Lithangiuria removing device and lithangiuria removing system

A technology of urinary calculus and loading cavity, which is applied in the field of medical devices, can solve the problems of slow efficiency, reduce the number of times of stone removal, avoid the falling of crushed stone fragments, and improve the efficiency of stone removal

Pending Publication Date: 2020-10-13
ANKON MEDICAL TECH SHANGHAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, the set of stone baskets can only take out about a small piece of gravel each time, which requires repeated stone removal, and the efficiency is slow, which increases the probability of the above problems.

Method used

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  • Lithangiuria removing device and lithangiuria removing system
  • Lithangiuria removing device and lithangiuria removing system
  • Lithangiuria removing device and lithangiuria removing system

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Embodiment Construction

[0036] In order to further illustrate the technical means and effects adopted by the present invention to achieve the intended purpose of the invention, the present invention will be described in detail below in conjunction with the examples. It should be understood that the following examples are only used to illustrate the present invention, not to limit the present invention.

[0037] The urinary stone removal device and the urinary stone removal system of the present invention need to be combined with magnetic fluid technology. In the stone extraction system provided by the present invention, in the process of taking out stones, the ferrofluid needs to be injected into the stone site through the mirror channel of the endoscope, soaked, so that the ferrofluid group and the stones are chelated or adsorbed and wrapped around the stones . Then, under the action of the magnetic field attraction of the device for removing stones from the urinary tract of the present application...

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Abstract

According to the lithangiuria removing device, aiming at lithangiuria wrapped and combined by magnetic fluid; broken stone wrapped or adsorbed by the magnetic fluid is loaded into a loading cavity ofa lithangiuria removing assembly through the magnetic adsorption force of a driving magnet and a calculus removing magnet, and the lithangiuria removing device is not limited by the size of the brokenstone and the position of the broken stone. The loading cavity can load as many fine calculus fragments as possible, and relatively large calculus can be directly adsorbed by the calculus removing magnet and is sucked out of the body together with the calculus removing magnet, so that the calculus removing frequency is reduced, and the calculus removing efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and relates to a urinary stone removal device and a urinary stone removal system. Background technique [0002] Kidney and ureteral stones are the most common stones in the urinary system. The conventional treatment methods are mainly stone crushing and stone removal under the use of an endoscope. The common ones are ureteroscopic / flexible ureteroscopic lithotripsy (URL) and percutaneous nephrolithotomy (PCNL). This method usually uses a set of stone baskets to remove the broken stones. The stone basket is designed in the shape of a net bag, which is currently the most commonly used tool for blocking and removing stones. After crossing the top of the stone, it stretches out into a net shape. [0003] But, the set stone basket of this mesh structure has certain defectives. First of all, only larger crushed stones can be netted, and granular crushed stones smaller than the mesh cannot be ...

Claims

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Application Information

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IPC IPC(8): A61B17/221F16H1/14
CPCA61B17/221A61B2017/00398A61B2017/22038A61B2017/2212F16H1/14
Inventor 王开飞段晓东
Owner ANKON MEDICAL TECH SHANGHAI CO LTD
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