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A rotary cutter of surgery bookbinding instrument

A stapler and surgical technology, applied in the field of medical devices, can solve the problems of unclean removal of excess tissue on the wound surface, excessive force, etc.

Active Publication Date: 2009-05-13
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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  • A rotary cutter of surgery bookbinding instrument
  • A rotary cutter of surgery bookbinding instrument
  • A rotary cutter of surgery bookbinding instrument

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Such as Figure 1~4 As shown, when the inclined-plane rotary sleeve assembly is built-in, the inclined-plane rotary sleeve assembly includes a connecting sleeve 8; The outside of the threaded insert 10 is fixedly connected with a fastening nut 4, and an inclined surface 11a is provided around the connecting sleeve 8. The swivel sleeve 9 is riveted on the inner bottom of the ring cutter 3, and there is an inclined surface 11b matching with the connecting sleeve 8 on the periphery. 2. The bottom of the front end is provided with a barb 7 that penetrates into the inner bottom of the ring cutter 3 and connects with the bottom of the swivel sleeve 9 for pulling back the swivel sleeve and the ring cutter.

[0020] During the work of the present invention, when the push nail piece 2 is subjected to a forward displacement, it will drive the ring cutter 3 to move forward; The rotary sleeve 9 rotates along the inclined plane. Because the rotary sleeve 9 is fixed by riveting wit...

Embodiment 2

[0022] Such as Figure 5 As shown, when the inclined-plane rotary sleeve assembly is placed externally, the inclined-plane rotary sleeve assembly includes a connecting sleeve 8; A fastening nut 4 is fixedly connected to the outside of the threaded insert 10, and an inclined surface 11a is provided around the connecting sleeve 8. The swivel sleeve 9 is riveted on the outer bottom of the ring cutter 3, and there is an inclined surface 11a matching with the connecting sleeve 8 on the periphery. The bottom of the front end of the sheet 2 is provided with a barb 7 to be connected with the bottom of the swivel sleeve 9 .

[0023] When the present invention works, when the nail push piece 2 is subjected to a forward displacement, it will drive the rotary sleeve 9 and the ring cutter 3 to move forward; when the inclined surface 11b around the rotary sleeve 7 contacts the inclined surface 11a of the connecting sleeve , will force the swivel 9 to rotate along the inclined plane. Becau...

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PUM

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Abstract

The invention relates to a rotary cutter of a binding instrument used for surgical operation, which comprises a nail warehouse, an ejector pin sheet, a looped type cutting knife, an ejector pin column and a nail barrel, and also comprises a rotary component. A looped type cutting knife feeding device composed of the nail warehouse, the ejector pin sheet, the looped type cutting knife, the ejector pin column and the nail barrel and the rotary component is a rotary feeding device. An expansion blocking pipe and the ejector pin sheet are arranged in the nail barrel, a cavity body matched with the looped type cutting knife is positioned at the front end of the nail barrel and the ejector pin sheet, the looped type cutting knife is suited on the expansion blocking pipe and arranged in the cavity body, the circumferential edges at the front end of the nail barrel and the ejector pin sheet are respectively connected and touched with the looped type warehouse nail. A rotary feeding way is generated due to the looped type cutting knife being acted by the rotary component during the straight line cutting process. The invention has the advantages that a rotary cutting function is realized, the resistance of a cutting off organization is effectively decreased, the wound of the organization stretching caused by cutting off is reduced, the cutting off organization is guaranteed safely and reliably, and the binding force required for the operation is reduced.

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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Patent Type & Authority Patents(China)
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