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Degradable or detachable digestive tract bracket

A digestive tract, together technology, applied in the field of digestive tract stents, can solve the problems of easy displacement and difficult removal of stents

Inactive Publication Date: 2013-12-04
刘吉勇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Gastrointestinal stenosis is a common clinical disease, and stent placement is one of the main methods for conservative treatment of gastrointestinal stenosis, but currently used stents are easy to shift and difficult to remove after shifting

Method used

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  • Degradable or detachable digestive tract bracket
  • Degradable or detachable digestive tract bracket
  • Degradable or detachable digestive tract bracket

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0005] The upper right third round nickel-titanium alloy metal sheet 1, the upper left third round nickel-titanium alloy metal sheet 4 and the lower third round nickel-titanium alloy metal sheet 3 through polylactic acid material wire or surgical wire 2 wires to connect them together. In order to solve the above problems, it is specially designed to use absorbable polylactic acid material thread 2 or detachable surgical thread 2 to form the upper right third round nickel-titanium alloy metal sheet 1, and the upper left third round nickel-titanium alloy metal sheet 1. The connection part between the alloy metal sheet 4 and the lower third of the round nickel-titanium alloy metal sheet 3, the polylactic acid material thread 2 can be degraded within a certain period of time in the body or the surgical thread 2 can be removed under endoscope; the bracket is decomposed into Several pieces were excreted naturally or removed under endoscopy.

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Abstract

A degradable or detachable digestive tract support comprises a nickel-titanium alloy metal piece (1) in the shape of the right upper one-third of a circle, a nickel-titanium alloy metal piece (4) in the shape of the left upper one-third of the circle, and a nickel-titanium alloy metal piece (3) in the shape of the bottom one-third of the circle. The metal pieces are connected together by a wire of polyactic acid material or a surgical suture (2).

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a degradable or detachable digestive tract stent. Background technique [0002] Gastrointestinal stenosis is a common clinical disease, and stent placement is one of the main methods for conservative treatment of gastrointestinal stenosis, but currently used stents are easy to shift and difficult to remove after shifting. Contents of the invention [0003] In order to overcome the above disadvantages, the object of the present invention is to invent a degradable or disassembled digestive tract stent for taking out. Its technical scheme is: the upper right third round nickel-titanium alloy metal sheet 1, the upper left third round nickel-titanium alloy metal sheet 4 and the lower third round nickel-titanium alloy metal sheet 3 through polylactic acid A winding of material wire or surgical wire 2 connects them together. The advantages of the invention are: the digestiv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61L31/02A61L31/06
CPCA61L2400/16A61L31/02A61L31/148A61L31/06A61L31/022A61L31/14
Inventor 刘吉勇王传栋刘瑾李俊起
Owner 刘吉勇
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