Quick-connect, totally implantable cardiac prosthesis with float

Details Quick-connect, totally implantable cardiac prosthesis with float Quick-connect, totally implantable cardiac prosthesis with float

1989-01-11

1992-08-04

Isabella, David

Prosthesis (i.e., artificial body members), parts thereof, or ai

Corporeal artificial heart, heart assist , control...

600 16, A61M 110, A61N 1362

Patent

active

051355396

ABSTRACT:
This invention relates to an implantable cardiac prosthesis constituted by a quick-connect, one-piece module comprising two ventricular chambers, rendered biocompatible, independent and activated separately, each being provided with two orifices provided with valves, one of the orifices serving for ejection and the other for inlet of the blood, and with a separate activation and regulation device constituted by an electro-mechanical member actuating a pair of membranes, characterized in that the first membrane is a mechanical membrane actuated by a piston or a transmission fluid pressurized by means of said electro-mechanical member, and the second membrane, in contact with the blood, is a floating biocompatible membrane, moving under the action of the first membrane between the diastole and systole positions and under the pressure of the blood between the systole and diastole positions.

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T. Tanaka et al., "Factors Affecting Left-Right Heart Output Differences In Artificial Heart Implanted Animals", 1985, 31 Trans. Am. Soc. Artif. Intern. Organs pp. 211-215.
R. L. Whalen et al., "Volume Compensation For Pulsatile Blood Pumps"; 27 Trans. Am. Soc. Artif. Intern. Organs pp. 110-115; 1981.

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