CN2350075Y - Conic film backflow preventing supporter for esophagus - Google Patents
Conic film backflow preventing supporter for esophagus Download PDFInfo
- Publication number
- CN2350075Y CN2350075Y CN 98242402 CN98242402U CN2350075Y CN 2350075 Y CN2350075 Y CN 2350075Y CN 98242402 CN98242402 CN 98242402 CN 98242402 U CN98242402 U CN 98242402U CN 2350075 Y CN2350075 Y CN 2350075Y
- Authority
- CN
- China
- Prior art keywords
- film
- cone
- conic
- shaped membrane
- esophagus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Media Introduction/Drainage Providing Device (AREA)
- Prostheses (AREA)
Abstract
The utility model relates to a conic film backflow preventing support for an esophagus. A conic film is arranged in the lower end cavity of the esophageal support with a film. One side of the conic film is adhered with an inner cavity, and the other side is provided with an overlapping double edge. The top and the bottom of the edge is adhesive, but the middle of the edge is not adhesive. When the internal pressure of the stomach of a patient rises, stomach contain objects and gas can go up through a portion which is not adhesive. The overlapping condition is restored after the stomach pressure drops. The gastric fluid backflow is effectively prevented, and the occurrence of backflow esophagitis is prevented. The utility model is an ideal upgrade product for the existing support.
Description
This utility model relates to medical apparatus, specifically is the cone-shaped membrane Esophageal Stent structure that a kind of anti-food backflows.
At treatment esophagitis, esophageal stricture, for making patient's esophagus unobstructed, in esophagus, put into a covered stnet usually during the esophageal carcinoma at present, improve critical patient's life quality, prolong life cycle to guarantee patient's normal feed.The supporting structure that Chinese patent ZL952392879ZL972073280 proposes preferably resolve patient's feeding problem, but this support does not have anti-recirculation device, enters the food in the stomach, backflows out easily, easily makes patient suffer from reflux esophagitis from Esophageal Stent.
The purpose of this utility model is: design the anti-Esophageal Stent that backflows of a kind of cone-shaped membrane, can prevent effectively that food from backflowing.
The purpose of this utility model is achieved in that the lower end intracavity at band film Esophageal Stent is provided with a cone-shaped membrane that coincide with the inner chamber internal diameter, its sidewall and support film internal chamber wall are bonding, form bonding zone, the cone-shaped membrane opposite side is free, the free bilateral overlapping of side form, the upper and lower end on limit is bonding, mid portion is not bonding.
The side that food is pushed the free fraction cone-shaped membrane to be adhesively fixed to during feed, it is unobstructed to take food, and food restores to the original state by the back cone-shaped membrane, is adjacent to garden tubular support film inner chamber, prevents that gastric juice from backflowing.When intragastric pressure obviously increased, the bilateral duct that separately forms of the not adherent overlapping of cone-shaped membrane made stomach and gas up, and when the intragastric pressure reduction, the bilateral overlapping once more that separates prevents that gastric juice from backflowing.
Fig. 1 is this utility model structural representation
Fig. 2 is this utility model cone-shaped membrane structural representation
Among the figure, the 1. band film Esophageal Stent 2. cone-shaped membranes 3. stick portions 4. cone-shaped membranes bilateral 5. tapered edges not stick portion of stick portion 6. that overlaps up and down that overlaps.
Further introduce implementation method of the present utility model down in conjunction with the accompanying drawings:
Topped on the support that stainless steel silk is made by the film that macromolecular material is made, form band film Esophageal Stent 1.The cone-shaped membrane 2 that macromolecular material is made is positioned at the intracavity at 2cm place, support 1 lower end, the bonding formation stick portion 3 of one side of cone-shaped membrane and support film inner chamber, the opposite side of cone-shaped membrane has a limit 4 that overlaps, limit 4 upper and lower all bonding formation stick portions 5, and the mid portion on overlapping limit is stick portion 6 not.When the patient of implant frame took food, food is pushed the cone-shaped membrane of free fraction to stick portion 3. cone-shaped membranes did not influence feed.After food passed through, cone-shaped membrane restored to the original state, and is adjacent to rack bore, prevents that gastric juice from backflowing.When intragastric pressure increases, cone-shaped membrane not stick portion 5 separately forms the duct, makes stomach and gas up, and after intragastric pressure reduced, last stick portion overlapped once more, reached anti-purpose of backflowing.
This utility model has solved the problem that patient's implant frame gastric juice backflows effectively, is the existing ideal substitute products of support.
Claims (1)
1. a cone-shaped membrane prevents backflowing Esophageal Stent, it is characterized in that: one cone-shaped membrane (2) that coincide with rack bore is set at band film Esophageal Stent (1) lower end intracavity, cone-shaped membrane (2) sidewall and the bonding formation bonding zone of support (1) film internal chamber wall (3), cone-shaped membrane (2) opposite side is free shape, the limit (4) that bilateral overlapping is arranged, the bonding formation adhesive surfaces in the two ends up and down on limit (5), mid portion is stick portion (6) not.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98242402 CN2350075Y (en) | 1998-10-14 | 1998-10-14 | Conic film backflow preventing supporter for esophagus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98242402 CN2350075Y (en) | 1998-10-14 | 1998-10-14 | Conic film backflow preventing supporter for esophagus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2350075Y true CN2350075Y (en) | 1999-11-24 |
Family
ID=33988972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98242402 Expired - Fee Related CN2350075Y (en) | 1998-10-14 | 1998-10-14 | Conic film backflow preventing supporter for esophagus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2350075Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104771253A (en) * | 2014-01-14 | 2015-07-15 | 上海市同济医院 | Degradable backflow-prevention esophagastro anastomosis support |
| CN108186160A (en) * | 2017-11-28 | 2018-06-22 | 王勇 | The anti-Esophageal Stent that backflows of one kind |
-
1998
- 1998-10-14 CN CN 98242402 patent/CN2350075Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104771253A (en) * | 2014-01-14 | 2015-07-15 | 上海市同济医院 | Degradable backflow-prevention esophagastro anastomosis support |
| CN104771253B (en) * | 2014-01-14 | 2016-06-08 | 上海市同济医院 | The anti-esophagus and stomach anastomosis bracket that backflows of a kind of degradable |
| CN108186160A (en) * | 2017-11-28 | 2018-06-22 | 王勇 | The anti-Esophageal Stent that backflows of one kind |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |