2-18的旋转盖定位螺孔2-18-10内，旋转手柄2-17通过螺钉、旋转定位盖2-12定位安装在旋转盖2-16上部。Rotary lower platen 2-13, rotary upper platen 2-14, rotary handle spring 2-15, rotary cover 2-16 are installed in turn in the rotary positioning cover mounting hole 2-18-8 of the rotary fixed upper handle 2-18 The rotary cover 2-16 is fixed in the rotary cover positioning screw hole 2-18-10 of the rotary fixed upper handle 2-18 by screw installation, and the rotary handle 2-17 is fixed and installed in the rotary cover by screw and rotary positioning cover 2-12. 2-16 upper part.
旋转固定块2-10前端设有转向拉钩连接槽2-10-1，后端设有旋转固定块拨动柱安装孔2-10-2。旋转固定块2-10安装在旋转固定上手柄2-18内部。The rotary fixing block 2-10 is provided with a steering hook connection slot 2-10-1 at the front end and a rotary fixing block dial mounting hole 2-10-2 at the rear end. The rotation fixing block 2-10 is installed inside the rotation fixing upper handle 2-18.
旋转固定下手柄2-8前端设有固定锁圈连接螺纹2-8-1，前端内部设有退位拉片滑动槽2-8-2和退位拉杆块滑动槽2-8-3，后端设有内锁圈连接螺纹2-8-4，旋转固定下手柄2-8内部前端设有固定杆安装定位槽2-8-5，旋转固定下手柄2-8下部两侧设有旋转固定上手柄安装凸台2-8-6。Rotary fixed lower handle 2-8 The front end is provided with a fixed lock ring connection thread 2-8-1. The front end is provided with a pull-back slide slot 2-8-2 and a pull-back block slide slot 2-8-3. With internal lock ring connection thread 2-8-4, the rotation fixed lower handle 2-8 is provided with a fixed rod installation positioning groove 2-8-5 at the front end, and the rotation fixed lower handle 2-8 is provided with a rotation fixed upper handle on both sides of the lower part Install the boss 2-8-6.
退位拉杆块2-7前端设有退位拉杆销孔2-7-1，后端设有螺孔2-7-2，退位拉杆块2-7通过螺钉安装在旋转固定下手柄2-8下部，退位拉片2-6通过退位拉杆销连接在旋转固定下手柄2-8上。旋转固定上下手柄通过定位凸台，定位凹槽安装固定在一起。The pull rod block 2-7 is provided with a pull rod pin hole 2-7-1 at the front end, and a screw hole 2-7-2 at the rear end. The pull rod block 2-7 is installed on the lower part of the rotating fixed lower handle 2-8 by screws. The disengagement pull tab 2-6 is connected to the rotation fixed lower handle 2-8 through the disengagement pull rod pin. The upper and lower handles are rotated and fixed through the positioning boss and the positioning grooves are fixed together.
固定锁圈2-19内部设有内螺纹，固定锁圈2-19穿过接杆套管2-1安装在旋转固定上下手柄前端。The fixed lock ring 2-19 is provided with an internal thread. The fixed lock ring 2-19 is installed on the front end of the rotary fixed upper and lower handle through the post sleeve 2-1.
内锁圈2-11内部设有内螺纹，内锁圈2-11固定在旋转固定上下手柄后端。The inner lock ring 2-11 is provided with an internal thread, and the inner lock ring 2-11 is fixed at the rear end of the upper and lower handles for rotation and fixation.
可更换吻切组件3包括抵钉座3-1、钉仓弹簧片3-2、钉仓3-3、推片3-4、钉仓座3-5、推动块3-6、上转接头3-7、连接片3-8、上半壳体3-9、推动板3-10、驱动套3-11、套管3-12、下半壳体3-13、转向拉钩3-14、保护盖3-15、下转接头3-16、切割刀3-17。The replaceable kiss-cutting assembly 3 includes a nail holder 3-1, a nail holder spring sheet 3-2, a nail holder 3-3, a push sheet 3-4, a nail holder seat 3-5, a push block 3-6, and an up-converter 3-7, connecting piece 3-8, upper half shell 3-9, push plate 3-10, drive sleeve 3-11, sleeve 3-12, lower half shell 3-13, steering hook 3-14, Protective cover 3-15, lower adapter 3-16, cutter 3-17.
下半壳体3-13后端设置有通孔3-13-1，通孔一侧设置有转向拉钩安装槽3-13-2，下半壳体中部设置有推动板活动槽3-13-3，底部设置有连接片安装槽3-13-4，下半壳体后端通孔外侧设置有固定杆配合安装凸起3-13-5，下半壳体中部设置有上半壳体安装凸起3-13-6，外侧设置有套管安装定位凸起3-13-7。驱动套3-11安装在下半壳体3-13后端的推动板活动槽3-13-3内，推动版3-10后端设置有驱动套安装凸起3-10-1，推动板3-10前端设置有切割刀配合凸起3-10-2，切割刀3-17后端设置有推动板配合槽3-17-1，切割刀3-17焊接在推动板3-10前端的切割刀配合凸起3-10-2上，推动板3-10在下半壳体3-13的推动板活动槽3-13-3内活动，上半壳体3-9中部设置有下半壳体安装槽3-9-1，上半壳体3-9的下半壳体安装槽3-9-1配合安装在下半壳体3-13的上半壳体安装凸起3-13-6上。转向拉钩3-14前端设置有转向后拉杆挂钩3-14-1，后端设置有销子孔3-14-2，转向拉钩3-14前端在连接重复使用腔镜切割吻合器枪身后，挂钩在转向后拉杆2-3的转向拉钩连接槽2-3-1上，后端通过销子安装在上下转接头3-7/3-16上。上半壳体3-9前端外侧设置有连接片安装槽3-9-2，连接片3-8后端设置有上下半壳体安装凸起3-8-1，前端设置有转接头安装孔3-8-2，上转接头3-7中部设置有推动板活动槽3-7-1，上转接头外侧设置有连接片安装柱3-7-2，下转接头外侧设置有连接片安装柱3-16-1，上下转接头3-7/3-16通过连接片3-8安装在上下半壳体3-9/3-13前端，推动板3-10在上下转接头3-7/3-16中部滑动。上转接头3-7前端设置有销子孔3-7-3。抵钉座3-1后端设置有下转接头安装孔3-1-1，抵钉座3-1安装在下转接头3-16的连接片安装柱3-16-1上，外侧装有连接片3-8。钉仓座3-5后端设置有销子孔3-5-1，通过销子将钉仓座3-5安装在上转接头3-7上。上下半壳体3-9/3-13外侧套装有套管3-12，套管上设置 有方形槽3-12-1，固定安装在下半壳体3-13的套管安装定位凸起上3-13-7。钉仓座3-5中部呈U形槽3-5-2，钉仓3-3中部设置有切割刀滑动槽3-3-1，切割刀滑动槽两侧设置有吻合钉安装孔3-3-2，推片3-4、吻合钉安装在钉仓3-3的吻合钉安装孔3-3-2内，钉仓3-3上设置有推动块滑动槽3-3-3，推动块3-6安装在钉仓3-3的推动块滑动槽3-3-3内，装有吻合钉、推片3-4、推动块3-6的钉仓3-3，安装在钉仓座3-5中部的U形槽3-5-2内。The rear half of the lower casing 3-13 is provided with a through hole 3-13-1, one side of the through hole is provided with a steering hook installation groove 3-13-2, and the middle of the lower half casing is provided with a push plate movable groove 3-13. 3. A connecting piece mounting groove 3-13-4 is provided at the bottom, a fixing rod cooperates with a mounting protrusion 3-13-5 is provided outside the through hole at the rear end of the lower half housing, and an upper half housing is installed at the middle of the lower half housing The protrusion 3-13-6 is provided with a sleeve mounting positioning protrusion 3-13-7 on the outside. The driving sleeve 3-11 is installed in the pushing plate movable groove 3-13-3 at the rear end of the lower half casing 3-13. The driving plate 3-10 is provided with a driving sleeve mounting protrusion 3-10-1 at the rear end, and the pushing plate 3- The front end of the 10 is provided with a cutting blade matching the protrusion 3-10-2, the rear end of the cutting blade 3-17 is provided with a pushing plate matching groove 3-17-1, and the cutting blade 3-17 is welded to the front end of the pushing plate 3-10. On the matching protrusion 3-10-2, the pushing plate 3-10 moves in the pushing plate movable groove 3-13-3 of the lower half shell 3-13, and the lower half shell is provided in the middle of the upper half shell 3-9. The groove 3-9-1 and the lower half-shell mounting groove 3-9-1 of the upper half-shell 3-9 are cooperatively mounted on the upper half-shell mounting protrusion 3-13-6 of the lower