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Guiding type urethral calculus extractor

A urethral calculus and extractor technology, applied in the medical field, can solve problems such as easy damage to the urethra, and achieve the effects of alleviating pain, avoiding damage, and simplifying the extraction process

Active Publication Date: 2021-07-16
QINGDAO HUANGDAO HOSPITAL OF TRADITIONAL CHINESE MEDICINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The urethral calculus remover in the prior art lacks a protection mechanism for the inner wall of the urethra, and it is easy to damage the urethra. For example, when removing a calculus, it is necessary to use claws to grab the calculus, and then remove the calculus by hard pulling

Method used

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  • Guiding type urethral calculus extractor
  • Guiding type urethral calculus extractor
  • Guiding type urethral calculus extractor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A guided urethral stone remover, such as Figure 1-3 As shown, it includes a cannula handle 1 and a guide tube 2 for penetrating into the urethra. The upper end of the surface is coaxially provided with an annular groove, and an inflatable air bag 21 is arranged in the annular groove, and the inner end surface of the inflatable air bag 21 is fixedly connected with the groove bottom of the annular groove, and a through guiding pipe is arranged at the groove bottom of the annular groove 2 inner chamber 20 and the connecting pipe inside the expansion air bag 21, the top end of the guide pipe 2 is provided with a broken disk 9, and the top end surface of the guide pipe 2 is sealed and fixedly connected with the bottom end surface of the broken disk 9. The upper part of the outer wall surface of the sleeve handle 1 is provided with an inflatable tube 19 that runs through the sleeve handle 1 and the inner cavity 20. The bottom end of the guide tube is closed, and the describe...

Embodiment 2

[0028] This embodiment is an improvement made on the basis of the foregoing embodiments, specifically:

[0029] Such as Figure 1-3 As shown, the crushing disc 9 is a flat cylindrical structure, and the outer edge of the top end surface of the crushing disc 9 is coaxially provided with an annular guide plate 10, and the top end surface of the crushing disc 9 on the inside of the annular guide plate 10 is broken The axis of the disc is evenly distributed with a plurality of spike structures 23; the annular guide plate 10 plays a guiding role, that is, guides the guide tube 2 to penetrate into the urethra; Constitutes damage to the urethral wall, and also isolates the urethral wall from the spike structure 23, preventing the spike structure 23 from stabbing the urethral wall; at the same time, when the stone 02 falls on the crushing disc 9, the spike structure 23 can cause damage to the stone. The crushing effect promotes the breaking of stones into small pieces for easy discha...

Embodiment 3

[0031] This embodiment is an improvement made on the basis of the foregoing embodiments, specifically:

[0032] Such as image 3 As shown, the inner cavity 20 is also coaxially provided with a central tube 17, the upper end of the central tube 17 penetrates the upper surface of the top end of the crushing disc, and the lower end penetrates the lower surface of the bottom end of the guide tube 2, and the central tube 17 There is a drawing wire 16 slidingly connected inside, the upper end of the drawing wire 16 protrudes from the upper surface of the crushing disc, and a crushing needle 22 is arranged on the upper end of the drawing wire, the lower end of the drawing wire 16 extends into the sleeve handle, and is connected with the vibration The mechanism 14 is connected; the crushing needle 22 should be a hard metal material to facilitate the crushing of stones;

[0033] Such as image 3 As shown, the bottom of the sleeve handle is provided with a battery box, the battery box...

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PUM

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Abstract

The invention relates to a guiding type urethral calculus extractor, and relates to the technical field of medical treatment. The guiding type urethral calculus extractor comprises a sleeve handle, a guide tube, an annular groove, an expansion air bag, a connecting tube, a crushing disc, an inflation tube, a miniature air pump and an air release valve. In an initial state, the outer diameter of the expansion air bag is equal to or smaller than that of the guide tube, and the miniature air pump inflates the expansion air bag during calculus extraction, and the inner wall of the urethra is supported and expanded through the expansion air bag. The calculus is taken out in a gradual guiding manner by expanding the air bag, so that the pain of a patient can be obviously relieved, and the damage to the urethral wall is avoided.

Description

technical field [0001] The invention relates to the field of medical technology, in particular to a guided urethral stone remover. Background technique [0002] The urethral calculi remover of the prior art lacks a protection mechanism for the inner wall of the urethra, and is easy to damage the urethra. For example, when removing a calculus, it is necessary to use claws to grab the calculus, and then remove the calculus by hard pulling after the calculus is obtained. Patients will feel a lot of pain during and after stone extraction, so this method needs to be improved. Contents of the invention [0003] In order to solve the problems in the prior art, the present invention provides a guided urethral stone remover. [0004] For realizing the above object, technical scheme of the present invention is: [0005] A guided urethral calculi remover, comprising a sleeve handle and a guide tube for penetrating the urethra, the lower end of the outer wall surface of the guide tu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/22
CPCA61B17/22012
Inventor 石学乾宋继旭陈娜陆景慧
Owner QINGDAO HUANGDAO HOSPITAL OF TRADITIONAL CHINESE MEDICINE
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