Power supply for body implant and method for operation

Details Power supply for body implant and method for operation Power supply for body implant and method for operation

1977-12-12

1979-03-13

Kamm, Wm. E.

Surgery

Truss

Pad

3 17, 128 1D, 128 21A, 128419PS, A61N 100

Patent

active

041436610

ABSTRACT:
A power supply system to operate an implanted electric-powered device such as a blood pump. A secondary coil having a biocompatible covering is implanted to subcutaneously encircle either the abdomen or the thigh at a location close to the exterior skin. The secondary coil is electrically interconnected with an implanted storage battery and the blood pump. A primary coil of overlapping width is worn by the patient at a location radially outward of the secondary coil. An external battery plus an inverter circuit in a pack is attached to a belt having a detachable buckle connector which is conventionally worn about the waist. Efficient magnetic coupling is achieved through the use of two air-core windings of relatively large diameter.

REFERENCES:
patent: 3824129 (1974-07-01), Fagan, Jr.
patent: 3942535 (1976-03-01), Schulman
Senning, "Journal of Thoracic & Cardiovascular Surgery", vol. 38, No. 5, Nov. 1959, p. 639.

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