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Empty nail cabin self-locking device of straight line cutting anastomat

A technology of linear cutting and self-locking device, which is applied in the field of medical devices, can solve problems such as complex structures, and achieve the effects of low implementation cost, simple use and high reliability

Active Publication Date: 2009-01-28
SUZHOU FRANKENMAN MEDICAL EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] U.S. Patent No. 5,878,938 discloses a self-locking device for an empty staple magazine. The device realizes locking through the fitting of elastic parts and concave-convex parts, but its structure is relatively complicated.

Method used

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  • Empty nail cabin self-locking device of straight line cutting anastomat
  • Empty nail cabin self-locking device of straight line cutting anastomat
  • Empty nail cabin self-locking device of straight line cutting anastomat

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0019] Specific embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0020] The linear cutting stapler includes: a staple bin 10 extending in the front-rear direction; a cutter 20 that can slide relative to the staple bin 10 in the front-rear direction; a push handle 30 for pushing the cutter 20 to slide; an empty staple bin implemented according to the present invention. lock device.

[0021] as attached figure 1 And attached figure 2 As shown, the empty staple cartridge self-locking device 40 is composed of a lock block 41, a lever 42 as a safety element, and an extension spring 43.

[0022] Wherein, the locking block 41 is rotatably connected with the staple cartridge 10 around a first horizontal rotation axis a extending along the width direction of the staple cartridge 10 , and has an unlocked position and a locked position. attached figure 1 , the locking block 41 is in the unlocked position. At this time, the...

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PUM

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Abstract

The invention discloses an empty nail bin self-locking device of a linear cutting stapler, comprising a locking block which is provided with an unlocking position which is not contacted with the cutter and a locking position which pushes through the cutter in the front and rear direction, a locking keeping mechanism which leads the locking block to have the trend of rotating towards the locking position, and an insurance part which is provided with a safety device; when the insurance part is arranged at the insurance position, the locking block is arranged at the unlocking position; the empty nail bin self-locking device also comprises a position limit mechanism which can resist the applying force of the locking keeping mechanism and leads the insurance part to be fixed on the insurance position, and an operation mechanism which leads the insurance part to be disconnected from the insurance position by pushing through the cutter in the front and rear direction. The empty nail bin self-locking device of the linear cutting stapler of the embodiment of the invention has the advantages of simple structure, high reliability, simple usage and low execution cost.

Description

technical field [0001] The invention relates to a medical appliance used in surgical operations, more specifically, to a linear cutting stapler. Background technique [0002] Linear cutting stapler is a kind of instrument widely used in digestive tract reconstruction, which can complete functions such as tissue anastomosis and closure. [0003] In clinical use, the instrument will be used repeatedly by the heavy-loaded staple cartridge. If there is no empty staple cartridge protective structure, if the empty staple cartridge is reloaded with the instrument for repeated use, the knife will cut or cut off the tissue. But failed to sew on the serious consequences. Therefore, in order to make the physician unable to fire the instrument after reloading the empty staple cartridge that has been fired, one of the basic design principles of the linear cutting stapler is that the empty staple cartridge must be locked. [0004] U.S. Patent No. 5,878,938 discloses a self-locking devic...

Claims

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Application Information

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IPC IPC(8): A61B17/068A61B17/138
Inventor 翁志强
Owner SUZHOU FRANKENMAN MEDICAL EQUIP
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