WO2014043971A1 - Agrafeuse de coupe utilisée en chirurgie - Google Patents

Agrafeuse de coupe utilisée en chirurgie Download PDF

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Publication number
WO2014043971A1
WO2014043971A1 PCT/CN2012/083221 CN2012083221W WO2014043971A1 WO 2014043971 A1 WO2014043971 A1 WO 2014043971A1 CN 2012083221 W CN2012083221 W CN 2012083221W WO 2014043971 A1 WO2014043971 A1 WO 2014043971A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
plates
pin
thimble
staple cartridge
Prior art date
Application number
PCT/CN2012/083221
Other languages
English (en)
Chinese (zh)
Inventor
芮龙
吉荣
虞国安
戴晓东
袁栋坤
Original Assignee
常州市康迪医用吻合器有限公司
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 常州市康迪医用吻合器有限公司 filed Critical 常州市康迪医用吻合器有限公司
Publication of WO2014043971A1 publication Critical patent/WO2014043971A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068—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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00681—Aspects not otherwise provided for
    • A61B2017/00738—Aspects not otherwise provided for part of the tool being offset with respect to a main axis, e.g. for better view for the surgeon
    • 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
    • A61B90/08—Accessories or related features not otherwise provided for
    • A61B2090/0801—Prevention of accidental cutting or pricking
    • A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs

Definitions

  • the present invention relates to a medical instrument for surgery, and in particular to a cutting stapler. Background technique
  • a linear cutting stapler having a double insurance mechanism, which comprises a closed insurance mechanism, a firing insurance mechanism, a left side plate, a partition plate, a drive plate, a gasket, a right side plate, a casing, and a closure.
  • the linear cutting stapler can load or remove a linear cutting element
  • the closed securing mechanism comprises a push button, a thimble seat, a pin one, a closed safety component
  • the torsion spring and the thimble; the closing safety component and the torsion spring are connected by the pin, and the hook on the closing safety component prevents the movement of the baffle by the torsion spring torsion;
  • the push button is pushed to open and close the insurance mechanism, and the ejector pin continues to push the ejector pin, the thimble Pushing the positioning pin in the linear cutting element, after the positioning pin is inserted into the positioning hole of the pad, the closing handle can be operated to close the instrument jaw;
  • the firing insurance mechanism includes a reed, a pin 2 and a firing safety block; The block and the reed are connected by the pin two, and the hook on the firing block is blocked by the reed elastic force. Moving plate movement;
  • Chinese invention patent CN100589766C discloses a closed cutting mechanism for a curved cutting stapler, which comprises an abutting seat, a staple cartridge, a blade, a blade holder, a side plate, a bracket plate, a main push plate, a sub-push plate, a push piece and a firing handle, and the firing
  • the handle is movably connected to the main push plate, the blade is mounted on the blade seat, the blade seat is fixedly connected with the main push plate, the push piece is fixedly mounted on the auxiliary push plate, the auxiliary push plate has two pieces and is connected by the riveting pin, and the main push plate is located at two Between the sub-pushing plates, the sub-pushing plate is inserted on the side plate, the bracket plate has two pieces and is located outside the side plate, the two bracket plates are connected by the riveting pin, and further includes a connecting rod plate, and the bracket plate has a track groove.
  • the connecting rod plate is hinged with the main pushing plate through the first pin, the connecting rod plate is connected with the bracket plate through the second pin, and the second pin is located in the track groove of the bracket plate, and the connecting rod plate is hinged to the auxiliary pushing plate through the third pin,
  • the second pin moves in the track groove in the bracket plate, so that the third pin connected to the auxiliary push plate swings forward, and the track groove can drive the main push plate to drive the auxiliary push plate to generate a large displacement. Shift.
