Heart pacemaker with improved detection of electrical signals
US5683425A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 12, 1995 |
| Grant date | Nov 4, 1997 |
| Priority date | — |
| Expiry date | Dec 12, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S128/901
- WIPO fieldMedical technology
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.