Pulse wave sensor

Details Pulse wave sensor Pulse wave sensor

1994-09-19

1995-11-21

Sykes, Angela D.

Surgery

Truss

Pad

128687, 128690, A61B 500

Patent

active

054677718

ABSTRACT:
A pressure pulse wave sensor for detecting a pressure pulse wave produced from an arterial vessel of a living subject in synchronism with heartbeat of the subject, the sensor having a press surface adapted to be pressed on a body surface of the subject, a protruding portion protruding from the press surface and having a top surface, and at least one pressure sensing element provided in the top surface of the protruding portion, for detecting the pressure pulse wave produced from the arterial vessel, the top surface of the protruding portion being covered with a resilient protective layer, the pulse wave sensor further comprising a hard member which surrounds the protruding portion such that a top end of the hard member is substantially flush with the resilient protective layer covering the top surface of the protruding portion.

REFERENCES:
patent: 5101829 (1992-04-01), Fujikawa
patent: 5131400 (1992-07-01), Harada et al.
patent: 5179956 (1993-01-01), Harada et al.
patent: 5238000 (1993-08-01), Niwa
Polyurethanes--The Bridge between silicone rubber and plastics. no date available.

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