Auxiliary occlusion device used for aortic valve insufficiency

A technology of blocking device and insufficiency, which is applied in the field of medical equipment to achieve the effect of avoiding backflow

Pending Publication Date: 2020-06-09
HANGZHOU WEIQIANG MEDICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although percutaneous aortic valve replacement has shown great promise, challenges remain in terms of delivery technique, paravalvular leak, and valve durability

Method used

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  • Auxiliary occlusion device used for aortic valve insufficiency
  • Auxiliary occlusion device used for aortic valve insufficiency
  • Auxiliary occlusion device used for aortic valve insufficiency

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Embodiment Construction

[0058] The following description is a preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications are also considered Be the protection scope of the present invention.

[0059] In the description of the present invention, the "proximal end" in the present invention refers to the end close to the left ventricle of the heart, and the "distal end" refers to the end far away from the left ventricle of the heart. The axial direction refers to the direction of the central axis of the auxiliary blocking device, and the radial direction refers to the direction perpendicular to the central axis. This definition is only for the convenience of expression and cannot be understood as a limitation of the present invention.

[0060] see figure 1 The first embodiment of the present inventio...

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Abstract

The invention provides an auxiliary occlusion device used for aortic valve insufficiency. The auxiliary occlusion device comprises a positioning mechanism and an auxiliary occlusion piece arranged atthe near end of the positioning mechanism; the positioning mechanism is fixed in an aorta in a released state, so that the auxiliary occlusion piece is located between aortic valves. The auxiliary occlusion device provided by the invention can assist the aortic valves in occluding pores between the aorta and a left ventricle in the case of the aortic valve insufficiency so as to reduce or avoid that blood flows back through the aortic valves, and when ventricles contract, the auxiliary occlusion device cannot block flowing of the blood in the aorta.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to an auxiliary occlusion device for aortic valve insufficiency. Background technique [0002] Aortic regurgitation into the left ventricle due to aortic valve insufficiency is a serious health problem affecting millions of adults. The aortic valve is located on the left side of the heart, between the left ventricle and the aorta. A healthy aortic valve opens during ventricular contraction to allow blood to flow from the left ventricle into the aorta; the aortic valve closes during ventricular diastole to prevent backflow of blood from the aorta into the left ventricle. However, when the geometric configuration of the aortic annulus changes, the functionality of the aortic valve may be affected, so that the aortic valve may not be able to fully close during ventricular diastole, resulting in regurgitation. [0003] Currently, for patients with aortic valve insufficiency, open-heart ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/00
CPCA61B17/0057A61B2017/00592A61B2017/00597A61B2017/00615A61B2017/00672
Inventor 王永胜訾振军尚里曼李安伟
Owner HANGZHOU WEIQIANG MEDICAL TECH CO LTD
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