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WO2008011754A1 - Agrafeuse chirurgicale - Google Patents

Agrafeuse chirurgicale Download PDF

Info

Publication number
WO2008011754A1
WO2008011754A1 PCT/CN2006/001759 CN2006001759W WO2008011754A1 WO 2008011754 A1 WO2008011754 A1 WO 2008011754A1 CN 2006001759 W CN2006001759 W CN 2006001759W WO 2008011754 A1 WO2008011754 A1 WO 2008011754A1
Authority
WO
WIPO (PCT)
Prior art keywords
head
firing
anastomosis
surgical stapler
firing head
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2006/001759
Other languages
English (en)
Chinese (zh)
Inventor
Wang-Dong Chen
Jiang Lin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Touchstone International Medical Science Co Ltd
Original Assignee
Touchstone International Medical Science Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Touchstone International Medical Science Co Ltd filed Critical Touchstone International Medical Science Co Ltd
Priority to PCT/CN2006/001759 priority Critical patent/WO2008011754A1/fr
Publication of WO2008011754A1 publication Critical patent/WO2008011754A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/11—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
    • A61B17/115—Staplers for performing anastomosis, e.g. in a single operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/11—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
    • A61B17/115—Staplers for performing anastomosis, e.g. 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
    • A61B17/11—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
    • A61B17/115—Staplers for performing anastomosis, e.g. in a single operation
    • A61B2017/1157—Staplers for performing anastomosis, e.g. in a single operation applying the staples radially

