A surgical stapling instrument

A device and surgical technique, applied in the field of endovascular surgical stapling devices, can solve problems such as necrosis and lack of blood supply, and achieve the effect of reducing the risk of injury and tissue rupture

Active Publication Date: 2009-07-15
ETHICON ENDO SURGERY INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since some tubular organs of the human and animal body, especially the intestine, have a unidirectional blood supply, an anastomosis with a large longitudinal extension relative to the lumen may result in some areas of tissue being completely devoid of blood supply, resulting in necrosis

Method used

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  • A surgical stapling instrument
  • A surgical stapling instrument
  • A surgical stapling instrument

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] Referring to the accompanying drawings, FIG. 1 shows an endoluminal surgical stapling instrument 1 . The stapling instrument 1 comprises a frame having a body portion comprising an arcuate or rectilinear shaft 2 and a handle 3 . The staple fastening assembly 4 is preferably removably mounted at the distal end of the shaft 2, so as to allow the staple fastening assembly to be removed from the shaft 2 and replaced by another staple fastening assembly when required.

[0033] The actuator trigger 5 is positioned in the proximal region of the stapling instrument 1 . The actuator trigger 5 can be rotated towards the handle 3 in order to "fire" the stapling instrument 1 , ie the knife actuator for operating the staple drive and the internal mechanisms of the stapling instrument. A rotatable adjustment knob 6 is provided for axially moving the trocar shaft 7 in order to open or close the staple fastening assembly 4 , ie to move the anvil of the stapling instrument 1 .

[0034...

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PUM

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Abstract

A surgical stapling instrument (1) comprises a staple fastening assembly (4) in the distal region of said instrument, the staple fastening assembly (4) including a cartridge device (8) which comprises at least one closed row (17, 18) of staples and defines a wavy distal end surface (14), and an anvil (9) which defines a wavy proximal staple forming surface (20) substantially matching the distal end surface (14) and which is adapted to cooperate with the cartridge device (8) for forming the ends of the staples exiting from the cartridge device (8), wherein the distal end surface (14) and the staple forming surface (20) have a globally wavy shape including two opposite peaks (21) and two opposite valleys (22) angularly spaced at about 90 DEG from the adjacent peaks (21) and in that said two-peaks-two- valleys wavy shape is formed by a stepped configuration of said surfaces (14, 20).

Description

technical field [0001] The present invention relates to a surgical stapling instrument that may be used to apply surgical staples or clips to tissue. In particular, the present invention relates to an endoluminal surgical stapling instrument for forming an anastomosis. Background technique [0002] Surgical stapling is known in the art as a quick and efficient way of joining and repairing tissue, and has become not only an acceptable, but a preferred alternative to suturing. [0003] Known endoluminal surgical stapling instruments typically include an elongated shaft with a proximal actuation mechanism and a distal staple fastening assembly mounted on the shaft. Staple fastening assemblies typically include a staple cartridge device containing a plurality of staples arranged in a circular closed array. A circular cutting knife with a closed cutting edge is contained within the cartridge device and positioned such that there is at least one closed row of staples outboard of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/11A61B17/115A61B17/32
CPCA61B17/115A61B17/32053A61B17/1114A61B17/068A61B17/105
Inventor A·帕斯托雷利M·A·默里W·B·韦森伯格二世F·比洛蒂L·克西基T·P·奥梅茨
Owner ETHICON ENDO SURGERY INC
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