half-shell 3-13. The rear end of the steering hook 3-14 is provided with a rear steering rod hook 3-14-1, and the rear end is provided with a pin hole 3-14-2. The front end of the steering hook 3-14 is connected and reused after the endoscope body of the endoscopic cutting stapler is hooked. On the steering hook connection slot 2-3-1 of the rear steering rod 2-3, the rear end is mounted on the upper and lower adapters 3-7 / 3-16 through pins. The upper half shell 3-9 is provided with a connecting piece mounting groove 3-9-2 outside the front end, the connecting piece 3-8 is provided with upper and lower half housing mounting protrusions 3-8-1 at the rear end, and an adapter mounting hole is provided at the front end. 3-8-2, the middle of the upper adapter 3-7 is provided with a push plate movable groove 3-7-1, the outside of the upper adapter is provided with a connection piece mounting column 3-7-2, and the outside of the lower adapter is provided with a connection piece installation Column 3-16-1, the upper and lower adapters 3-7 / 3-16 are installed at the front of the upper and lower half shells 3-9 / 3-13 through the connecting piece 3-8, and the push plate 3-10 is at the upper and lower adapters 3-7 / 3-16 slide in the middle. Pin holes 3-7-3 are provided at the front end of the upper adapter 3-7. The rear end of the nail holder 3-1 is provided with a lower adapter mounting hole 3-1-1. The nail holder 3-1 is installed on the connecting piece mounting post 3-16-1 of the lower adapter 3-16, and the outside is provided with a connection Tablets 3-8. A pin hole 3-5-1 is provided at the rear end of the nail magazine seat 3-5, and the nail magazine seat 3-5 is installed on the upper adapter 3-7 through the pin. A casing 3-12 is sleeved on the outer side of the upper and lower half casings 3-9 / 3-13. A square groove 3-12-1 is provided on the casing, and the casing is fixedly installed on the casing installation positioning protrusion of the lower casing 3-13. 3-13-7. U-shaped groove 3-5-2 is in the middle of the nail magazine seat 3-5, and a cutter sliding groove 3-3-1 is provided in the middle of the nail magazine 3-3, and an staple installation hole 3-3 is provided on both sides of the cutter sliding groove. -2, pusher 3-4, staples are installed in stapler installation holes 3-3-2 in stapler 3-3, pusher block 3-3 is provided with pusher slide groove 3-3-3, pusher block 3-6 is installed in the sliding slot 3-3-3 of the pushing block of the nail silo 3-3, and is fitted with the staples, the pushing piece 3-4, and the nail silo 3-3 of the pushing block 3-6, and is installed in the nail silo seat The U-shaped groove in the middle of 3-5 is inside 3-5-2.
