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Ureteral stent tube

A technology for ureteral stents and supporting frameworks, applied in catheters, wound drainage devices, etc., can solve problems such as ureteral stenosis, difficulty in taking out ureteral stents, easy slippage of ureteral stents, etc., and achieve the effect of small damage

Pending Publication Date: 2020-12-22
SURGSCI SHENZHEN MEDICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of ureteral stenosis and difficulty in taking out the ureteral stent tube in the prior art, and at the same time take into account the problems that the ureteral stent tube is prone to slippage

Method used

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Examples

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Embodiment Construction

[0039] The following description of certain embodiments of the invention is not limited to the application and use of the details of construction and arrangement of parts shown and described in the drawings and description. The illustrated embodiments of the invention can be implemented or incorporated into other embodiments, modifications and changes, and can be practiced or carried out in various ways. In addition, the terms and expressions used herein have been chosen for the convenience of the reader and for the purpose of describing the illustrated embodiments of the invention and are not for the purpose of limiting the invention unless otherwise indicated.

[0040] It should be understood that the term "end" as used herein is understood to refer to a longitudinal boundary, or to denote the surface of such a boundary. "Plurality" means at least two, such as two, three, etc., unless specifically defined otherwise.

[0041] In addition, it should be understood that any one...

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Abstract

The invention discloses a ureteral stent tube which comprises a self-expanding portion in a hollow circular tube shape and hollow holding portions arranged at two ends or one end of the self-expandingportion. The self-expanding portion and the holding portions at two ends or one end of the self-expanding portion are combined into an integral structure and communicate with each other. The self-expanding portion comprises a working portion and transition portions integrally formed with two ends or one end of the working portion. One end of each transition portion communicates with the working portion, and the other end of each transition portion communicates with the corresponding holding portion. The self-expanding portion comprises a supporting framework and a thin film covering the supporting framework. Each holding portion is used for being hung and held in a kidney and / or a bladder. The ureteral stent tube provided by the invention can be more firmly fixed in a ureter, and the working portion of the ureteral stent tube better and more firmly fits the ureter, so that the ureteral stent tube does not cause upward and / or downward displacement of a stent due to movement of a patient.

Description

technical field [0001] The application of the present invention relates to the technical field of medical devices, in particular to a ureteral stent that can be inserted into a human body. Background technique [0002] The ureters are tube-like passages in the body that carry urine from the kidneys to the bladder. Ureteral stents are used extensively in urological and gynecological procedures to facilitate drainage of urine from the kidneys to the bladder and to overcome pathologically narrowed ureters and blockages during or after surgery in patients with obstructed or injured ureters , or to protect the integrity of the ureter during various surgical procedures. [0003] Ureteral stents currently on the market are mainly double-J tubes, that is, one or both ends of the ureteral stent can be coiled into a ring-shaped pigtail shape, which are used to fix the renal pelvis and bladder respectively to prevent upward and / or downward migration of the stent due to patient movemen...

Claims

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Application Information

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IPC IPC(8): A61M25/14
CPCA61M25/0017A61M25/0023A61M25/005A61M25/0068A61M25/008A61M2025/0024A61M27/008
Inventor 李星智冯耿超赵昱
Owner SURGSCI SHENZHEN MEDICAL TECH CO LTD
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