  • the existing cutting stapler still has shortcomings in terms of work reliability, ease of operation and surgical safety, and needs to be further improved. Summary of the invention
  • the technical problem to be solved by the present invention is to provide a surgical cutting stapler that is more reliable and safer to use, in order to overcome the above-mentioned deficiencies of the prior art.
  • a surgical cutting stapler includes an operating member, a supporting member and an executing member, the operating member including a housing, a closing handle and a firing handle; a holder having a jaw, a staple cartridge movable in the jaw, a pusher piece movable in the staple cartridge, and a cutting blade movable in the pusher tab, the support
  • the component comprises the following components: a main push plate, a front end of the main push plate is connected with the cutting blade, a rear end of the main push plate is connected with the firing handle; two auxiliary push plates are respectively located on the left and right sides of the main push plate, The front end of the push plate is in contact with the pusher piece, and the two auxiliary push plates are fixedly connected by at least two auxiliary push plate riveting pins, and the main push plate is provided with a waist shape through which the auxiliary push plate riveting pin passes.
  • Two connecting rod plates are located on the outer side of the two sub-pushing plates, and two connecting rod plates are connected by two connecting rod riveting pins, one of which is riveted by a connecting rod plate
  • the pin passes through the transverse waist groove on the two sub-push plates and one pin hole on the main push plate, and the other link plate riveting pin passes through the longitudinal waist grooves on the two sub-push plates;
  • the side plates are formed a groove-like structure having left and right wall plates, the main push plate and the auxiliary push plate being sandwiched between the left and right side walls of the side plate, the front end of the side plate being connected with the staple cartridge, the rear end of the side plate and the closing handle
  • Two bracket plates are located on the left and right sides of the side plate, and the front end of the bracket plate is fixedly connected with the frame, and the rear end of the bracket plate is fixedly connected with the outer casing.
  • the frame comprises a cutting board portion, a connecting portion and a saddle portion, the cutting board portion and the connecting portion are located at two ends of the saddle portion, and the jaw is located between the anvil plate portion and the connecting portion, the two brackets
  • the front end of the plate is fixedly connected to the connecting portion, and the front end of the side plate is connected to the staple cartridge through the connecting portion.
  • a pad blade and an abutment seat are sequentially mounted on a side of the anvil plate portion opposite to the staple cartridge.
  • the outer casing is further provided with a slidable push button, the push button is fixedly connected with a thimble seat, and a thimble is connected to the ejector pin. The front end of the thimble is connected with a positioning pin in the staple cartridge. .
  • a rear end of the positioning pin is provided with a connecting block
  • the connecting block is provided with a slot and a pin hole
  • the front end of the pin is inserted into the pin hole
  • the front end of the pin is provided with a larger diameter. Head and a smaller diameter neck, one Inserts are inserted into the tab slot and catch the neck of the thimble.
  • the utility model further comprises a closed securing mechanism, wherein the closing securing mechanism comprises a stop fixedly connected with the side plate, a rotating shaft connected between the two supporting plates, a locking hook rotatably mounted on the rotating shaft, and fixed to the lock An unlocking pin on the hook and a torsion spring sleeved on the rotating shaft, the one end of the torsion spring is fixed, and the other end is abutted on the locking hook to engage the locking hook with the stopping block on the side plate; the thimble seat is provided with a The bevel, when the thimble is slid forward with the push button, the bevel pressing the unlocking pin disengages the hook from the stop on the side panel.
  • the closing securing mechanism comprises a stop fixedly connected with the side plate, a rotating shaft connected between the two supporting plates, a locking hook rotatably mounted on the rotating shaft, and fixed to the lock
  • a thimble guiding block is fixedly mounted on the frame, and a guiding hole is arranged in the thimble guiding block, and a front end of the thimble is connected to the positioning pin through the guiding hole.
  • the staple cartridge comprises a cartridge body portion and a guiding arm, the guiding arm is slidably engaged with the seat frame, and a positioning pin hole is arranged along the guiding arm, and a positioning pin is arranged in the positioning pin hole; It is located in the jaw of the mount and is connected to the front end of the side panel.