可更换吻切组件装在重复使用腔镜切割吻合器枪身上，下半壳体3-13的固定杆配合安装凸起3-13-5固定安装在固定杆2-2的下半壳体安装卡槽2-2-8上，击发推杆2-4前端的驱动套连接槽2-4-1安装在驱动套3-11的击发推杆安装卡扣3-11-1上。The replaceable kiss-cut assembly is installed on the reusable endoscopic stapler gun, and the fixing rod of the lower half of the housing 3-13 is fixedly installed on the lower half of the fixing rod 2-2. On the slot 2-2-8, the drive sleeve connection slot 2-4-1 at the front end of the firing rod 2-4 is mounted on the firing rod mounting clip 3-11-1 of the drive sleeve 3-11.
重复使用腔镜切割吻合器枪身在使用时，传动组件2的内锁圈对接击发组件1的手柄固定套，转动，将击发组件2和传动组件1安装固定，组成重复使用腔镜切割吻合器枪身，然后装入可更换的吻切组件3。When the gun body of the endoscopic cutting stapler is repeatedly used, the inner locking ring of the transmission component 2 butts the handle fixing sleeve of the firing component 1 and rotates to install and fix the firing component 2 and the transmission component 1 to form a re-used endoscopic cutting stapler. The gun body, then insert the replaceable kiss-cut assembly 3.
重复使用腔镜切割吻合器枪身的击发组件与重复使用腔镜切割吻合器枪身配套使用，重复使用腔镜切割吻合器枪身与重复使用腔镜切割吻合器配套使用，重复使用腔镜切割吻合器枪身在使用时，传动组件2的内锁圈2-11对接击发组件1的手柄固定套1-20，转动，将击发组件1和传动组件2安装固定，组成重复使用腔镜切割吻合器枪身，然后装入可更换的吻切组件1构成重复使用腔镜切割吻合器。重复使用腔镜切割吻合器通过穿刺器进入腹腔内，确定需要切割吻合部位，在确定手术部位时，转动手柄固定套1-20，可更换吻切组件可随之转动，方便调整位置，另外，转动旋转手柄2-17，带动旋转固定块2-10转动，将转向后拉杆2-3、转向拉钩3-14往后拉动，拉动上下转接头3-7/3/16往一侧偏，达到转动抵钉座3-1钉仓座3-5的效果，即吻合组件部位可左右摆动。调整好问切位置，按动活动手柄1-17，通过装在活动手柄1-17上的齿条带动块1-10，推动齿条1-7、击发推杆3-4、驱动套3-11、推动板3-10、切割刀3-17，完成钳口闭合，松开活动手柄1-17，在活动手柄复位弹簧1-3、拉块弹簧1-5的作用下，使齿条1-7复位，带动击发推杆3-4、驱动套3-11、推动板3-10、切割刀3-17复位，打开钳口，此时重复使用腔镜切割吻合器可作钳子功能，用来夹取异物。钳口闭合后，若切割吻合位置合适，按动复位保险1-16，使活动手柄1-17复位，再次按动活动手柄1-17，齿条带动块1-10推动齿条1-7、击发推杆3-4、驱动套3-11、推动板3-10、切割刀3-17，往前击发，切割刀3-17推动推动块3-6、推片3-4，使装在钉仓3-3内的吻合钉推出，再切割的同时完成吻合。拉动复位手柄1-2/1-12，带动齿条1-7、击发推杆3-4、驱动套3-11、推动板3-10、切割刀3-17复位，打开钳口后，将重复使用腔镜切割吻合器从 穿刺器中拿出，完成一次切割吻合，若手术仍需切割吻合，则往后拉动退位拉杆块2-7，带动退位拉片2-6、退位拉杆2-5往后拉动，使可更换问切组件3中的下半壳体3-13从传动组件2的锁定状态打开，取下可更换问切组件3，更换一个新的可更换问切组件3，再次进行手术直至完成手术。手术完成后，重复使用吻合器枪身，往后拉动手柄固定套1-20，转动传动组件2，使传动组件2从击发组件1中脱离，传动组件2可单独消毒清洗，固定锁圈2-19与内锁圈2-11是通过螺纹连接的，仍可拆卸清洗，击发组件1后部装有的接头1-8，可连接医院冲洗设备，进行冲洗击发组件内部。完成清洗消毒后，妥善保存重复使用腔镜切割吻合器枪身，以备下次手术。The repeated firing assembly of the endoscopic cutting stapler body is used in combination with the repeated endoscopic cutting stapler body, and the reused endoscopic cutting stapler body is used in combination with the repeated endoscopic cutting stapler, and the endoscopic cutting is repeatedly used When the stapler gun body is in use, the inner locking ring 2-11 of the transmission component 2 butts the handle fixing sleeve 1-20 of the firing component 1 and rotates to install and fix the firing component 1 and the transmission component 2 to form a repeated endoscopic cutting and anastomosis. The gun body is then inserted into the replaceable kiss-cut assembly 1 to constitute a repetitive endoscopic stapler. Repeatedly use the laparoscopic cutting stapler to enter the abdominal cavity through the puncture device, and determine that the anastomosis site needs to be cut. When determining the surgical site, turn the handle fixing sleeve 