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Volume-adjustable auxiliary equipment directly connected with ventricles

A ventricular assist device and a ventricular assist technology, applied in the field of medical devices, can solve problems such as side effects, large impact force, and excessive cardiac extrusion, and achieve the effects of high reliability, simple structure, and easy fabrication and realization.

Active Publication Date: 2012-08-15
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the impact force of the gas or liquid pump is very large, and it is easy to squeeze the heart directly and cause side effects

Method used

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  • Volume-adjustable auxiliary equipment directly connected with ventricles
  • Volume-adjustable auxiliary equipment directly connected with ventricles
  • Volume-adjustable auxiliary equipment directly connected with ventricles

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Embodiment Construction

[0021] The idea, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of the present invention.

[0022] see Figure 1-Figure 5 , the volume-adjustable direct ventricular assist device of the present invention is made up of the following parts: non-elastic shell 6, ventricular assist film 2, adjustable lining film 1, heart protection cover 3, air bag connector 8, sealing metal block 7, lower sealing circle Ring 5, upper sealing ring 4, eight screws 12 and three screws 10.

[0023] Wherein, the screw 12 is a cross countersunk screw M3x12 made of stainless steel; the screw 10 is a cross countersunk screw M3x8 made of stainless steel. The air bag connector 8, the sealing metal block 7, the upper sealing ring 4 and the lower sealing ring 5 are all made of stainless steel. The heart protection cover 3 is made of Ti-5A1-2.5Sn (TA7)...

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PUM

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Abstract

The invention discloses volume-adjustable auxiliary equipment directly connected with ventricles. The volume-adjustable auxiliary equipment comprises an inelastic shell, a ventricular auxiliary film, an adjustable lining film, a heart protection cover, an air sac joint, a sealing metal block, an upper sealing ring, a lower sealing ring and a plurality of screws. The volume-adjustable auxiliary equipment disclosed by the invention can be self-adaptive to hearts with different sizes, the severe impact of a gas pump can be transferred to the heart to be aided through the buffer of an adjustable chamber, and only the left and right ventricles are squeezed, thereby protecting the apex and other parts easy to be damaged. Compared with the prior art, the volume-adjustable auxiliary equipment is simple and reliable in integral design structure.

Description

technical field [0001] The invention relates to a medical device, in particular to a direct ventricular assisting device adaptable to hearts of different sizes for auxiliary treatment of heart failure. Background technique [0002] Due to insufficient donor hearts, many end-stage heart disease patients cannot receive heart transplants, resulting in a large number of deaths every year. At present, the artificial heart is used as a transitional bridge for heart transplantation and a permanent treatment for heart failure. Various research institutions at home and abroad have made important progress, especially the direct ventricular assist device. The auxiliary film wrapped on the outer surface of the heart directly squeezes the failing heart to Auxiliary blood ejection, thus solving the problem of many complications caused by direct contact between equipment and blood. In order to achieve a better effect of assisting the heart to eject blood, an auxiliary device that can adap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M1/10
Inventor 杨明廖火根邬顺捷鹿存跃
Owner SHANGHAI JIAO TONG UNIV
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