Stomach striding stent

A skeleton, together technology, applied in the field of medical stents, can solve the problems of difficult food delivery, saliva, esophageal secretions entering, affecting the treatment effect, etc.

Inactive Publication Date: 2012-06-20
XIGEMA MEDICAL IND HUAIYIN CITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a transgastric stent to solve the problems encountered in the current treatment of gastric diseases: difficulty in food delivery, and saliva and esophageal secretions entering the gastric cavity of the human body, which affects the therapeutic effect

Method used

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Embodiment Construction

[0021] Such as figure 1 As shown, the present invention is composed of a membrane tube 3, a wire skeleton 2 and a cylindrical anti-reflux membrane skirt 1. The wire skeleton 2 is bonded between the inner and outer layers at both ends of the membrane tube 3 to prevent backflow The flow membrane skirt 1 is bonded to one end of the membrane tube 3 .

[0022] still as figure 1 As shown, the wire skeleton 2 is a mesh structure. The mesh structure is composed of metal wires 21 and auxiliary wires 22, each unit of the wire skeleton 2 is a continuous V-shaped structure, and the auxiliary wires 22 connect the top ends of the V-shaped structures of each unit together , and then continuously connect the tops of the V-shaped structures of the two units in a V-shaped structure. The diameter of the metal wire in the wire skeleton 2 is generally between 0.15-0.8 mm. In this embodiment, the wire is made of stainless steel wire with a diameter of 0.5 mm. The auxiliary wires are non-metal w...

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Abstract

The invention discloses a stomach striding stent, which is formed by a membrane pipe, a metal wire framework and a cylindrical backflow resisting membrane skirt. The metal wire framework is bonded between inner layers and outer layers of two end portions of the membrane pipe, or the metal wire framework is bonded between the inner layers and the outer layers of two end portions of the membrane pipe with the condition that one end of the metal wire framework extends out of the end portions of the membrane pipe, and the backflow resisting membrane skirt is bonded at one end of the membrane pipe. When the stent is implanted in bodies of patients by using the minimally invasive technique, one end of the stent is arranged on the cardia portion, the other end of the stent is arranged on the back of the pylorus portion, and the stent in the gastral cavity is mainly the membrane pipe made of flexible high polymer materials. Therefore, the patients can eat liquid diet easy to digest by themselves, spittle and esophagus secretion objects excreted by the patients every day can directly enter intestinal tracts through the stomach striding stent, an additional selection of doctors for improving stomach illness treatment curative effects is provided, and the doctors can better serve the patients and relieve illness of the patients.

Description

technical field [0001] The invention relates to a medical bracket, which belongs to the technical field of medical instruments. Background technique [0002] Medical stents have been widely used, and are mainly used to open stenosis, block fistulas, and administer local drugs, in order to make the lumen unobstructed. [0003] The current medical stents are basically used in a single organ or two adjacent organs, such as esophagus, esophagus and stomach, gastrointestinal tract, intestinal tract, urethra, biliary tract, etc. And the patients are various, there is a kind of patients, gastric fistula or other stomach diseases occur, doctors mostly adopt the treatment method of old breath, the effect is very bad. If you can’t eat, you can use liquid food directly to the intestinal tract through the nasal feeding tube without force. Esophageal secretions have entered the gastric cavity of the human body. The amount of these liquids is several hundred milliliters every day, which...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/04
Inventor 王震朱步兵赵振亚
Owner XIGEMA MEDICAL IND HUAIYIN CITY
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