1-20, and the replaceable anastomosis component can be rotated to adjust the position. In addition, Turn the rotation handle 2-17 to drive the rotation fixing block 2-10 to turn the steering rear lever 2-3 and the steering hook 3-14 back, and pull the upper and lower adapters 3-7 / 3/16 to one side to reach The effect of turning against the nail seat 3-1 and the nail seat 3-5 is that the anastomotic component part can swing left and right. After adjusting the cutting position, press the movable handle 1-17, drive the block 1-10 through the rack mounted on the movable handle 1-17, push the rack 1-7, fire the push rod 3-4, drive sleeve 3- 11. Push the plate 3-10 and cutting knife 3-17 to complete the closing of the jaws, loosen the movable handle 1-17, and make the rack 1 under the action of the movable handle reset spring 1-3 and the pull block spring 1-5. -7 reset, drive the firing push rod 3-4, drive sleeve 3-11, push plate 3-10, cutting knife 3-17 reset, open the jaws, and then repeatedly use the endoscopic cutting stapler can be used as pliers function, To pick up foreign objects. After the jaws are closed, if the cutting anastomosis position is appropriate, press the reset safety 1-16 to reset the movable handle 1-17, press the movable handle 1-17 again, and the rack drive block 1-10 pushes the rack 1-7, Fire the push rod 3-4, drive sleeve 3-11, push plate 3-10, cutting knife 3-17, fire forward, the cutting knife 3-17 pushes the push block 3-6, push plate 3-4, so that The staples in the staple cartridge 3-3 are pushed out, and the anastomosis is completed while cutting. Pull the reset handle 1-2 / 1-12, drive the rack 1-7, fire the push rod 3-4, drive sleeve 3-11, push plate 3-10, cutter 3-17 to reset, after opening the jaws, Repeatedly use the laparoscopic cutting stapler to take out the puncture device to complete a cutting anastomosis. If the cutting anastomosis still needs to be performed, then pull the abduction rod block 2-7 backwards, and drive the ablation rod 2-6 and the ablation rod 2-5. Pull back so that the lower half shell 3-13 in the replaceable cutting unit 3 is opened from the locked state of the transmission unit 2. Remove the replaceable cutting unit 3, replace it with a new replaceable cutting unit 3, again Perform the operation until the operation is completed. After the operation is completed, repeatedly use the stapler gun body, pull the handle fixing sleeve 1-20 backward, rotate the transmission component 2 to disengage the transmission component 2 from the firing component 1, the transmission component 2 can be disinfected and cleaned separately, and the lock ring 2- 19 and the inner lock ring 2-11 are connected by threads and can still be removed for cleaning. The joints 1-8 mounted on the rear of the firing assembly 1 can be connected to hospital flushing equipment to flush the interior of the firing assembly. After cleaning and disinfection is completed, the laparoscopic cutting stapler body should be kept in a safe place for the next operation.

