Biventricular circulatory assist system and method

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Corporeal artificial heart – heart assist – control...

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128 1D, 128DIG3, A61F 222

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046664432

ABSTRACT:
A biventricular circulatory support system for a human patient is described. A mechanical first pump for assuming at least a part of the pumping load of the patient's left ventricle is implanted in the patient. A second pump for assuming at least a part of the pumping load of the patient's right ventricle is also implanted. The second pump includes a surgically prepared skeletal muscle pedicle with nerves and blood supply substantially intact. The muscle pedicle is applied directly to the right ventrical or is applied to an artificial pump sac. Electrical signals are applied to the first and second pumps as appropriate to cause pumping action in a predetermined relationship.

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Davis C. Drinkwater, Jr., et al., "Cardiac Assist and Myocardial Repair with Synchronously Skeletal Muscle", 1980; pp. 271-274.
Michael L. Dewar, et al., "Synchronously Stimulated Skeletal Muscle Graft for Myocardial Repair", Mar. 1984; pp. 325-331.
Ian R. Neilson, et al., "Left Ventricular Assistance in Dogs Using a Skeletal Muscle Powered Device for Diastolic Augmentation", May 1985.
Adrian Kantrowitz, "Functioning Autogenous Muscle Used Experimentally as an Auxiliary Ventricle", pp. 305-307.
Bert K. Kusserow, et al., "A Small Ventricle-Type Pump for Prolonged Perfusions: Construction and Initial Studies, Including Attempts to Power a Pump Biologically with Skeletal Muscle", 1964, pp. 74-78.
Eisule Kusaba, et al., "A Diaphragmatic Graft for Augmenting Left Ventricular Function: A Feasibility Study", 1973, pp. 251-257.
John A. Macoviak, et al., "Replacement of Ventricular Myocardium with Diaphragmatic Skeletal Muscle", 1981, pp. 519-527.

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