Artificial valve leaflet device and use method thereof

A technology of artificial valves and valve leaflets, applied in the field of medical devices, can solve problems such as inconvenience, complex structure, and inability to solve reflux, and achieve the effect of improving heart function and stability

Pending Publication Date: 2021-07-23
QICHEN (SHANGHAI) MEDICAL EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this device cannot solve the reflux phenomenon caused by valvular insufficiency and calcification, and its structure is complicated, which causes inconvenience during use

Method used

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  • Artificial valve leaflet device and use method thereof
  • Artificial valve leaflet device and use method thereof
  • Artificial valve leaflet device and use method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as Figure 1 to Figure 4 As shown, the present embodiment provides an artificial leaflet device, including a stent 2, a leaflet 1, a suture film 3, a suture and an anchor 4, the leaflet 1 is sutured to one side of the stent 2 by a suture, The suturing membrane 3 is sutured on the support 2 with sutures to increase the contact area with the native valve annulus; the support 2 is anchored at the native valve annulus through anchors.

[0031] Specifically, the bracket 2 is an arch-shaped structure, which can reduce the shearing force and bending moment of the bracket 2 and improve the stability of the bracket 2 .

[0032] Wherein, the inner side of the stent 2 is connected to the valve leaflet 1, that is, it is arranged on the inner side of the arch-shaped structure; the outer side of the stent 2 is connected with several anchors 4, that is, it is arranged on the outer side of the arch-shaped structure; The outer side is evenly arranged, and the orientation of the an...

Embodiment 2

[0046] This embodiment provides an artificial leaflet device, which differs from Embodiment 1 in that:

[0047] The anchor in this embodiment can be a threaded anchor or a spacer anchor. Compared with Embodiment 1, the form of the barb-shaped anchor is not limited, and the threaded anchor can be anchored and released after implantation. Convenient; spacer anchor, the spacer can be placed outside the apex, the length of the drawstring can be adjusted to enhance the anchoring effect.

[0048] For other specific structures and usage methods, please refer to Embodiment 1.

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PUM

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Abstract

The invention belongs to the technical field of medical instruments, and particularly relates to an artificial valve leaflet device and a using method thereof. The related device comprises a stent, a valve leaflet, a suture membrane, a suture line and anchoring pieces. The valve leaflet is sewn to one side of the stent through the suture line, and the suture membrane is sewn to the stent through the suture line, so that the contact area with the primary valve ring is increased; and the stent is anchored at the primary valve ring through the anchoring pieces. Firm positioning is carried out through the anchoring pieces, the device is used for backflow caused by valve insufficiency and calcification, tissue damage is avoided, and the stability of the device is improved through the structural shape of the stent.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and in particular relates to an artificial valve leaflet device and a use method thereof. Background technique [0002] TMVR is emerging as a new option for the treatment of patients with severe MR who are at high or prohibitive surgical risk. Although the complexity of the prosthetic mitral valve device and the heterogeneity of the disease have brought many challenges to TMVR, the early treatment experience of more than 100 patients has proved the preliminary feasibility of TMVR. Currently, the effectiveness and safety of multiple TMVR mitral devices are being further evaluated through clinical trials. With the development of catheter technology and valve manufacturing process, more optimized TMVR mitral valve devices and clinical results are bound to emerge, bringing more optimized treatment options to patients. [0003] For example, the patent document with the application number CN2...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/24
CPCA61F2/24A61F2/2418A61F2/2442A61F2/2463A61F2/2466A61F2/2487A61F2220/0008A61F2220/0016
Inventor 张梅慧梁玉晨
Owner QICHEN (SHANGHAI) MEDICAL EQUIP CO LTD
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