Pulse wave detecting apparatus

Details Pulse wave detecting apparatus Pulse wave detecting apparatus

1990-05-31

1992-07-21

Howell, Kyle L.

Surgery

Truss

Pad

128690, 73727, A61B 502

Patent

active

051314002

ABSTRACT:
A pulse wave detecting apparatus for detecting a pulse wave produced from an arterial vessel in a body portion of a subject, including a semiconductor substrate having a press surface at which the semiconductor substrate is adapted to be pressed against the body portion, the semiconductor substrate having a recess in a surface thereof opposite to the press surface and thereby including a diaphragm portion having a thin wall, and a pressure sensing device provided on the diaphragm portion, for converting a pressure transmitted from the arterial vessel to the diaphragm portion, into an electric signal.

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