Multichannel electrical stimulator with improved channel isolati

Details Multichannel electrical stimulator with improved channel isolati Multichannel electrical stimulator with improved channel isolati

1988-02-16

1989-08-15

Jaworski, Francis

Surgery

Truss

Pad

A61N 104

Patent

active

048565253

ABSTRACT:
An electrical stimulator having a plurality of channels adapted to stimulate bodily tissue with an electrical current on each of the plurality of channels. First and second electrodes are coupled to each of the plurality of channels and adapted to be coupled to the bodily tissue for passing electrical current through the bodily tissue. A first current source and a second current source is supplied for each of the plurality of channels. The first current source being coupled to the first electrode and the second current source being coupled to the second electrode. First and second current sources operate in concert. The value of the current supplied being equal in magnitude and being oppositely oriented for each of the first and second current sources for each of the plurality of channels at any given instant of time. In one embodiment, one of the current sources for one of the electrodes in one of the plurality of channels may be eliminated.

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White et al, Study of Transdermal Electronics for an Auditory Prosthesis, 8th Quarterly Progress Report, Feb. 1, 1983 through Apr. 30, 1983, NIH Contract No. N01-NS-1-2354, Stanford Electronics Laboratory, Stanford University, Stanford, Calif., 94305.

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