Pulse wave detecting apparatus having placement-condition detect

Surgery – Truss – Pad

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128687, 128688, A61B 502

Patent

active

049516795

ABSTRACT:
A pulse wave detecting apparatus having a housing which is placed on a body surface of a subject such that the housing is aligned with an artery of the subject via the body surface, a pulse wave sensor accommodated in the housing, the pulse wave sensor being pressed against the body surface for detecting pulse wave produced from the artery, and a pressing device supported by the housing, the pressing means pressing the pulse wave sensor against the body surface with an optimum pressing force, the optimum pressing force being determined based on pulse wave signal produced by the pulse wave sensor while the pressing force of the pressing means is varied, the apparatus including a detecting device for detecting whether or not the housing has been placed on the body surface of the subject.

REFERENCES:
patent: 4129124 (1978-12-01), Thalman
patent: 4294263 (1981-10-01), Hochman
patent: 4295475 (1981-10-01), Torzala
patent: 4307727 (1981-12-01), Haynes
patent: 4331161 (1982-05-01), Patel
patent: 4660566 (1987-04-01), Palti
Laid-Open Publication 63-201510.

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