Implantable mechanical system for assisting blood circulation

Details Implantable mechanical system for assisting blood circulation Implantable mechanical system for assisting blood circulation

1993-09-07

1995-10-10

Willse, David H.

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

Corporeal artificial heart, heart assist , control...

600 16, A61M 112

Patent

active

054567157

ABSTRACT:
Implantable mechanical system for assisting blood circulation using a blood circulation pump and wherein the system, being actuated by the power produced by the linear contraction of the skeletal muscle, comprises for its two-phase application: a combined prosthesis defining the bio-mechanical coupling between the skeletal muscle and the implantable mechanical system; a muscle action force multiplier transmitting force through a lever system driving compression plates of the blood chamber formed into the pump; the biomechanical coupling, the force multiplier and the lever system forming a functional unit interconnected by means of lead wires for transmiting movement; the system further comprising a device for measuring force and the displacement of the skeletal muscle driving the pump, during the electro-stimulation period through the system.

REFERENCES:
patent: 5318501 (1994-06-01), Lee et al.
patent: 5344385 (1994-09-01), Buck et al.
patent: 5397349 (1995-03-01), Kolff et al.
Kimoto et al., Trans. Amer. Soc. Artif., Int. Organs, vol. X, 1964, pp. 66-67.
Kusseron et al., Trans. Amer. Soc., Artif Int. Organs, vol. X, 1964, pp. 74-78.
Novoa et al., Trans. Am. Soc. Artif. Intern. Organs, vol. XXXV, 1989, pp. 408-411.
Ugolini, "Skeletal Muscle for Artificial Heart Drive: Theory and in Vivo Experiments" (In Chiu: Biomechanical Cardiac Assist), pp. 193-210 (1986).

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