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External cardiac compression type heart assisting device

A heart-assisted, compression-type technology, applied in the field of medical devices, can solve problems such as thoracotomy, inability to assist diastole, device implantation, etc., to avoid thoracotomy and improve ventricular pumping efficiency.

Pending Publication Date: 2022-02-08
FUWAI HOSPITAL CHINESE ACADEMY OF MEDICAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current ventricular assist device mainly solves systolic insufficiency, that is, it mainly provides auxiliary compression during the ventricular systole phase, but cannot assist diastole during the diastole phase.
[0007] 2. None of the traditional devices are implanted in a minimally invasive way, requiring open chest surgery, and most of the traditional devices require the device to be sutured to the heart or pericardium

Method used

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  • External cardiac compression type heart assisting device
  • External cardiac compression type heart assisting device
  • External cardiac compression type heart assisting device

Examples

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Embodiment Construction

[0025] Embodiments of the present invention will be described below based on the drawings.

[0026] Such as Figure 1~3 As shown, the extraventricular depressive heart assist device of the present invention is composed of a flexible airbag, an airway catheter, a gas pressure pump and a pressure controller, wherein the flexible airbag includes a plurality of airbags 1 arranged along the circumferential direction and is made of elastic memory alloy The telescopic metal bracket 2 is formed, and the metal bracket 2 is arranged on the outer edge of a plurality of airbags 1 to form a metal mesh structure. A plurality of airbags are connected to a pressure controller and a gas pressure pump through one or more airway conduits, and the pressure controller controls the gas pressure supplied to the flexible airbag by the gas pressure pump.

[0027] In the extra-ventricular depressing heart assist device of the present invention, the pressure controller includes a pressure sensor and a ...

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Abstract

The invention discloses an external cardiac compression type heart assisting device which is composed of a flexible air bag, an air channel catheter, an air pressure pump and a pressure controller, the flexible air bag comprises a plurality of air bags arranged in the circumferential direction and a telescopic metal support made of elastic memory alloy, the metal support is arranged on the outer edges of the air bags, the multiple air bags are connected with the pressure controller and the air pressure pump through the air channel catheter, and the pressure controller controls the pressure of air supplied to the flexible air bags by the air pressure pump. The external cardiac compression type heart assisting device can assist the ventricle in the contraction stage and the diastole stage, the device can be implanted in a minimally invasive mode, and thoracotomy is not needed.

Description

technical field [0001] The invention relates to an extra-ventricular depressive heart assist device, which belongs to the technical field of medical instruments. Background technique [0002] Heart failure is a serious stage in the development of heart disease, which endangers the lives of patients and is a major public health problem in both developed and developing countries. At present, the main treatment methods for severe heart failure are drug therapy, heart transplantation and heart assist device. Drug therapy has limited effects and is mostly used to relieve symptoms, but cannot cure it. Heart transplantation is the most effective treatment for heart failure, but it is limited by problems such as insufficient donors and matching. With the development of technology in recent years, cardiac assist devices have played an increasingly important role in the treatment of heart failure. A heart assist device is an artificial device designed to assist the heart in pumping ...

Claims

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Application Information

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IPC IPC(8): A61M60/191A61M60/295A61M60/289A61M60/468A61M60/497A61M60/569
CPCA61M2205/07A61M2205/3331
Inventor 胡盛寿柳光茂张云鹏
Owner FUWAI HOSPITAL CHINESE ACADEMY OF MEDICAL SCI
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