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Interventional valve delivery system

A delivery system and valve technology, applied in the field of medical devices, can solve the problems of control feel and accuracy reduction, and achieve the effect of scientific force and smooth operation

Active Publication Date: 2021-09-07
KINGSTRONBIOCHANGSHU CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of this application is to provide an interventional valve delivery system to solve the problem that the wheels of the delivery system have both rotational and axial movements in the prior art, resulting in reduced control feel and accuracy

Method used

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Embodiment Construction

[0062] In order to better understand the technical solutions of the present application, the embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.

[0063] It should be clear that the described embodiments are only some of the embodiments of the present application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0064] Terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the embodiments of this application and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise.

[0065] It should be understood that the term "and / ...

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Abstract

An interventional valve delivery system includes a handle assembly and a conduit. The handle assembly comprises a shell, a transmission mechanism and a rotating wheel, the transmission mechanism is arranged in the shell, and the pipeline is connected with the transmission mechanism. The shell is provided with an open part, the open angle of the open part in the circumferential direction of the shell is larger than 180 degrees, the rotating wheel is rotationally arranged in the open part, and the rotating wheel is in transmission connection with the transmission mechanism and used for driving the transmission mechanism to drive the pipeline to axially move so as to achieve retraction or release of the interventional valve. According to the invention, the open part is arranged, so that the rotating wheel can only rotate and does not axially move along with the transmission mechanism and the pipeline, and the influence on the pipeline adjusting precision due to the fact that the rotating wheel simultaneously has the rotating motion and the axial motion is avoided. Besides, a product axial stress release structure is designed on the single side of the open part of the shell, so that the handle assembly of the conveying system cannot bear axial force across the single side edge, the coaxiality of the conveying system cannot be affected, and operation is smoother.

Description

technical field [0001] The present application relates to the technical field of medical devices, in particular to an interventional valve delivery system. Background technique [0002] Interventional valve system is an emerging valve replacement device. With the continuous advancement of technology, there are more and more requirements for the rapid and accurate preparation of the product, the stability and reliability of the release and recovery of the product in the body, and the operational stability of the supporting delivery system. higher requirements. [0003] In terms of the design of the delivery system supporting the valve system, most of them are small-sized and semi-closed designs, which are often deficient in the accuracy, comfort and stability of the operator's operation. The more common structural design of the conveying system in the prior art includes an electric control handle and a movable large wheel mechanical control handle, both of which have some de...

Claims

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Application Information

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IPC IPC(8): A61F2/24
CPCA61F2/2466A61F2/2463
Inventor 张波徐中
Owner KINGSTRONBIOCHANGSHU CO LTD
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