  • a removable component cover is further disposed in the jaw of the mount.
  • the end face contour of the seat frame and the staple cartridge is polygonal, and the cross-sectional contours of the pusher piece and the cutting blade in the staple cartridge are also polygonal.
  • the supporting component can realize a reliable connection between the operating component and the executing component, wherein the bracket plate can be connected to the outer frame of the frame and the operating component in the executing component, and at the same time provide support and guide for the movement of the side plate;
  • the plate can transmit the action of closing the handle to the staple cartridge to push the staple cartridge to close;
  • the main push plate and the auxiliary push plate can respectively transmit the action of the firing handle to the cutting knife and the pusher nail, respectively, and suture the tissue and cut the tissue in one operation.
  • the groove-like structure of the side plate can provide good support and guidance for the main and auxiliary push plates sliding therein, so that the transmission of the firing action is smoother and more reliable, and the safety of the operation is improved.
  • FIG. 1 is a schematic perspective view of a cutting stapler of the present invention.
  • FIG. 2 is an exploded view of the main components of the cutting stapler of the present invention.
  • Fig. 3 is a schematic exploded view showing the structure of the cutting and retaining device supporting member of the present invention.
  • Figure 4 is a schematic view showing the structure of the mount in the present invention.
  • Fig. 5 is a schematic exploded view showing the structural components of the cutting stapler of the present invention.
  • Figure 6 is a schematic view showing the connection structure of the side plate and the staple cartridge in the present invention.
  • Figure 7 is a front elevational view of the mount of the present invention.
  • Figure 8 is a cross-sectional view taken along line AA of Figure 7.
  • Figure 9 is a cross-sectional view taken along line BB of Figure 7.
  • Figure 10 is a schematic view showing the assembly relationship between the staple cartridge and the pusher nail in the present invention.
  • Figure 11 is a schematic view showing the assembly relationship of the staple cartridge, the push pin and the cutting blade in the present invention.
  • Figure 12 is a schematic view showing the connection structure of the positioning pin and the thimble in the present invention.
  • Figure 13 is a schematic view showing the structure of the main push plate in the present invention.
  • Figure 14 is a schematic view showing the structure of a cutting blade and a holder in the present invention.
  • Figure 15 is a schematic view showing the connection structure of the main push plate and the blade holder in the present invention.
  • Figure 16 is a schematic view showing the structure of a cutting stapler with a closed safety mechanism according to the present invention.
  • Figure 17 is a schematic view of a closed safety mechanism of the present invention.
  • Figure 18 is a schematic view showing the state in which the push button is pushed forward in the present invention.
  • Figure 19 is a schematic view showing the state in which the closing safety mechanism is opened (unlocked) in the present invention.
  • Figure 20 is a schematic illustration of a cutting stapler with a closure of the present invention.
  • Figure 21 is a schematic view showing the contrast of the insertion depth of the circular arc-shaped cutting stapler and the polygonal cutting stapler in the human pelvic cavity. detailed description
  • a surgical cutting stapler of the present invention comprises an operating member 1, a support member 2 and an actuator member 3, wherein the operating member 1 further includes a housing 10, a closing handle 11, and a firing handle 12.
  • the actuator member includes a mount 31 having a jaw 310, a staple cartridge 32 movable in the jaw 310, a pusher tab 33 movable in the staple cartridge 32, and a A cutting blade 34 that is movable in the pusher piece 33.
  • the support component includes the following components:
  • a main push plate 24 the front end of the main push plate 24 can be connected with the above cutting blade, the rear end of the main push plate 24 and the firing handle 1 is connected, and the firing handle 12 can be used to drive the main push plate to slide forward.
  • Two sub-pushing plates 23 are disposed on the left and right sides of the main push plate 24, and the front end of the sub-pushing plate 23 can be in contact with the push pin to drive the pusher piece forward.
