Bipolar sensing system

Details Bipolar sensing system Bipolar sensing system

1983-01-17

1985-04-30

Kamm, William E.

Surgery

Truss

Pad

128419PG, 330149, A61B 504

Patent

active

045137528

ABSTRACT:
The present invention is a sensing amplifier circuit for a tissue stimulator (72) for supplying or attenuating far field signal voltage artifacts comprising a full differential amplifier having a first (94, 136) and second (96, 142) stage amplifiers for respectively receiving a second and first signal voltage output from a sensing mean (80, 82), and a switch means for controlling an input of the second signal voltage output from said sensing means to the first stage amplifier (94, 136).

REFERENCES:
patent: 4152659 (1979-05-01), Gordon
patent: 4184487 (1983-01-01), Peyer
patent: 4379459 (1983-04-01), Stein
Kenedy et al., "Electrocardiograph R-Wave Detector" IBM Technical Disclosure Bulletin, vol. 19, No. 3, Aug. 1976, pp. 763-764.
Duffin, Jr. et al., "A 24-Channel Electrocardiographic PreAmplifier" Proc. 23rd ACEMB, Nov. 15-19, 1970, p. 193.
Plumb et al., "A Noise Suppressor for Neurophysiological Recording of Impulse Activity" IEEE Trans. Bio-Med. Eng., Oct. 1964, vol. 11, No. 4, pp. 157-159.

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