Measuring system for vital muscle activity

Details Measuring system for vital muscle activity Measuring system for vital muscle activity

1993-04-29

1994-10-25

Pellegrino, Stephen C.

Surgery

Truss

Pad

A61B 504

Patent

active

053579739

ABSTRACT:
A measurement device which can easily measure and analyze the activity of the muscles of the living organism, for instance, measure the strength of occlusion of the masticatory muscles and duration thereof. The vital muscle activity measurement device comprises an amplifier means brought in contact with the muscles of a subject for detecting and amplifying a muscle current, an envelope forming means for forming an envelope waveform of the output of the amplifier means, and a timer means for determining the time for which the level of the envelope waveform obtained by the envelope forming means exceeds a preset reference level.

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patent: 4355645 (1982-10-01), Mitani et al.
patent: 4603703 (1986-08-01), McGill et al.
patent: 4667513 (1987-05-01), Konno
patent: 4827934 (1989-05-01), Ekwall

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