  • the two sub-pushing plates 23 are fixedly connected by at least two (three shown in FIG. 3) sub-pushing plate riveting pins 25, and the two sub-pushing plates 23 are provided with pin holes 231 for piercing the sub-pushing plates.
  • the pin 25 is correspondingly provided with a waist hole 241 through which the sub-pushing plate rivet pin 25 passes to allow the main push plate 24 and the two sub-push plates 23 to slide relative to each other within a certain range.
  • Two connecting rod plates 26 are disposed on the outer side and the left and right sides of the two auxiliary push plates 23, and the two connecting rod plates 26 are connected by two connecting rod riveting pins 27a, 27b, one of which is riveted
  • the pin 27a passes through the lateral waist groove 232 on the two sub-push plates 23 and one pin hole 242 on the main push plate
  • the other link plate riveting pin 27b passes through the longitudinal waist groove on the two sub-push plates 23.
  • the connecting rod plate riveting pins 27a, 27b can have a certain degree of freedom in the lateral waist groove 232 and the longitudinal waist groove 233
  • the two connecting rod plates 26 are provided with pin holes 261 for piercing the connecting rod.
  • the support member further includes a side plate 22, and the side plate 22 is formed by the left and right wall plates 221, 222 and the upper bottom plate 225, and the combination of the main push plate 24, the two auxiliary push plates 23 and the two link plates 26 is formed.
  • the body is accommodated between the left and right wall panels 221, 222 of the side panel 22.
  • the front end of the side panel 22 is connected to the staple cartridge 32, and the rear end of the side panel 22 is connected to the closing handle 11 through a connecting rod; the closing handle 11 is pulled, and the side panel 22 can drive the staple cartridge 32 to move forward in the jaw 310. , the jaws 310 are closed.
  • Two bracket plates 21 are further disposed on the left and right sides of the side plate 22.
  • the front end of the bracket plate 21 is fixedly connected to the frame 31.
  • the frame 31 is provided with a pin hole 311, and two bracket plates 21 are provided.
  • the front end is provided with a pin hole 211 through which the front end of the two bracket plates 21 is riveted to the left and right sides of the frame 31 through the pin holes 211, 311; the riveting pin 20 also passes through the side plate 22, and the side plate 22
  • the waist hole 220 is matched with the rivet pin 20, so that the side plate 22 can slide back and forth along the direction of the waist hole 220 and play a certain guiding role;
  • the frame 31 is further provided with a boss 312 and a bracket plate.
  • the positioning holes 212 on the 21 are matched.
  • the rear end of the bracket plate 21 is fixedly coupled to the outer casing 10 (see Fig. 1) of the operating member.
  • the frame 31 includes a cutting board portion 314, a connecting portion 316, and a saddle portion 315.
  • the cutting board portion 314 and the connecting portion 316 are located at both ends of the saddle portion 315, on one side of the saddle portion 315, and the cutting board portion 314 and the connecting portion.
  • the jaws 310 are formed between the portions 316.
  • the front ends of the two bracket plates are fixedly connected to the connecting portion 316, and the front end of the side plates is connected to the staple cartridge through the connecting portion 316.
  • a pad blade 302 and an abutment 303 are sequentially mounted on a side of the anvil plate portion 314 opposite to the staple cartridge, and the abutment 303 is provided with two flanges 305.
  • the flange 305 is snapped into the groove 304 on the pad blade 302 to secure the pad blade 302.
  • a rivet 301 passes through the rivet hole 306 on the flange 305 and the rivet hole 317 on the anvil portion 314 to the abutment 303.
  • the pad blade 302 is fixed. As shown in Fig.
  • the pusher tab 33 can be inserted into the staple cartridge 32, and the cutter blade 34 can be inserted from the middle of the pusher tab 33 and the staple cartridge 32, and the cutter blade 34 is fixedly coupled to the holder 35.
