Pressure and heart movement sensor for heart stimulators

Details Pressure and heart movement sensor for heart stimulators Pressure and heart movement sensor for heart stimulators

1994-07-07

1996-05-07

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical energy applicator

128675, A61N 105

Patent

active

055141714

ABSTRACT:
A pressure and heart movement sensor for a heart stimulator, includes an electrode system for implantation with an electrode cable containing at least two electrical conductors leading to electrode poles. A measurement device is arranged to measure an electrical quantity between the electrical conductors, which quantity varying according to the pressure applied to the electrode cable. Alternately, the electrode cable contains at least one electrical conductor, and the measurement device is arranged to measure the impedance between the conductor and ambient medium and to deliver an output signal, which varies according to the impedance measured, when the electrode cable is subjected to pressure.

REFERENCES:
patent: 4140132 (1979-02-01), Dahl
patent: 4566456 (1986-01-01), Koning et al.
patent: 4784151 (1988-11-01), Frank et al.
patent: 4791931 (1988-12-01), Slate
patent: 4924872 (1990-05-01), Frank
patent: 5129394 (1992-07-01), Mehra
patent: 5353800 (1994-10-01), Pohndorf et al.

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