WO2017114386A1 - Dispositif de fermeture de tissu et instrument médical comprenant un dispositif de fermeture de tissu - Google Patents

Dispositif de fermeture de tissu et instrument médical comprenant un dispositif de fermeture de tissu Download PDF

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Publication number
WO2017114386A1
WO2017114386A1 PCT/CN2016/112368 CN2016112368W WO2017114386A1 WO 2017114386 A1 WO2017114386 A1 WO 2017114386A1 CN 2016112368 W CN2016112368 W CN 2016112368W WO 2017114386 A1 WO2017114386 A1 WO 2017114386A1
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WO
WIPO (PCT)
Prior art keywords
purse
assembly
needle
clamping portion
clamping
Prior art date
Application number
PCT/CN2016/112368
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English (en)
Chinese (zh)
Inventor
陈望东
叶艳平
单腾
郭毅
舒拓
曹元阳
Original Assignee
苏州天臣国际医疗科技有限公司
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Publication date
Application filed by 苏州天臣国际医疗科技有限公司 filed Critical 苏州天臣国际医疗科技有限公司
Publication of WO2017114386A1 publication Critical patent/WO2017114386A1/fr

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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
    • 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
    • A61B17/068—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
    • 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
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/115—Staplers for performing anastomosis in a single operation
    • A61B17/1155—Circular staplers comprising a plurality of staples
    • 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
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B2017/1142—Purse-string sutures

Definitions

  • the present invention relates to the field of medical device technology, and in particular to a tissue closure device and a medical device including the tissue closure device.
  • the linear tissue or the arc-type stapler is generally used to perform the multi-angle separation and anastomosis of the tubular tissue, and then the circular tube-type stapler is used to perform docking and anastomosis of the dissected tissue.
  • an embodiment of the present invention provides a tissue closure device comprising: a first holder and a second holder that are relatively openable and closable, the first holder and the second holder a first clamping portion and a second clamping portion are respectively disposed on opposite sides of the seat, and the clamping faces of the first clamping portion and the second clamping portion are disposed in a tooth shape when the first clamping seat When the second clamping seat is closed, a gap for clamping the tubular tissue is disposed between the first clamping portion and the second clamping portion, and the gap has a wave-shaped cross section;
  • At least one pair of purse assemblies that are respectively configured to cooperate with the first clamping portion and the second clamping portion and that are drivable from the distal end of the tissue closure device in a proximal direction, each of the purse assemblies comprising: a needle, a purse string connected to the needle at one end, and a push rod removably connecting the needle;
  • a connecting piece disposed at a distal end of the first clamping portion and/or the second clamping portion in cooperation with the purse assembly, the connecting piece is connected to the needle when the needle is in a firing position ;
  • first clamping portion and the second clamping portion are respectively provided with passages allowing the purse assembly to move from the proximal end to the distal end of the tissue closure device.
  • the beneficial effects of the invention are: forming a centrally gathered bundled purse through the tissue closure device, Reduce the risk of “cat ears” and sputum after the anastomosis of the subsequent round tube stapler, and at the same time, the operation is simple, the use is convenient, and the operation cost is reduced.
  • FIG. 1 is a schematic view of a medical device according to an embodiment of the present invention.
  • FIG. 2 is a perspective view of the instrument body of the medical device according to an embodiment of the present invention.
  • FIG. 3 is a cross-sectional view showing the first holder and the second holder in an open state according to an embodiment of the present invention
  • Figure 4 is a cross-sectional view showing the tissue closure device in an initial state in an embodiment of the present invention
  • FIG. 5 is a schematic structural view of a purse assembly according to an embodiment of the present invention.
  • Figure 6 is a cross-sectional view taken along line A-A of Figure 3;
  • FIG. 7 is a perspective view of a first holder in an embodiment of the present invention.
  • Figure 8 is a cross-sectional view of the purse assembly after being fired in accordance with an embodiment of the present invention.
  • Figure 9 is a cross-sectional view showing the tissue closure device in a fired state in an embodiment of the present invention.
  • Figure 10 is a cross-sectional view showing the tissue closure device in a state in which the firing is completed in an embodiment of the present invention.
  • one end near the operator is the proximal end and the end remote from the operator is the distal end.
  • the present invention discloses an embodiment of a medical device that can be used in an anastomosis operation of a digestive tract, which includes an instrument body 10 and a firing device connected to the instrument body 10. 20 (e.g., firing handles 201, 203), retraction device 30, and tissue closure device 40 removably coupled to instrument body 10.
  • a firing device connected to the instrument body 10.
  • the tissue closure device 40 is disposed at a distal end of the instrument body 10.
  • the tissue closure device 40 includes a connection portion 401, a first clamp seat 403a and a second clamp seat 403b that are pivotally connected and relatively openable and closable.
  • the connecting portion 401 is configured to be connected to the instrument body 10, and the structure to be controlled provided in the connecting portion 401 is associated with the firing device 20, the retracting device 30, and the like of the instrument body.
  • the device body 10 can be substantially similar to the instrument body structure of the existing linear or curved stapler, or can be separately designed. It can be understood that the structure of the instrument body 10 can be combined with the tissue closure device 40. ,example For example, the tissue closure device 40 can be driven to suture the tissue, or stitch and cut, etc., and will not be described herein. The tissue closure device 40 will be described in detail below.
  • the first clamping portion 405a and the second clamping portion 403b are respectively provided with a first clamping portion 405a and a second clamping portion 405b on opposite sides of the first clamping seat 403a.
  • the first clamping portion 405a and the first clamping seat 403a may be integrally formed or assembled.
  • the second clamping portion 405b and the second clamping seat 403b may be integrally formed or assembled. connection.
  • the first clamping portion 405a may be regarded as a part of the first holder 403a
  • the second clamping portion 405b may be regarded as a part of the second holder 403b.
  • the clamping faces of the first clamping portion 405a and the second clamping portion 405b are disposed in a tooth shape.
  • the first clamping portion 405a and the second clamping portion 405b are provided between the first clamping portion 405a and the second clamping portion 405b for clamping the tubular tissue.
  • the cross section of the gap is wave-shaped, and accordingly, the tubular structure 100 held by the first clamping portion 405a and the second clamping portion 405b is also positioned in a wave shape.
  • first clamping portion 405a and the second clip a portion for clamping the tubular tissue 100 is referred to as the first clamping portion 405a and the second clip.