Claims (6)

  1. 一种重复使用腔镜切割吻合器枪身的击发组件，其特征在于，包括固定手柄、右复位手柄、活动手柄复位弹簧、复位杆、拉块弹簧、齿条拉块、齿条、接头、复位拉片、齿轮带动块、复位拨叉、左复位手柄、弹跳块弹簧、复位手柄保险块、复位保险、活动手柄、保险接套、旋转按钮压簧和手柄固定套。A firing assembly for repeatedly using the endoscope cutting stapler gun body, which comprises a fixed handle, a right reset handle, a movable handle reset spring, a reset lever, a pull block spring, a rack pull block, a rack, a joint, and a reset Pull tab, gear drive block, reset fork, left reset handle, bounce block spring, reset handle safety block, reset safety, movable handle, safety socket, rotary button compression spring and handle fixing sleeve.
  2. 根据权利要求1所述的重复使用腔镜切割吻合器枪身的击发组件，其特征在于，击发组件的齿条后部上侧设置有拉块弹簧安装槽，槽内前部设置有拉块弹簧安装凸起，齿条后端设置有复位杆安装孔，齿条下部设置有齿状凸起，复位拉片通过齿条销安装在齿条一侧，复位杆穿过齿条上的复位杆安装孔将齿条拉块安装在齿条上部的拉块弹簧安装槽内，拉块弹簧一端安装在齿条上的拉块弹簧安装凸起上，另一端安装在齿条拉块前端的凸起上；The firing component of the repeatedly used endoscopic cutting stapler gun body according to claim 1, wherein a pull block spring mounting groove is provided on the upper side of the rear portion of the firing component, and a pull block spring is provided at the front of the slot. Mounting protrusion, the rear end of the rack is provided with a reset lever installation hole, the lower part of the rack is provided with a tooth-shaped protrusion, the reset pull tab is installed on the rack side through a rack pin, and the reset lever is installed through the reset lever on the rack The rack pull block is installed in the pull block spring mounting groove on the upper part of the rack. One end of the pull block spring is mounted on the pull block spring mounting protrusion on the rack, and the other end is mounted on the projection on the front end of the rack pull block. ;
    固定手柄上设置有齿条滑动安装槽，齿条安装在固定手柄的齿条滑动安装槽内，固定手柄上设置有活动手柄安装柱，固定手柄前端设置有保险接套安装槽，后端设置有接头安装槽。The fixed handle is provided with a rack sliding installation slot. The rack is installed in the rack sliding installation slot of the fixed handle. The fixed handle is provided with a movable handle installation post. The fixed handle is provided with a safety socket installation groove at the front end and is provided with a rear end. Connector mounting slot.
