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Drainage catheter

A catheter and tube body technology, applied in the field of drainage catheters, can solve the problems of poor drainage catheter lumen circulation and the like

Inactive Publication Date: 2017-01-25
许荣德 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the object of the present invention is to provide a drainage catheter, which can effectively solve the problem of poor fluidity of the inner lumen of the double-acting drainage catheter

Method used

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Examples

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Embodiment Construction

[0027] The embodiment of the present invention discloses a drainage catheter to effectively solve the problem of poor fluidity of the inner lumen of the double-action drainage catheter.

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] see Figure 1-Figure 4 , figure 1 Schematic diagram of the structure of the drainage catheter provided by the embodiment of the present invention; figure 2 for figure 1 Schematic diagram of the A-A cross-sectional structure of the middle drainage catheter in the no...

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Abstract

The invention discloses a drainage catheter which comprises a catheter body which is provided with a drainage cavity channel and a particle cavity channel. An elastic film is disposed in a catheter cavity of the catheter body, can be pressed to deform and is used for dividing the catheter cavity into the drainage cavity channel and the particle cavity channel. When the drainage catheter is applied, since the elastic film is disposed in the catheter body of the drainage catheter, when drainage is performed, pressures on the two sides of the elastic film are different, so that the elastic film is protruded towards the side of the particle cavity channel, and the drainage cavity channel can be obviously enlarged to facilitate drainage; when particle leading in is performed, the elastic film contacting with radioactive particles is protruded towards the side of the drainage cavity channel to facilitate the particle leading in. In conclusion, by application of the drainage catheter, the problem of poor circulation of the cavity channels in the double-acting drainage catheter can be effectively solved.

Description

technical field [0001] The invention relates to the technical field of medical devices, and more specifically, to a drainage catheter. Background technique [0002] Drainage catheter is a medical device widely used in clinical surgery. It is used to remove irritating substances such as effusion, blood accumulation, and empyema, reduce exudate retention, and promote inflammation to subside, thereby facilitating wound healing and preventing new infections. and diffusion, while local pathological changes can be observed. At present, there are many types of drainage tubes used clinically, including drainage tubes for the urethra, brain cavity, chest cavity, and gastrointestinal tract. Although the materials and structures are slightly different, they are generally single-lumen tubes with a single purpose. [0003] It is clinically found that the treatment site of the drainage tube is often accompanied by cancerous tissue, such as malignant obstructive jaundice, malignant biliar...

Claims

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Application Information

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IPC IPC(8): A61M25/14A61M36/06
CPCA61M25/0023A61M25/0043A61N5/1007A61N5/1014A61N2005/1024A61N2005/1085
Inventor 许荣德成正辉李郴飞张效凯陈海云
Owner 许荣德
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