  • a clamping surface of the holding portion 405b wherein the clamping surface may be the entire surface of the first clamping portion 405a and the second clamping portion 405b, or the first clamping portion 405a and the second portion A portion of the opposing surface of the clamping portion 405b.
  • the tissue closure device further includes: respectively engaging the first clamping portion 405a and the second clamping portion 405b and drivingly from the distal end of the tissue closure device to the proximal direction
  • Moving at least one pair of purse packs 50 ie, one of the pack assemblies 50 of each pair of purse packs is disposed in cooperation with the first grip portion 405a, the other purse pack assembly 50 is disposed in cooperation with the second grip portion 405b
  • the pouch assembly 50 is mated with a connecting piece 60 disposed at the distal end of the first clamping portion 405a and/or the second clamping portion 405b, and the connecting piece can be used to support the closed first clamping seat 403a and the second clamping member
  • the seat 403b can prevent the tubular tissue sandwiched between the first clamping portion 405a and the second clamping portion 405b from overflowing.
  • each of the purse packs 50 includes a needle 501, a purse string 503 whose one end is connected to the needle 501, and a push rod that detachably connects the needle 501.
  • the needle 501 includes an initial position and a firing position, the needle 501 being in an initial position when the tissue closure device is in an initial position, the proximal end of the clamping surface being located; when the tissue closure device is in a firing state Next, the needle 501 is in a firing position, and the needle 501 is located at the distal end of the clamping surface and is connected to the connecting piece 60.
  • the first clamping portion 405a and the second clamping portion 405b are respectively provided with a channel 4051 allowing the purse assembly to move from the proximal end to the distal end of the tissue closing device, that is, the first clamping a portion 4051 for allowing the needle 501 to move from its initial position to the firing position, respectively, on the portion 405a and the second clamping portion 405b, of course, if necessary,
  • the channel can also allow the purse assembly to move from the distal end of the tissue closure device in a proximal direction.
  • the number of the channels 4051 is the same as the number of the purse packs 50.
  • the push rod is provided as a needle sleeve 505 which is open at both ends and is hollow.
  • the push rod can also be solid or have a circular arc groove as long as the push rod can support the needle 501 to move from the proximal end to the distal end of the tissue closure device.
  • One end of the purse string 503 of each purse pack 50 is disposed in the corresponding needle sleeve 505 and connected to the corresponding needle, and the other end of the purse string of each purse pack is disposed outside the corresponding needle sleeve 505.
  • the corresponding needle sleeve and needle 501 refer to the needle sleeve and the needle 501 in the same purse assembly 50.
  • the other end of the purse string 503 opposite to the end of the corresponding needle 501 may be a free end, disposed in the connecting portion 401 or the instrument body 10; it may also be connected to the needle of another purse assembly.
  • 501 is connected to facilitate the tightening of the purse, the following will be specifically illustrated by two examples:
  • the tissue closure device is provided with a pair of purse assemblies 50, which are a first purse assembly and a second purse assembly, respectively, and the purse lines of the first and second purse assemblies are continuous
  • the first end of the cable is connected to the needle of the first purse assembly, and the second end of the cable is connected to the needle of the second purse assembly.
  • the tissue closure device is provided with two pairs of purse assemblies 50, which are a first purse assembly, a second purse assembly, a third purse assembly, a fourth purse assembly, the first purse assembly and the
  • the third purse assembly is disposed in cooperation with the first clamping portion 405a, and the second purge assembly and the fourth purse assembly are disposed in cooperation with the second clamping portion 405b;
  • the first purse assembly and the second purse assembly are provided with a first cable tie, and the first end of the first cable is connected to the needle of the first purse assembly, the first cable The second end is connected to the needle of the second purse assembly;
  • the charge line of the third purse assembly and the fourth purse assembly is disposed as a continuous second tie, the first end of the second tie is connected to the needle of the third package, the second The second end of the cable is coupled to the needle of the fourth purse assembly.
  • tissue closure device can also be provided with more than two pairs of purse packs 50 in the same manner as described above.
  • the tissue closure device further includes a positioning member 507, each of the positioning members 507 corresponding to at least one pair of purse packs 50.
  • the positioning member 507 is used to connect the needle sleeve 505 of the purse assembly 50 to set the two needle sleeves 505 of at least one pair of purse assemblies to be relatively stationary.
  • the positioning member is provided with at least two through holes, each of which is disposed outside a needle sleeve 505, for example, sleeved at a proximal end of the needle sleeve 505.
  • the connecting piece 60 may be disposed on the first clamping seat 403a or on the second clamping seat 403b.
  • the connecting piece 60 may also include two portions disposed on the first clamping seat 403a and the second clamping seat 403b. When the first clamping seat 403a and the second clamping seat 403b are closed, The two parts constitute the connecting piece 60 in a manner similar to a pin.
  • the web 60 is provided with a receiving portion 601 that receives the needle 501, the number and position of which are matched to the number and position of the needle 501.
  • the receiving portion can be configured as a through hole having elasticity, and the diameter of the through hole can be large under the action of an external force, and the aperture of the through hole returns to normal after the external force is lost.