  • a positioning pin 36 is also disposed in the staple cartridge 32.
  • a rear end of the positioning pin 36 is provided with a connecting block 361.
  • the connecting block 361 can be coupled to a ejector pin 15, and the ejector pin 15 can drive the positioning pin 36 to move back and forth.
  • the staple cartridge 32 includes a cartridge body portion 322 and a guiding arm 321 .
  • the guiding arm 321 is slidably engaged with the connecting portion of the mounting frame.
  • a positioning pin hole 324 is defined along the guiding arm 321 for positioning the pinhole 324.
  • the positioning pin is disposed on the front end of the cartridge body portion 322; the front end of the cartridge body portion 322 is provided with a nail hole 326, a knife groove 325 and a protruding post 323, and a knife groove 332 is also disposed in the middle of the push pin piece 33;
  • a protrusion 331 is provided, and correspondingly, a elastic lock 327 is disposed on the staple cartridge 32.
  • the cartridge body portion of the staple cartridge 32 is located in the jaw of the mount 31, the front end of the side panel 22 is connected to the staple cartridge 32 through the connection portion of the mount 31, and the front end of the side panel 22 is provided to the inner side.
  • the protruding four protrusions 223 are correspondingly provided with four card slots 320 on the cartridge body portion of the staple cartridge 32, and the connection of the side plates 22 and the staple cartridges 32 is achieved by the cooperation of the protrusions 223 and the card slots 320.
  • a thimble guiding block 37 is also fixedly mounted on the frame 31.
  • the boss 371 on the thimble guiding block 37 is connected with the fixing hole 313 on the frame 31 (see FIG. 2), and the ejector guiding block 37 is provided with a guiding hole 372.
  • a guide hole 372 is available for the front end of the thimble to pass through.
  • two guide strips 328 are disposed on the bottom surface of the cartridge body portion of the staple cartridge 32, and a guide groove 329 is disposed between the two guide strips 328, correspondingly on the mount 31.
  • the saddle portion 315 is provided with two guiding grooves 318 which cooperate with the guiding strips 328.
  • a guiding strip 319 is formed between the two guiding grooves 318 to cooperate with the guiding grooves 329. It can provide a good guide for the movement of the staple cartridge, ensuring a reliable and smooth movement of the staple cartridge.
  • a shank 351 is provided at the rear end of the holder 35, and a semicircular hole 352 is formed on the side surface of the shank 351.
  • a slot 244 is formed at the front end of the main push plate 24 for connecting with the shank 351.
  • a semi-circular hole 246 is also provided on one side of the slot 244, and the semi-circular hole 246 is provided.
  • a semi-cylindrical pin 247 can be inserted and inserted into the semi-circular hole 352 on the shank 351 to realize the connection of the main push plate 24 to the seat 35.
  • the rear end of the semi-cylindrical pin 247 is provided with a semicircular head 248 having a slightly larger radius, and an opening portion 245 is provided in the middle portion of the semicircular hole 246.
  • the opening portion 245 is provided, and the semi-cylindrical pin 247 can be conveniently moved by a finger; on the other hand, when the front end of the semi-cylindrical pin is inserted into the semi-circular hole 352, the semicircular head 248 is located just in the opening portion 245, the opening portion 245 can limit the semicircular head 248, so that the semi-cylindrical pin 247 does not accidentally escape from the semicircular hole 246, ensuring that the main push plate 24 and A reliable connection of the seat 35.
  • FIG. 12 A preferred structure for connecting the thimble to the locating pin is shown in FIG. 12, and a connecting block 361 is disposed at the rear end of the positioning pin 36.
  • the connecting block 361 is provided with a tab slot 363 and a thimble hole 360, and the ejector pin 15
  • the front end is inserted into the thimble hole 360, and a front end of the thimble 15 is provided with a larger diameter head 151 and a smaller diameter neck 152, and a tab 362 is inserted into the tab slot 363 and catches the neck of the thimble.
