Power supply for body implant and method of use

Details Power supply for body implant and method of use Power supply for body implant and method of use

1985-07-22

1987-05-19

Kamm, William E.

Surgery

Truss

Perineal

128419PS, 128419F, A61F 124

Patent

active

046658963

ABSTRACT:
An implanted blood pump system is described wherein power for driving the pump is provided by a transcutaneous transformer having an external primary winding and an implanted secondary winding. Control of the driving voltage to the pump is provided by an implanted shunt regulator. Voltage applied to the primary winding is controlled in accordance with the power factor sensed in the primary winding.

REFERENCES:
patent: 3195540 (1965-07-01), Walker
patent: 3942535 (1976-03-01), Schulmon
patent: 4143661 (1979-03-01), LaForge et al.
patent: 4275739 (1981-06-01), Fischell
patent: 4384829 (1983-05-01), Conley et al.
patent: 4457673 (1984-07-01), Conley et al.
patent: 4548208 (1983-10-01), Niemi
Donaldson, "Medical and Biological Engineering and Computing" vol. 23, No. 3, May 1985, p. 291.
Schuder, J. C., and Stephenson, H. E., "Energy Transport to a Cell which Circumscribes a Ferrite Core that is Implanted Within the Body", Dept. of Surgery, University of Missouri, Columbia, MO 1964.
Bruesdchke, E. E., Uretz, E. F., & Hauser, R. G., "Test and Evaluation of Transformer Study", I.I.T. Research Inst., NO1-9-2125-3, Jan. 1975.

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