  • the receiving portion 601 limits the needle 501 in the axial direction of the purse assembly.
  • the connecting piece 60 it is convenient to subsequently separate the needle 501 and the needle sleeve 505 when the tissue closing device is switched from the firing state to the firing completion state.
  • Another function of the tab 60 is to provide a certain strength of support to the distal end of the closure of the first holder 403a and the second holder 403b.
  • the angle at which the jaws of the first holder 403a and the second holder 403b are closed can be kept fixed. It can be understood that the closing force and the firing force of the instrument can be reduced by setting the height of the connecting piece 60 to form an anti-clamp having a distal gap smaller than the proximal gap.
  • first clamping portion 405a and the second clamping portion 405b have similar structures (only the teeth are in a staggered form), the following is merely an example of the first clamping portion 405a.
  • the configuration of the first clamping portion 405a and the second clamping portion 405b will be described.
  • the first clamping portion 405a and the second clamping portion 405b each include a body 4053, and a plurality of protrusions 4057 spaced apart in the longitudinal direction of the body 4053, each of which is opened on the protrusion 4057.
  • the longitudinal direction refers to the extending direction of the first and second clamping portions 405a and 405b at the ends.
  • each slit 4059 extends vertically to the bottom of the corresponding protrusion 4057.
  • the toothed clamping surface formed by the protrusion can make the formed purse more reliable. .
  • tissue closure device of the present embodiment can be used alone to charge the tubular tissue, and can also be used to cut the tubular tissue while the purse is being wound or after the purse is wound.
  • the tissue closing device in the present embodiment may further include a cutting blade 70, which may be provided as an I-shaped knife to close and open the first clamping seat 403a and the first
  • the second clamping seat 403b has the same principle as the existing linear or curved stapler, and will not be described herein.
  • first clamping seat 403a and the second clamping seat 403b are respectively provided with a knife-groove 701 that cooperates with the cutting blade 70, and the cutting groove 701 is composed of the first clamping seat 403a and the The proximal end of the second holder 403b extends distally.
  • the tissue closing device includes at least two pairs of purse packs 30, at least two of the channels 4051 are respectively disposed on the first clamping portion 405a and the second clamping portion 405b, and each The channels 4051 on the holder are symmetrically disposed on both sides of the corresponding movement groove 701.
  • the channels of the same pair of purse packs are disposed on the same side of the pocket 701.
  • the channels corresponding to the first and third purse assemblies are respectively disposed on the two sides of the first holder 403a; the second and fourth purse assemblies The channels are respectively disposed on two sides of the knife groove 701 on the second clamping seat 403b.
  • each of the purses on both sides of the cutter is formed by two sets of purse packs, so that the purse has better strength and prevents the purse from spreading and the tissue slipping under the action of external force.
  • the first clamping seat 403a and the second clamping seat 403b are in an open state, and a tubular structure is placed between the first clamping portion 405a and the second clamping portion 405b;
  • the first holder 403a and the second holder 403b are closed by the firing device 20 (for example, by firing the handle 201) such that the first holder 403a and the second holder 403b are in a closed state.
  • the firing device 20 for example, by firing the handle 201
  • the purse assembly 50 is fired by the firing device 20 (e.g., by firing the handle 201) such that the needle 501 of the purse assembly 50 passes through the undulating tubular tissue 100 and is attached thereto.
  • the sheets 60 are connected to complete the purse stringing, and form a centrally gathered bundled purse on the tubular tissue;
  • the cutting blade 70 is fired by the firing device 20 (e.g., by firing the handle 203) to cut the tubular tissue 100 that has been loaded with the purse, at which time the tissue closure device is in a fired state;
  • the cutting blade 70 and the needle sleeve 505 are simultaneously retracted to the position in the initial state of the tissue closing device (the cutting blade 70 is retracted through the knife groove 701, the needle sleeve 505
  • the first holder 403a and the second holder 403b are opened by the cutting blade 70, and the tissue closing device is in a firing completion state, and the tissue therein can be taken out.
  • the cutting blade 70 may not be assembled, and only the purse stringing may be completed; of course, the purse pack assembly 50 and the cutting blade 70 may also be simultaneously fired to achieve edge-cutting.
  • the invention reduces the risk of “cat ears” and sputum after the anastomosis of the subsequent round tube type stapler, and in addition, when the tissue is closed, only one operation is needed, and the use is convenient, and the operation cost is reduced.
  • the tissue in such a purse-like manner, in the gap formed by the undulating clip, the tissue can be evenly tiled, which also allows the needle to penetrate the tissue uniformly; so that the purse string is completely punctured to the mucosal layer of the tubular tissue.
  • the formed purse is more Reliable, so that when the round tube type instrument is used for subsequent anastomosis, the tissue is not easy to slide off in the external force.
  • the pouch thus formed does not artificially increase the volume of the purse like the purse formed by other materials such as the strap, so that the purse is more convenient for subsequent accommodation into the tubular device.
  • the clamping space formed by the cooperation of the first clamping portion and the second clamping portion is wavy, the length of the tissue closure assembly is effectively reduced, so that it can better enter the deeper position of the bottom of the human body.

