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Rotary cutter of binding instrument for surgery

A technology of rotating cutter head and binding instrument, applied in the field of medical devices, can solve the problems of unclean removal of excess tissue on the wound surface and excessive force exerted

Active Publication Date: 2008-04-02
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in actual application, the problems of excessive force and unclean removal of excess tissue on the wound surface cannot be fundamentally solved.

Method used

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  • Rotary cutter of binding instrument for surgery

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Experimental program
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Effect test

Embodiment Construction

[0014] As shown in Figure 1, a rotary cutter head of a surgical stapler includes a staple bin 1, a nail pusher 2, a ring cutter 3, a nail pusher post, a nail barrel, and a rotating member. In that: the rotating member is a wire pulling and rotating sleeve assembly, and the feeding device of the ring-shaped cutter 3 composed of the staple cartridge 1, the nail pushing piece 2, the ring-shaped cutter 3, the nail barrel, and the rotating sleeve assembly is a rotating feed device; the nail barrel is a circular tubular body with a stepped inner cavity, which is provided with an anti-expansion tube, and a stepped circular tubular body pusher that matches the shape of the inner wall of the nail barrel is provided between the anti-expansion tube and the inner wall of the nail barrel. Nail piece 2, at the front end of the nail barrel and the nail pushing piece 2 is a cavity that matches the ring cutter 3, the ring cutter 3 is set on the anti-expansion tube and set in the cavity, the nai...

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Abstract

The present invention relates to a rotary cutter for a surgical binding instrument, which comprises a nail box, a nail pusher, a loop-shaped cutter, a nail pushing column, a nail cylinder and a line-pulling turning sleeve module. A feeding device for the loop-shaped cutter is a rotary feeding device, which is formed by the nail box, the nail pusher, the loop-shaped cutter, the nail cylinder and the line-pulling turning sleeve module; the inner of the nail box is provided with an anti-expansion pipe, and a step-shaped round tubular nail pusher is arranged between the anti-expansion pipe and an inner wall of the nail cylinder, which matches the nail cylinder inner wall shape; both a front end of the nail cylinder and a front end of the nail pusher are a cavity matching the loop-shaped cutter that is covered on the anti-expansion pipe and is positioned in the cavity; the front end circumferential edge of the nail cylinder and the nail pusher is connected and touched with the loop-shaped nail box; the loop-shaped cutter is connected with the nail pusher and the anti-expansion through the turning sleeve module. The present invention effectively reduces resistance of cutting a tissue and reduces tissue pulling cuts caused by cutting, which is characterized by cutting the tissue safely and reliably, and reducing a binding force needed by an operation.

Description

technical field [0001] The present invention is a divisional application with the application number of 200510038253.9 and the filing date of 2005.07.08, and the name is a rotary cutter head of a surgical binding instrument, and relates to a cutter head, especially a rotary cutter head of a surgical binding instrument, belonging to The field of medical device technology. Background technique [0002] The suturing of surgical operation wound generally adopts means such as manual needle and thread suture, gluing, zipper, stapler, and wherein stapler is as the wound suturing tool of surgical operation, and more and more are adopted by surgical operation, and the surgical operation of prior art When the knife head of the stapler is used to feed and bind the wound surface, the ring-shaped cutter is fed in a straight line. Not only does the surgeon need to exert considerable force to complete the cutting, but it is also easy to cause the excess tissue on the wound surface to be un...

Claims

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Application Information

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IPC IPC(8): A61B17/068A61B17/3209
Inventor 陈望东陈权林江陆明耀印卫忠
Owner TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD
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