  3. 根据权利要求1所述的重复使用腔镜切割吻合器枪身的击发组件，其特征在于，击发组件的活动手柄上部设置有手柄复位保险块安装槽，退位拉杆弹簧和手柄复位保险块安装在活动手柄的手柄复位保险块安装槽内，手柄复位保险块中部设置有弹跳块弹簧安装槽和销子安装孔，弹跳块弹簧和球头销安装在手柄复位保险块上的弹跳块弹簧安装槽内，通过拨叉销，将复位拨叉安装在手柄复位保险块上部，活动手柄上端设置有销子安装孔，通过带动块销，将齿条带动块安装在活动手柄上，活动手柄中部设置有固定手柄安装孔，和复位保险安 装孔，复位保险安装在活动手柄的复位保险安装孔内，活动手柄通过固定手柄安装孔安装在固定手柄的活动手柄安装柱上；The firing component of the repeatedly used endoscopic cutting stapler gun body according to claim 1, characterized in that the upper part of the movable handle of the firing component is provided with a handle reset safety block mounting groove, and the retraction lever spring and the handle reset safety block are installed in the movable The handle reset safety block installation slot of the handle is provided with a bounce block spring installation slot and a pin mounting hole in the middle of the handle reset safety block, and the bounce block spring and the ball pin are installed in the bounce block spring installation slot on the handle reset safety block. The reset fork is installed on the upper part of the handle reset safety block by a fork pin. A pin mounting hole is provided at the upper end of the movable handle. The rack driving block is installed on the movable handle by driving the block pin. A fixed handle is provided in the middle of the movable handle. The mounting hole and the resetting safety mounting hole, the resetting safety is installed in the resetting safety mounting hole of the movable handle, and the movable handle is installed on the movable handle mounting post of the fixed handle through the fixed handle mounting hole;
    活动手柄复位弹簧一端钩在齿条带动块上，另一端通过弹簧销固定在固定手柄上；One end of the movable handle return spring is hooked on the rack driving block, and the other end is fixed on the fixed handle by a spring pin;
    击发组件的旋转按钮压簧套装在保险接套上，保险接套安装在固定手柄前端的保险接套安装槽内，手柄固定套套装在保险接套外部，并且能在固定手柄前端滑动；The rotary button pressure spring of the firing component is set on the safety socket, the safety socket is installed in the safety socket installation groove at the front end of the fixed handle, the handle fixing sleeve is set outside the safety socket, and can slide on the front end of the fixed handle;
    接头安装在固定手柄后端的接头安装槽内。The connector is installed in a connector installation groove at the rear end of the fixed handle.
  4. 根据权利要求1所述的重复使用腔镜切割吻合器枪身的击发组件，其特征在于，击发组件的固定手柄由左固定手柄和右固定手柄组成；左固定手柄和右固定手柄通过螺钉固定在一起，左复位手柄、右复位手柄分别安装在固定手柄两侧的复位杆两端。The firing component of the repeatedly used endoscopic cutting stapler gun body according to claim 1, wherein the fixed handle of the firing component is composed of a left fixed handle and a right fixed handle; the left fixed handle and the right fixed handle are fixed on the screw by Together, the left reset handle and the right reset handle are respectively installed at both ends of the reset levers on both sides of the fixed handle.
  5. 根据权利要求1所述的重复使用腔镜切割吻合器枪身的击发组件，其特征在于，可更换吻切组件装在重复使用腔镜切割吻合器枪身上，下半壳体的固定杆配合安装凸起固定安装在固定杆的下半壳体安装卡槽上，击发推杆前端的驱动套连接槽安装在驱动套的击发推杆安装卡扣上。The firing component of the repeatedly-used endoscopic cutting stapler gun body according to claim 1, wherein the replaceable staple-cutting assembly is mounted on the repeatedly-used endoscope cutting stapler gun body, and the fixing rod of the lower half shell is fitted and installed The protrusion is fixedly installed on the mounting slot of the lower half shell of the fixing rod, and the driving sleeve connection groove at the front end of the firing rod is mounted on the firing rod mounting buckle of the driving sleeve.
  6. 根据权利要求1所述的重复使用腔镜切割吻合器枪身的击发组件，其特征在于，重复使用腔镜切割吻合器枪身在使用时，传动组件的内锁圈对接击发组件的手柄固定套，转动，将击发组件和传动组件安装固定，组成重复使用腔镜切割吻合器枪身，然后装入可更换的吻切组件。The firing component of the repeatedly used endoscopic cutting stapler gun body according to claim 1, characterized in that when the reused endoscopic cutting and stapler gun body is used, the inner locking ring of the transmission component butts the handle fixing sleeve of the firing component , Turn, install and fix the firing component and the transmission component to form a repetitive endoscopic cutting stapler gun body, and then install a replaceable kiss cutting component.
PCT/CN2019/084437 2018-09-28 2019-04-26 Trigger assembly for reusable endoscopic cutter stapler gun body WO2020062854A1 (en)

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