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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)
  • Physiology (AREA)

Abstract

L'invention concerne un dispositif de fermeture de tissu (40) et un instrument médical. L'ensemble comprend : une première partie de serrage (405a) et une seconde partie de serrage (405b) ; au moins une paire d'ensembles sacs (50), coopérant respectivement avec la première partie de serrage (405a) et la seconde partie de serrage (405b) ; et une feuille de liaison (60), située sur les extrémités éloignées de la première partie de serrage (405a) et/ou la seconde partie de serrage (405b) et coopérant avec les ensembles sacs (50). Des surfaces de serrage de la première partie de serrage (405a) et la seconde partie de serrage (405b) sont disposées en forme de dents. Chaque ensemble sac (50) comprend une tête de broche (501), un filetage de sac (503) dont une extrémité est reliée à la tête de broche (501), et une tige de poussée reliée de manière détachable à la tête de broche (501). La feuille de liaison (60) peut être reliée à la tête de broche (501). La première partie de serrage (405a) et la seconde partie de serrage (405b) comportent un passage (4051) permettant aux ensembles sacs correspondants (50) de se déplacer de l'extrémité proche à l'extrémité éloignée du dispositif de fermeture de tissu (40). Dans le dispositif de fermeture de tissu (40), des sacs regroupés sont formés au centre et, par conséquent, des risques de suivi de fistule se produisant après la fermeture d'un dispositif d'anastomose de tube rond et les coûts de chirurgie sont réduits.
PCT/CN2016/112368 2015-12-31 2016-12-27 Dispositif de fermeture de tissu et instrument médical comprenant un dispositif de fermeture de tissu WO2017114386A1 (fr)

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CN201511029121.X 2015-12-31
CN201511029121.XA CN106923876B (zh) 2015-12-31 2015-12-31 组织闭合装置及包括该组织闭合装置的医疗器械

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WO2017114386A1 true WO2017114386A1 (fr) 2017-07-06

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Cited By (2)

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CN108814680A (zh) * 2018-04-10 2018-11-16 中国人民解放军陆军军医大学第二附属医院 用于单孔腹腔镜手术的荷包钳
CN111358521A (zh) * 2018-12-25 2020-07-03 苏州天臣国际医疗科技有限公司 组织闭合装置及医疗器械

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EP0604789A1 (fr) * 1992-12-31 1994-07-06 K. Widmann Ag Elément de serrage chirurgical pour fabriquer une suture en cordon de bourse
CN201082177Y (zh) * 2007-06-28 2008-07-09 苏州天臣国际医疗科技有限公司 外科用自动荷包缝合器
CN203564286U (zh) * 2013-09-23 2014-04-30 瑞奇外科器械(中国)有限公司 末端执行器、外科手术器械和荷包钳
CN103976769A (zh) * 2014-05-21 2014-08-13 上海理工大学 荷包缝合器及其操作方法
CN104434243A (zh) * 2013-09-23 2015-03-25 瑞奇外科器械(中国)有限公司 末端执行器、外科手术器械和荷包钳
CN205569002U (zh) * 2015-12-31 2016-09-14 苏州天臣国际医疗科技有限公司 组织闭合装置及包括该组织闭合装置的医疗器械

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US7669746B2 (en) * 2005-08-31 2010-03-02 Ethicon Endo-Surgery, Inc. Staple cartridges for forming staples having differing formed staple heights

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Publication number Priority date Publication date Assignee Title
EP0604789A1 (fr) * 1992-12-31 1994-07-06 K. Widmann Ag Elément de serrage chirurgical pour fabriquer une suture en cordon de bourse
CN201082177Y (zh) * 2007-06-28 2008-07-09 苏州天臣国际医疗科技有限公司 外科用自动荷包缝合器
CN203564286U (zh) * 2013-09-23 2014-04-30 瑞奇外科器械(中国)有限公司 末端执行器、外科手术器械和荷包钳
CN104434243A (zh) * 2013-09-23 2015-03-25 瑞奇外科器械(中国)有限公司 末端执行器、外科手术器械和荷包钳
CN103976769A (zh) * 2014-05-21 2014-08-13 上海理工大学 荷包缝合器及其操作方法
CN205569002U (zh) * 2015-12-31 2016-09-14 苏州天臣国际医疗科技有限公司 组织闭合装置及包括该组织闭合装置的医疗器械

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108814680A (zh) * 2018-04-10 2018-11-16 中国人民解放军陆军军医大学第二附属医院 用于单孔腹腔镜手术的荷包钳
CN108814680B (zh) * 2018-04-10 2019-06-25 中国人民解放军陆军军医大学第二附属医院 用于单孔腹腔镜手术的荷包钳
CN111358521A (zh) * 2018-12-25 2020-07-03 苏州天臣国际医疗科技有限公司 组织闭合装置及医疗器械

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