Pump for an artificial heart

Details Pump for an artificial heart Pump for an artificial heart

1976-12-13

1978-05-30

Frinks, Ronald L.

Surgery

Truss

Pad

128 1D, 417375, 417394, 417478, A61F 124, A61M 103

Patent

active

040914712

ABSTRACT:
A housing of a pump for an artificial heart comprises central, polar regions of rigid material where a rotatable connector for control and/or power supply conduits is located. An equatorial, peripheral region is made of flexible material. Connectors for inlet and outlet conduits are tangentially mounted to the equatorial region. A flat, torus shaped bellows of elastic material is positioned between two oppositely driven, spring loaded pressure plates and encloses the pump volume. An electromechanical displacement transducer provides signals proportional to the stroke of the pump. The pump may be operated by a liquid or gaseous pressure medium and its shape and structure are well adapted for implantation into a living organism, especially the human body.

REFERENCES:
patent: 3579644 (1971-05-01), Esmond
patent: 3814547 (1974-06-01), Kitrilakis et al.
patent: 3916449 (1975-11-01), Davis
patent: 3919722 (1975-11-01), Harmison
"Solenoid Design for a Prosthetic Heart" by D. Freebairn et al., Transactions Amer. Soc. Artificial Internal Organs, vol. X, 1964 pp. 166-170.
"A New Type of Diaphragm Blood Pump" by A. Hawrylenko et al., Medical & Biological Engineering, vol. 5, No. 6, Nov. 1967, pp. 555-559.

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