  • the portion 152 prevents the top pin 15 from coming out of the thimble hole 360.
  • the positioning needle 36 is first inserted into the positioning hole of the seat block anvil portion to prevent the tissue from overflowing during clamping. After the cutting and anastomosis is completed, when the thimble 15 is retracted, the positioning needle 36 must be returned together in the staple cartridge, otherwise the cutting stapler will still be connected with the tissue and cannot be withdrawn, resulting in a surgical failure. Therefore, the above-described connection structure of the thimble 15 and the positioning pin 36 is not only simple and convenient, but also has good reliability, and the detachment pin does not occur when retracting.
  • a slidable push button 13 is further disposed on the outer casing of the operating member, and the push button 13 is fixedly coupled to a thimble seat 14, the thimble holder 14 is coupled to the ejector pin 15, and the front end of the ejector pin 15 is positioned as described above.
  • the needles are connected.
  • a preferred embodiment of the present invention further includes a closed fuse mechanism 4.
  • the closing securing mechanism comprises a stop block 224 fixedly connected to the side plate and a rotatable locking hook 41.
  • the lower side of the two bracket plates 21 are provided with an ear portion 213, and the ear portion 213 is connected.
  • a rotating shaft 42, the locking hook 41 is rotatably mounted on the rotating shaft 42, and the torsion spring 43 is also sleeved on the rotating shaft 42, and one end 431 of the torsion spring is fixed, for example, against the bottom surface of the main pushing plate, and the other end 432 of the torsion spring Abutting against the underside of the locking hook 41, the locking hook 41 is engaged with the stopping block 224 on the side plate.
  • the closing securing mechanism is in a locked state. Since the side plate is locked, the closing of the closing handle does not enable the staple cartridge. Moving forward; an unlocking pin 44 is also fixed to the locking hook 41.
  • the ejector pin 14 is provided with a beveled surface 141.
  • the push button 13 When the push button 13 is pushed forward, the ejector pin 14 slides forward, and the ejector pin 15 pushes the locating pin 36 to slide forward through the jaw portion 310. Inserted into the positioning hole of the seat block portion 314.
  • the inclined surface 141 on the ejector pin 14 is in contact with the unlocking pin 44.
  • the inclined surface 141 presses the unlocking pin 44 to disengage the locking hook 41 from the stop block 224 on the side panel.
  • the closing securing mechanism is in an unlocked state.
  • the side panel Since the side panel is released, when the closing handle 11 is pulled, the side panel will drive the staple cartridge toward The front movement causes the jaws 310 to close to achieve the purpose of clamping the tissue. Then, the firing handle is further pulled, and the auxiliary push plate and the main push plate respectively drive the pusher piece and the cutting knife to move forward, and complete the action of sewing the tissue and cutting the tissue in one operation.
  • a removable component cover 38 may be disposed in the frame 31.
  • the top of the component cover 38 is provided with a semi-circular notch to engage with the boss 323 of the end face of the staple cartridge 32.
  • There is a bullet at the bottom of the component cover 38 The claw 381 is engaged with the guiding groove of the saddle portion of the seat frame, thereby temporarily fixing the component cover 38 in the jaw of the seat frame 31, thereby functioning as a closing jaw to prevent the cutting stapler of the present invention from being in a non-use state. Was mistakenly operated.
  • the assembly cover 38 can be conveniently removed prior to use of the cutting stapler of the present invention.
  • the invention is a polygonal cutting stapler.
  • the end face contour 30b of the mount and the staple cartridge is polygonal, and the cross-section of the pusher piece and the cutter in the staple cartridge is also polygonal.
