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Knob assembly and circular tube type anastomat with same

A stapler and round tube type technology, applied in the field of round tube type staplers, can solve problems such as troublesome processing and achieve the effect of convenient assembly

Active Publication Date: 2013-06-12
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the existing knob assembly is formed by ultrasonic welding, which is troublesome to process

Method used

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  • Knob assembly and circular tube type anastomat with same
  • Knob assembly and circular tube type anastomat with same
  • Knob assembly and circular tube type anastomat with same

Examples

Experimental program
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Embodiment Construction

[0037] The present invention will be described in detail below in conjunction with the implementations shown in the drawings, but it should be noted that these implementations are not limitations of the present invention, and those of ordinary skill in the art based on the functions, methods, or structural changes made by these implementations Equivalent transformations or substitutions all fall within the protection scope of the present invention.

[0038] The words expressing position and direction described in the present invention refer to the operator of the instrument, the end close to the operator is the proximal end, and the end far away from the operator is the distal end.

[0039] Such as figure 1 , figure 2 As shown, in one embodiment of the present invention, a circular stapler includes a stapler body 10 , an anvil assembly 20 matched with the stapler body 10 , and an operating handle 30 pivotally connected to the body 10 .

[0040] The stapler body 10 includes ...

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PUM

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Abstract

The invention provides a knob assembly and a circular tube type anastomat with the knob assembly. The knob assembly comprises a knob body, and a slow threaded part and a locating plate detachably arranged in the knob body, wherein the locating plate is matched with the knob body so as to fix relative positions of the slow threaded part and the knob body. Compared with the prior art, the knob assembly and the circular tube type anastomat with the knob assembly are more convenient to assemble.

Description

technical field [0001] The invention relates to a knob assembly and a round tubular stapler provided with the knob assembly, belonging to the technical field of medical instruments. Background technique [0002] The round tube stapler is a medical device often used in surgical operations on physiological tissues such as the digestive tract. Most of this type of stapler adopts the axial inward binding method. During the anastomosis, the two sections of tissue are restrained and a circular anastomotic ring is formed inside the tissue. Tissues heal relatively easily. [0003] Conventionally, a circular tubular stapler includes a stapler body, an operating handle movably connected to the stapler body, and an anvil assembly matched with the body. The stapler body includes an annular staple cartridge and a cutting knife arranged at the distal end. The anvil assembly includes a conical anvil, an anvil cap fixed on the top of the anvil, a knife anvil arranged inside the anvil, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/115
Inventor 陈望东丁水澄
Owner TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD
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