Electrocardiographic waveform detection system

Details Electrocardiographic waveform detection system Electrocardiographic waveform detection system

1997-05-05

1998-09-08

Kamm, William E.

Surgery

Diagnostic testing

Structure of body-contacting electrode or electrode inserted...

600513, A61B 504

Patent

active

058039112

ABSTRACT:
A system for reliably and accurately measuring the electrocardiographic waveform generated by a subject's cardiac muscle includes electrocardio electrodes that have multiple openings on their surfaces, a body contact determination circuit for determining if a subject is in physical contact with the electrocardio electrodes, a blow control circuit for causing air to flow out of the multiple openings of the electrocardio electrode when the subject is not in physical contact with the electrocardio electrodes and a suction control circuit for causing air to be sucked through the multiple openings of the electrocardio electrodes when the subject is in physical contact with the electrocardio electrodes. In a preferred embodiment, a pulse wave propagation velocity determining circuit is used to determine the propagation velocity of a subject's pulse wave.

REFERENCES:
patent: 3568663 (1971-03-01), Phipps
patent: 4248243 (1981-02-01), Niess et al.
patent: 4771784 (1988-09-01), Kozin et al.

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