Ureteral stent

A ureteral stent tube, tubular structure technology, applied in the direction of catheters, wound drainage devices, etc., can solve the problems of infection, edema, urinary tract tissue damage, etc., and achieve the effect of alleviating pain

Inactive Publication Date: 2012-06-20
TAIZHOU YINLIN MEDICAL INSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

All existing ureteral stents must be removed through invasive operations, usually by cystoscopy. Although this type of cystoscopy is not considered a major operation, the patient will suffer, especially for mal...

Method used

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Embodiment Construction

[0025] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0026] figure 1 Structural representation of the ureteral stent tube provided for the embodiment of the present application Figure 1 . figure 2 Structural representation of the ureteral stent tube provided for the embodiment of the present application Figure II .

[0027] Such as figure 1 and figure 2 As shown, the ureteral sten...

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Abstract

The invention discloses a ureteral stent, which comprises a body and a pull wire, wherein the body is of a tubular structure, two ends of the body are bent into arcs in opposite directions, the pull wire is wound on the body and positioned at one end of the body, one end of the pull wire is fixed to the body, the other end of the pull wire is separated from the body, an outer layer of the pull wire is coated with a degradable coating layer after the pull wire is wound, and the wound pull wire wraps the body. Compared with the prior art, the ureteral stent has the advantages that the pull wire can be automatically released after the ureteral stent is placed into a body for a period of time, and the ureteral stent can be removed by pulling the pull wire outside the body, so that removal of a cystoscope can be avoided, the pain of a patient caused by cystoscopy operation is relieved, and injury to the patient caused by removal of the cystoscope is avoided.

Description

technical field [0001] The present application relates to the technical field of medical devices, in particular to a ureteral stent. Background technique [0002] A ureteral stent is a long, thin tube that runs from the kidney to the bladder. When the ureter is blocked, a ureteral stent supports the ureter so that urine can drain from the kidney to the bladder. A urologist will place a stent in the ureter in many cases, such as when stones, scar stenosis, tumors, etc. cause obstruction. Ureteral surgery (including ureteroscopy, lithotripsy, and open ureteral surgery) routinely requires the placement of ureteral stents, and renal pelvis surgery (such as pyelolithotomy, renal pelvis plasticity, percutaneous nephrolithotomy, etc.) also requires routine placement of ureteral stents . [0003] Ureteral stents are widely used in urological surgery, and currently there is no ureteral stent that can be permanently placed in the body. All existing ureteral stents must be removed ...

Claims

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Application Information

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IPC IPC(8): A61M25/00
CPCA61M27/008
Inventor 黄赤兵冯嘉瑜许晓婷周再坤高技明
Owner TAIZHOU YINLIN MEDICAL INSTR CO LTD
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