Heart pacemaker with improved detection of electrical signals

Details Heart pacemaker with improved detection of electrical signals Heart pacemaker with improved detection of electrical signals

1995-12-12

1997-11-04

Jastrzab, Jeffrey R.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

128708, 128901, A61N 136

Patent

active

056834250

ABSTRACT:
A heart pacemaker with improved detection of electrical signals which are used for triggering pacemaker functions, has a detection circuit for registering intracardial heart signals in which certain noise signals having a generally chromatic spectrum are superimposed on the signals to be detected, the detection circuit undertaking an adaptive, non-linear noise filter of those intracardial heart signals for converting the spectrum of the noise signals into an essentially white spectrum. The signals filtered by the non-linear noise filtering are supplied to a matched filter wherein correlation of these signals with a sought signal pattern takes place.

REFERENCES:
patent: 4385634 (1983-05-01), Bowen
patent: 4616659 (1986-10-01), Prezas et al.
patent: 5010887 (1991-04-01), Thornander
patent: 5211179 (1993-05-01), Haberl et al.

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