System for detection of electrical bioimpedance signals

Details System for detection of electrical bioimpedance signals System for detection of electrical bioimpedance signals

1995-07-05

1996-06-25

Sykes, Angela D.

Surgery

Truss

Pad

128734, A61B 502

Patent

active

055290728

ABSTRACT:
A system and method for detection of electrical bioimpedance signals in a human or animal body segment. The system comprises a constant current generator for generating a periodic high frequency current output across a body segment in response to a periodic control input signal, a controller for generating a periodic control output signal to control operation of the current generator and an electrical bioimpedance detector for detecting a voltage generated across the body segment by the flow of current in the segment. The electrical bioimpedance detector generates an output signal indicative of bioimpedance in the body segment. The periodic generation of a current across a body segment alleviates the potentially detrimental effects of a continuous current on body segment tissue and reduces interference with the function of certain pacemakers.

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patent: 5385576 (1995-01-01), Noren et al.
patent: 5423326 (1995-06-01), Wang et al.

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