  • the maximum insertion depth L2 of the polygonal cutting stapler in the human pelvis 5 is larger than the circular arc in the case where the number of staples accommodated is the same.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

La présente invention concerne une agrafeuse de coupe qui comprend un élément de manipulation (1), un élément de support (2) et un élément d'exécution (3). L'élément de manipulation comprend un boîtier (10), une poignée de fermeture (11) et une poignée d'actionnement (12). L'élément d'exécution (3) comprend un cadre (31) ayant une mâchoire (310), une cartouche (32), un dispositif d'entrainement d'agrafe (33) et une lame de coupe (34). L'élément de support (2) comprend : une plaque d'entraînement principale (24), une extrémité avant de la plaque d'entraînement principale (24) est raccordée à la lame coupante (34), et une extrémité arrière de la plaque d'entraînement principale (24) est raccordée à la poignée d'actionnement (12) ; deux plaques d'entraînement secondaires (23) disposé sur les deux côtés de la plaque d'entraînement principale (24) respectivement, les extrémités avant des plaques d'entraînement secondaires (23) contactent le dispositif d'entraînement d'agrafes (33) ; deux plaques de liaison (26) ; la plaque d'entraînement principale (24) et les plaques d'entraînement secondaires (23) sont prises entre des parois gauche et droite (221, 222) d'une plaque latérale (22), une extrémité avant de la plaque latérale (22) est raccordée à la cartouche (32) et une extrémité arrière de la plaque latérale (22) est raccordée à la poignée de fermeture (11) ; deux plaques de support (21) disposées sur les deux côtés de la plaque latérale (22), une extrémité avant des plaques de support (21) est fixée au cadre (31), et une extrémité arrière des plaques de support (21) est fixée au boîtier (10). L'action de la présente agrafeuse de découpe est plus fiable et son utilisation est plus sûre.
PCT/CN2012/083221 2012-09-18 2012-10-19 Agrafeuse de coupe utilisée en chirurgie WO2014043971A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210347695.1A CN102835984B (zh) 2012-09-18 2012-09-18 外科手术用切割吻合器
CN201210347695.1 2012-09-18

Publications (1)

Publication Number Publication Date
WO2014043971A1 true WO2014043971A1 (fr) 2014-03-27

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Application Number Title Priority Date Filing Date
PCT/CN2012/083221 WO2014043971A1 (fr) 2012-09-18 2012-10-19 Agrafeuse de coupe utilisée en chirurgie

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CN (1) CN102835984B (fr)
WO (1) WO2014043971A1 (fr)

Cited By (6)

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CN104107077A (zh) * 2014-07-09 2014-10-22 苏州天臣国际医疗科技有限公司 吻合器及用于该吻合器的钉仓组件
EP3329862A3 (fr) * 2016-12-02 2018-08-29 Covidien LP Instrument d'agrafage chirurgical avec effecteur d'extrémité courbé
WO2020141401A1 (fr) * 2018-12-31 2020-07-09 Ethicon Llc Armature pour agrafeuse chirurgicale et procédé associé de fabrication avec estampage
WO2023281459A1 (fr) * 2021-07-09 2023-01-12 Cilag Gmbh International Éléments de retenue de cartouche pour agrafeuse chirurgicale incurvée
US20230255627A1 (en) * 2020-06-12 2023-08-17 Covidien Lp Curved surgical stapling device
EP4114280A4 (fr) * 2020-03-04 2024-02-28 Covidien Lp Ensemble enclume avec plaque de coupe

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Publication number Priority date Publication date Assignee Title
CN102835984B (zh) * 2012-09-18 2014-07-02 常州市康迪医用吻合器有限公司 外科手术用切割吻合器
CN104274223B (zh) * 2014-10-31 2017-01-18 苏州天臣国际医疗科技有限公司 医用吻合器
CN104586449B (zh) * 2015-01-12 2017-03-08 天津万和医疗器械有限公司 缝合器及其击发保险机构
CN104586448B (zh) * 2015-01-12 2017-03-08 天津万和医疗器械有限公司 一种缝合器及其击发保险装置
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