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Shearing system and myocardial anchoring device

A cylinder and cutter technology, applied in the field of medical devices, can solve the problems of high cutting operation risk and large trauma, and achieve the effect of reducing surgical trauma, compact structure, and reducing surgical risk.

Active Publication Date: 2022-01-25
MICROPORT SINICA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, it is necessary to provide a shearing system and a myocardial anchoring device including the shearing system in view of the current problems of high risk and large trauma in the shearing operation

Method used

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  • Shearing system and myocardial anchoring device
  • Shearing system and myocardial anchoring device
  • Shearing system and myocardial anchoring device

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Embodiment Construction

[0031] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0032] In order to describe the structure of the above-mentioned cutting system more clearly, the present invention defines the terms "distal end" and "proximal end", and the above terms are commonly used terms in the field of medical devices. Specifically, "distal end" means the end away from the operator during the operation, and "near end" means the end close to the operator during the operation. figure 1 For example, figure 1 The right side is the distal...

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Abstract

The invention relates to a shearing system and a myocardial anchoring device. The shearing system is used for cutting medical wires used in surgery. The shearing system includes a housing, a knife and a driving assembly. The housing has a proximal end and a distal end opposite to the proximal end. The shell is formed with a hollow cavity at the far end, and the shell is provided with a through hole communicating with the hollow cavity in the axial direction, and the through hole is used for passing through the medical wire; the cutter can be movably arranged in the hollow cavity, And the movement track of the cutter in the hollow cavity intersects the axis of the through hole; the driving assembly is arranged at the proximal end of the housing and is used to drive the cutter to move in the hollow cavity, so that the cutter cuts the medical wire passing through the through hole. Since the knife is always in the hollow cavity of the casing during the whole cutting operation, the tissue damage due to the exposure of the knife can be avoided, and the structure of the cutting system is relatively compact, which effectively reduces surgical trauma and reduces surgical risks.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a shearing system and a myocardial anchoring device. Background technique [0002] Heart failure is the terminal stage of various cardiovascular diseases. Although the progress of drug therapy for heart failure in the past 20 years has significantly benefited patients with heart failure, greatly improved the survival rate and quality of life of patients, but patients with end-stage heart failure The death rate remains high. The pathophysiological basis of heart failure is cardiac remodeling. Cardiac remodeling is clinically manifested by progressive ventricular dilatation, impaired systolic and diastolic function, and is associated with progressive heart failure and increased mortality. Angiotensin-converting enzyme inhibitors (ACEI) / angiotensin II receptor antagonists, beta-blockers, aldosterone receptor antagonists, and cardiac resynchronization therapy (CRT) recommen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/32
CPCA61B17/32A61B17/00234A61B2017/00243
Inventor 汪振姚瑶李俊菲
Owner MICROPORT SINICA CO LTD
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