Transcutaneous energy transfer device

Details Transcutaneous energy transfer device Transcutaneous energy transfer device

1996-07-24

1998-05-26

Getzow, Scott M.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

A61N 102

Patent

active

057557489

ABSTRACT:
In the design of transcutaneous energy transfer devices variation in spacing between the coils results in energy transfer efficiency changes. These changes may have other causes. It is proposed to use an autotuning circuit and a voltage control circuit in cooperation with feedback from the internal coil in order to better maintain energy transfer levels as desirable. The feedback is typically provided via IR communication; however, when skin is highly pigmented, IR communication is inefficient. A method and system for using RF signals to accomplish the communication is disclosed.

REFERENCES:
patent: 3942535 (1976-03-01), Schulman
patent: 4187854 (1980-02-01), Hepp et al.
patent: 5350413 (1994-09-01), Miller

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