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Clamping instrument

A device and clamping gap technology, applied in the direction of heart valves, valve rings, etc., can solve the problems of patients' intolerance, thoracotomy invasiveness, high complication rate and infection risk, and achieve good clamping effect , Improve the effect of capture success rate

Pending Publication Date: 2021-10-01
SHANGHAI HUIHE MEDICAL CO LTD +1
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  • Abstract
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  • Claims
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Problems solved by technology

Among the surgical methods, the typical thoracotomy is highly invasive and requires the establishment of extracorporeal circulation, which has a high incidence of complications and risk of infection. As a result, many patients cannot bear the huge surgical risk and can only wait for death helplessly.
[0005] At present, there are few minimally invasive transcatheter products approved in China for the treatment of secondary and tricuspid regurgitation. These products need to change the structure of the heart during the healing process. Brings a lot of pressure and incompatibility to cardiac surgery

Method used

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Embodiment Construction

[0063] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present application, the following will clearly and completely describe the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the embodiments of the present application shall fall within the protection scope of the embodiments of the present application.

[0064] The specific implementation of the embodiment of the present application will be further described below in conjunction with the accompanying drawings of the embodiment of the present application.

[0065] The clipping device 10 of this embodiment can be used as an edge-to-edge repair i...

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Abstract

The invention provides a clamping instrument which mainly comprises a base, at least two clamping structures distributed on the base in the circumferential direction and at least two abutting structures correspondingly arranged on the sides, close to the base, of the clamping structures. when the clamping structures are in the locking state, the abutting structures clamped between the base and the clamping structures can apply abutting force to the clamping structures so as to adjust the clamping gaps corresponding to the clamping structures. Therefore, the clamping device can provide stable and continuous clamping force.

Description

technical field [0001] The embodiments of the present application relate to the technical field of medical devices, in particular to a clamping device. Background technique [0002] Mitral valve, tricuspid valve, aortic valve, pulmonary valve and other common diseases are valvular insufficiency. Taking the mitral valve as an example, during systole, part of the blood of the left ventricle flows to the left atrium through the insufficient mitral valve orifice. reflux. The left atrium receives blood from the left ventricular regurgitation and blood from the pulmonary vein at the same time, and the blood volume and pressure of the left atrium increase significantly, resulting in left atrial hypertrophy. [0003] During the diastolic period, more blood flows from the left atrium to the left ventricle, causing the left ventricle to hypertrophy due to the strengthening of contraction. After the compensation period progresses to the decompensation period, heart failure occurs in b...

Claims

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Application Information

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IPC IPC(8): A61F2/24
CPCA61F2/2445A61F2/246A61F2/2463
Inventor 王宝徐军林林
Owner SHANGHAI HUIHE MEDICAL CO LTD
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