Definitions

  • the invention relates to a binding device used in surgical anastomosis surgery, in particular to a surgical binding device which adopts radial emission to perform internal anastomosis, and belongs to the technical field of medical instruments.
  • a surgical stapler is a medical device that is often used in the surgical operation of physiological tissues such as the intestines.
  • the difference in performance of the instrument plays a vital role in the overall surgical effect.
  • the firing direction of the nails is basically the same as the axial direction of the tissue, and the following three ways are specifically:
  • the axial internal anastomosis As shown in Figure 1, the two segments la and lb are introverted, forming an anastomotic ring 2 inside the tissue.
  • This is a more traditional method of anastomosis.
  • the advantage is that the body bleeding during the operation can be discharged along with the contents, and the body tissue is easier to heal after the operation.
  • the disadvantages are: the operation needs to open the door near the anastomosis; after the operation, the anastomosis ring stays in the inner cavity of the tissue, which narrows the internal passage of the tissue, which is not conducive to the removal of the postoperative instrument, which is easy to cause surgical complications, and is not conducive to the postoperative body.
  • the tissue recovery function brings obvious side effects to the patient.
  • this method of anastomosis is not conducive to postoperative examination.
  • FIG. 3 shows.
  • This method of anastomosis is an improvement of the traditional axial internal anastomosis method, which partially overcomes the shortcomings of the conventional method, so that the internal passage of the tissue after surgery is not significantly reduced, which facilitates the removal of the device and the recovery of the function of the body after surgery.
  • the disadvantages are: the body tissue of the anastomosis is always in a tight state, which is not conducive to postoperative tissue healing; the surgical instrument manufacturing is more complicated; postoperative examination is still inconvenient.
  • the object of the present invention is to overcome the technical defects of the prior art axial augmentation anastomosis, and to provide a surgical binding instrument for performing anastomosis by radial emission, which has the advantages of multiple matching methods in the prior art, and more Improve the surgical results.
  • the object of the present invention is achieved by the following technical solution - a surgical stapler comprising an anastomosis head, a connecting elbow, a positioning adjustment mechanism, and a firing mechanism, wherein the anastomosis head portion is provided with a firing mechanism and a radial emitting staple
  • the body organization implements an internal anastomotic device.
  • the object of the present invention can also be further achieved by the following technical measures:
  • the anastomosis head is composed of two parts, a firing head and a fuselage head.
  • the two are movably connected by a matching firing head rod located at the axial position of the firing head and a firing head lever located at the axial center position of the main body portion;
  • the outer ring of the firing head rod is provided with a firing head firing rod
  • the outer ring of the firing head rod is provided with a fuser firing rod, the annular cutter used for the anastomosis and the staple cartridge for storing the staple are located inside the firing head;
  • the front end of the fuselage head is a stepped circular tubular inner cavity structure
  • the inner diameter of the outer tube is larger than the diameter of the annular cutter, and the inner wall of the outer tube is provided with a nail forming groove.
  • the nail grooves on the staple cartridge are arranged in a ring shape in a plane perpendicular to the axis of symmetry of the firing head, and the passage of each nail groove extends outward in a radial direction;
  • the position and number of the nail forming grooves are identical to the nail grooves on the staple cartridge.
  • the nail groove on the staple cartridge forms 1 to 4 radial emission rings in a direction parallel to the axis of symmetry of the firing head; the most preferred solution is to form 2 to 3 radial directions.
  • the firing ring and the position of the nail groove of the adjacent launching ring are staggered to ensure that the shape of the anastomotic ring is regular and the sealing effect is good after the operation.
  • a ring anvil may be embedded in the stepped circular tubular inner cavity from the outer to the inner second round tube at the front end of the fuselage head, and the inner diameter of the annular anvil may be The outer diameter and the outer diameter are respectively smaller than and larger than the diameter of the annular cutter, so that the circular cutter can enter the interior of the softer anvil after the tissue is cut during the operation, thereby ensuring the surgical effect.
  • the outer ring tube at the front end of the fuselage head can adopt a diastolic structure with a finely tunable diameter so that the body tissue can be better seated and fitted.
  • the invention provides an internal anastomosis for the body tissue by a radial firing staple Compared with the various staplers in the prior art, the present invention overcomes the defects of the internal matching method and overcomes the defects of the present invention, and solves the long-standing desire of the present invention. solved problem.
  • the body tissues such as the intestines are basically in a state similar to that before surgery, and the internal passages are not significantly reduced, which is convenient for the removal of the postoperative instruments, and also facilitates the postoperative healing of the tissue, thereby greatly improving the surgical effect.
  • Fig. 1 is a schematic view showing the effect of the prior art axial internal anastomosis.
  • Fig. 2 is a schematic view showing the effect of the prior art axial external anastomosis.
  • Fig. 3 is a schematic view showing the effect of the prior art expansion and internal anastomosis.
  • Figure 4 is a schematic view of the effect of the present invention after surgery.
  • FIG. 5 is a schematic structural view of an anastomosis head portion of a surgical stapler according to the present invention.
  • Figures 6-1 to 6-6 are schematic views of the surgical procedure for performing an anastomosis operation using the surgical stapler provided by the present invention.
  • the meanings of the reference numerals are: la, lb tissue; 2 anastomosis ring; 3 nail forming groove; 4 anvil; 5 fuselage head; 6 firing head firing putter; 7 body firing putter; 8 firing head pull rod; 9 shot head; 10 cutter; 11 staples; 12 shots.
  • a firing head firing pusher 6 is provided on the outer ring of the firing head bar 9, and a body firing pusher 7 is provided on the outer ring of the firing head lever 8.
  • the annular cutter 10 used for the anastomosis and the staple cartridge 11 for storing the staples are all located inside the firing head 12.
  • the front end of the fuselage head 5 is a stepped circular tubular inner cavity structure, the outer diameter of the outer ring pipe is larger than the diameter of the annular cutter 10, and the nail forming groove 3 is provided on the inner wall of the outer ring pipe.
  • the staple grooves on the staple cartridge 11 are arranged in a ring shape in a plane perpendicular to the axis of symmetry of the firing head 12, and the passage of each of the staple grooves extends radially outwardly so as to be parallel to the axis of symmetry of the firing head 12.
  • Two radial launching rings are formed on the top, and the positions of the staple slots of adjacent firing rings are staggered.
  • the number of the nail forming grooves 3 and the position of each of the nail forming grooves 3 on the inner wall of the stepped circular tubular inner ring outer tube at the front end of the body head 5 are all the nails on the staple cartridge 11
  • the slots are consistent.
  • a ring-shaped anvil 4 is embedded in the stepped circular tubular inner cavity at the front end of the fuselage head 5 from the outside to the inside of the second circular tube, and the inner and outer diameters of the annular anvil 4 are respectively smaller than Greater than the diameter of the annular cutter 10.
  • the outer ring of the front end of the fuselage head 5 The round tube has a diastolic structure that allows it to be fine-tuned in diameter.
  • the large diameter is used when the tissue is in place, and the tissue is compressed by the contraction after the position is placed, and then an anastomosis operation is performed.
  • Figures 6-1 to 6-6 illustrate the procedure for performing the surgery using the surgical stapler provided by the present invention, and the surgical results are shown in Fig. 4.
  • the specific process of matching is:
  • the firing head 12 and the fuselage are in a separated state, and the tissues la and lb to be anastomosed respectively enclose the firing head 12 and the fuselage head 5, and are subjected to a dash bag processing, as shown in Fig. 6-1;
  • the firing head 12 is connected to the firing head rod 8 inside the fuselage by the firing head rod, as shown in Fig. 6-2;
  • the surgical stapler provided by the present invention preferably conforms to the normal flow direction of the tissue contents, and the upstream tissue should be treated as la at the time of operation, and the purse is wound around the periphery of the firing head 12; the downstream tissue acts as lb, and The outer periphery of the fuselage head 5 is charged with a purse.

