Douglas G Allor

US Patent:

44782233, Oct 23, 1984

Filed:

Dec 6, 1982

Appl. No.:

6/447155

Inventors:

Douglas R. Allor - Detroit MI

International Classification:

G06K 1520

US Classification:

128699

Abstract:

This invention relates to a system for the clinical measurement of the electrical potential of a biological system using non-invasive monitoring equipment.

US Patent:

42613698, Apr 14, 1981

Filed:

Feb 14, 1979

Appl. No.:

6/012071

Inventors:

Douglas R. Allor - Grosse Pointe Park MI

International Classification:

A61B 504

US Classification:

128696

Abstract:

A non-invasive technique for monitoring the atrioventricular His bundle electrocardiogram and recording the same on a strip chart recorder in parallel real time with a conventional surface ECG signal. The preferred embodiment of the His bundle circuitry includes separately adjustable highpass and lowpass filters in the frequency range of 30 to 600 Hz, and a variable gain amplifier for in situ empirical adjustment to patient and environmental conditions.