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Duodenum casing for treating diabetes implanted under endoscope

A technology for duodenum and diabetes, applied in medical science, non-surgical orthopedic surgery, surgery, etc., can solve the problem of adhesion between the outer wall of the cannula and the intestinal wall

Active Publication Date: 2014-09-10
巴克
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The present invention provides a sleeve that can treat diabetes in the medical field, and also provides a sleeve that can not only solve the problem of adhesion between the outer wall of the sleeve and the intestinal wall in the prior art, but also solve the problem of twisting caused by mutual adhesion between the inner wall and the inner wall. The problem of obstruction can also simulate the technology of human intestinal function well after being implanted in the body

Method used

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  • Duodenum casing for treating diabetes implanted under endoscope
  • Duodenum casing for treating diabetes implanted under endoscope
  • Duodenum casing for treating diabetes implanted under endoscope

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Example 1: Such as Figure 1-Figure 4 Shown

[0032] The duodenal cannula used for the treatment of diabetes is inserted under the endoscope. It is an anchoring part composed of a Nitinol ring 3 (an alloy of nickel and titanium, also called a memory alloy) and an enlarged part of the cannula. There is a casing pipe 1 composed of a spiral pipe 2 which can inject liquid and gas on a pipe wall. The distal end of the spiral pipe 2 is closed, and the injection end is connected with the one-way valve 4 through the injection pipe 41.

[0033] The anchoring part composed of Nitinol and the expansion part of the sleeve is composed of two nickel-titanium wire loops with a diameter of 5.5 cm, the diameter of the nickel-titanium wire is 0.1 cm, and the distance between the two rings is 0.5 cm to expand the end of the sleeve. Barb ( figure 1 The left end) are connected in series.

[0034] The distal end of the sleeve is an annular tube 5, which has a supporting effect.

[0035] The five ...

Embodiment 2

[0041] Example 2: Such as Figure 5 Shown

[0042] The sleeve on the sleeve is straight, one end is closed, and the other end is provided with a one-way valve. The principle is the same as that of the first embodiment.

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Abstract

The invention discloses a duodenum casing for treating diabetes implanted under an endoscope. The duodenum casing comprises an anchoring part and a pipeline, wherein the anchoring part consists of two parallel nitinol rings and a casing extension expanding part; the pipeline into which liquid or gas can be injected is arranged on the tube wall of the casing of which the two ends are communicated with each other; the two nitinol rings are arranged on a triangular tooth-shaped structure of the anchoring part; and the nitinol rings are used for opening the opening of the casing extension expanding part. The duodenum casing has the beneficial effects that nitinol and a biocompatible polymer are taken as raw materials, so that the duodenum casing can be well implanted in vivo directly under the endoscope by using relevant appliances for treating type 2 diabetes. The duodenum casing can be taken out of the endoscope in time without surgery when not necessary.

Description

Technical field [0001] The invention relates to a medical device. technical background [0002] At present, the annual incidence of diabetes in my country has reached 6.7%, which is as high as in large cities (10% in Shanghai). It will reach 200-300 million people in 2025. The main domestic and international measures for the treatment of diabetes include drug treatment and surgical treatment carried out in recent years. The surgical methods include open surgery and laparoscopic surgery. The "gastric bypass surgery" in surgery has become the gold standard of treatment, and the therapeutic effect is comparable to drug treatment. Because the operation can cause irreversible damage to the human body and some possible complications appear, so the development is limited. [0003] In the search of the prior art: [0004] [1]. Keith S. Gersin, MD, Jennifer E. Keller, MD, Dimitrios Stefanidis, et al. in IEEE Surgical Innovation, 14(4): 275-278, 2007, "Duodenal—Je junal Bypass Sleeve: A To...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F5/00A61B17/00A61L31/02
Inventor 巴克巴若乾
Owner 巴克
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