Landscapes

  • 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

L'invention concerne une agrafeuse chirurgicale comprenant une tête d'anastomose, un tube cintré de raccordement, un mécanisme de positionnement et de réglage et un mécanisme d'éjection. La tête d'anastomose est pourvue d'un moyen qui applique une anastomose interne à des tissus organiques par l'intermédiaire du mécanisme d'éjection qui éjecte et projette radialement des agrafes.
PCT/CN2006/001759 2006-07-19 2006-07-19 Agrafeuse chirurgicale Ceased WO2008011754A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2006/001759 WO2008011754A1 (fr) 2006-07-19 2006-07-19 Agrafeuse chirurgicale

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2006/001759 WO2008011754A1 (fr) 2006-07-19 2006-07-19 Agrafeuse chirurgicale

Publications (1)

Publication Number Publication Date
WO2008011754A1 true WO2008011754A1 (fr) 2008-01-31

Family

ID=38981113

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2006/001759 Ceased WO2008011754A1 (fr) 2006-07-19 2006-07-19 Agrafeuse chirurgicale

Country Status (1)

Country Link
WO (1) WO2008011754A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014161129A1 (fr) * 2013-03-31 2014-10-09 广东实联医疗器械有限公司 Dispositif d'anastomose chirurgicale
CN108938032A (zh) * 2018-09-28 2018-12-07 广州德脉医疗器械有限公司 一种放射性钉仓
CN109199497A (zh) * 2018-09-30 2019-01-15 常州同创医疗器械科技有限公司 一种胆肠吻合器
CN110251180A (zh) * 2019-07-09 2019-09-20 北京博辉瑞进生物科技有限公司 一种钉砧组件及采用该钉砧组件的吻合器
CN112137670A (zh) * 2020-11-06 2020-12-29 辽宁省肿瘤医院 一种中式食管吻合器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2461494Y (zh) * 2000-07-06 2001-11-28 张祖仁 外科用管型吻合器
CN1106827C (zh) * 1998-10-27 2003-04-30 张祖仁 外科用管型吻合器
WO2005115254A2 (fr) * 2004-05-17 2005-12-08 Datascope Investment Corp. Systeme d'agrafage chirurgical
CN1843303A (zh) * 2005-04-08 2006-10-11 苏州天臣国际医疗科技有限公司 外科用装订仪

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1106827C (zh) * 1998-10-27 2003-04-30 张祖仁 外科用管型吻合器
CN2461494Y (zh) * 2000-07-06 2001-11-28 张祖仁 外科用管型吻合器
WO2005115254A2 (fr) * 2004-05-17 2005-12-08 Datascope Investment Corp. Systeme d'agrafage chirurgical
CN1843303A (zh) * 2005-04-08 2006-10-11 苏州天臣国际医疗科技有限公司 外科用装订仪

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014161129A1 (fr) * 2013-03-31 2014-10-09 广东实联医疗器械有限公司 Dispositif d'anastomose chirurgicale
CN108938032A (zh) * 2018-09-28 2018-12-07 广州德脉医疗器械有限公司 一种放射性钉仓
CN108938032B (zh) * 2018-09-28 2024-08-02 广州德脉医疗器械有限公司 一种放射性钉仓
CN109199497A (zh) * 2018-09-30 2019-01-15 常州同创医疗器械科技有限公司 一种胆肠吻合器
CN110251180A (zh) * 2019-07-09 2019-09-20 北京博辉瑞进生物科技有限公司 一种钉砧组件及采用该钉砧组件的吻合器
CN110251180B (zh) * 2019-07-09 2024-04-30 北京博辉瑞进生物科技有限公司 一种钉砧组件及采用该钉砧组件的吻合器
CN112137670A (zh) * 2020-11-06 2020-12-29 辽宁省肿瘤医院 一种中式食管吻合器

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