Single-window guided valve constriction system

A valve and single-window technology, applied in the field of medical devices, can solve problems such as inability to reduce the volume of the left ventricle and unsatisfactory treatment effects

Pending Publication Date: 2020-07-07
HANGZHOU VALGEN MEDTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the prior art, in patients with functional mitral valve regurgitation and heart failure accompanied by dilated left ventricle, the

Method used

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  • Single-window guided valve constriction system
  • Single-window guided valve constriction system
  • Single-window guided valve constriction system

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Embodiment Construction

[0040] 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.

[0041] In order to more clearly describe the structure of the single-window-guided valve constriction system, the terms "proximal end" and "distal end" are defined here as commonly used terms in the field of interventional medicine. Specifically, "distal end" means the end far away from the operator during the surgical operation, and "near end" means the end close to the operator during the surgical operation.

[0042] see figure 2 with Figure 5 , the first embodiment of the present invention provides a single-window-guided valve constriction system 10, including a catheter positioning device 200, a deliv...

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Abstract

The invention provides a single-window guided valve constriction system. The system comprises a catheter positioning device, a conveying device, an anchoring device and a tightening line, wherein theanchoring device comprises a plurality of anchoring parts; the catheter positioning device comprises a positioning tube, a window communicated with an inner cavity of the positioning tube is formed inthe side wall of the far end of the positioning tube, and the positioning tube moves to enable the window to face different positions of a targeting part; the conveying device conveys the plurality of anchoring parts to the different positions of the targeting part through the windows along the positioning tube; the anchoring device is used for sequentially fixing the anchoring parts penetratingthrough the window at the different positions of the targeting part; and the tightening line is used for serially connecting and tightening the plurality of anchoring parts fixed at the different positions of the targeting part, so that the perimeter of the targeting part is reduced. According to the single-window-guided valve contracting ring system, the positioning pipe moves to enable the window to face the different positions of the targeting part, then the anchoring parts are fixed to the different positions of the targeting part, then the targeting part is tightened through the tightening line, and therefore the effect of shortening the perimeter of the targeting part is achieved.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to a single-window-guided valve shrinkage ring system. Background technique [0002] Such as figure 1 As shown, the human heart is composed of the left ventricle (RV) and the right atrium (RA), and the left ventricle includes the left ventricle (LV) and the left atrium (LA). The mitral valve is a "one-way valve" between the left atrium and left ventricle, consisting of the annulus (MVA), anterior leaflet (AML), posterior leaflet (PML), chordae (CT) and papillary muscle (PM). The annulus is between the left atrium and the left ventricle. The anterior leaflet and the posterior leaflet are connected to the annulus. There are multiple chordae (CT) on the two leaflets, and the other end of the chordae is connected to the papillary muscle. During the beating process of the heart, the anterior and posterior leaflets of the normal mitral valve are in open and closed cyclical motions, thereb...

Claims

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Application Information

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IPC IPC(8): A61F2/24
CPCA61F2/2442A61F2/2466
Inventor 张庭超郭荣辉
Owner HANGZHOU VALGEN MEDTECH CO LTD
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