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Surgical stitching instrument with safety device

A surgical suturing device and a safety device technology, applied in the field of medical devices, can solve the problems of low anti-fatigue ability, small elastic modulus of leaf spring, plastic deformation of leaf spring, etc., so as to overcome the loss of elasticity due to plastic deformation and have strong anti-fatigue ability , the effect of stable recovery

Active Publication Date: 2013-04-03
B J ZH F PANTHER MEDICAL EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a surgical suturing instrument with a safety device to at least solve the problem that in the prior art, due to the small elastic modulus and low fatigue resistance of the leaf spring, the leaf spring is prone to plastic deformation and loses its elasticity, so that the safety cannot be reset. technical issues

Method used

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  • Surgical stitching instrument with safety device
  • Surgical stitching instrument with safety device
  • Surgical stitching instrument with safety device

Examples

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Embodiment Construction

[0024] This embodiment provides a preferred surgical suturing instrument, taking a linear stapler as an example, such as figure 1 As shown, it includes a safety device 1 , a staple cartridge assembly 2 , and a splint assembly 3 . Such as figure 2 As shown, the above-mentioned safety device 1 includes a safety block 11, an elbow groove 12, a safety pin 13, a safety extension spring 14 and a spring pin 15, the above-mentioned nail cartridge assembly 2 includes a nail push piece 21, and the above-mentioned splint assembly 3 includes splints 31 and Push nail plate 32. Wherein above-mentioned splint 31 is two symmetrical pieces, because figure 2 It is a partial cross-sectional view of the preferred linear stapler in this embodiment, only showing a splint 31 .

[0025] The above-mentioned safety block 11 is fixed on the two above-mentioned splints 31 by the above-mentioned safety pin 13, so that the above-mentioned safety block 11 is in the middle of the two above-mentioned spl...

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Abstract

The invention provides a surgical stitching instrument with a safety device. The surgical stitching instrument comprises a safety block, a pushing nail sheet and an elbow recess, wherein before the instrument is put in use, the pushing nail sheet is propped against the safety block; an elastic part is connected to the safety block; the elastic part does not include a plate spring; and after the firing of the instrument is finished and the pushing nail sheet is separated from the safety block, the safety block is rotated by the elastic part, so that a hook at the lower end of the safety block is propped against the elbow recess. According to the invention, the safety restoring force is provided by an extension spring; and as the extension spring has the advantages of large elastic modulus, high anti-fatigue capability and stable restoring force, the safety at the front end of the surgical stitching instrument is stabler and more reliable, and the defect that the elasticity of the plate spring is lost because the plate spring is easy to generate plastic deformation in the prior art is overcome.

Description

technical field [0001] The invention relates to the field of medical instruments, in particular to a surgical suturing instrument with a safety device. Background technique [0002] In the surgical operation of medical science, since the first staple product in the 1960s, the medical stapler has become an indispensable medical device in the process of suturing the knife edge. Various surgical medical staplers are widely used in surgical operations to suture human digestive tract tissues, respiratory tract tissues and vascular tissues, which can reduce operation time and improve operation quality. They are usually used for end-to-end, end-to-side, and side-to-side suture operations such as esophagus, stomach, duodenum, small intestine, colon, and rectum in the digestive tract, or operations for forming channels or closing incisions such as hemorrhoidectomy and gastric pylorostomy. It is used in the suture operation of the lung and trachea in the respiratory tract and the sut...

Claims

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Application Information

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IPC IPC(8): A61B17/072
Inventor 李学军刘青
Owner B J ZH F PANTHER MEDICAL EQUIP
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