Photoelectric sphygmomanometer of volume oscillometric method-ty

Details Photoelectric sphygmomanometer of volume oscillometric method-ty Photoelectric sphygmomanometer of volume oscillometric method-ty

1990-10-30

1992-12-22

Cohen, Lee S.

Surgery

Truss

Pad

128667, 128672, 128677, 128687, A61B 502

Patent

active

051726963

ABSTRACT:
A photoelectric sphygmomanometer of volume oscillometric method-type is provided with regulating means for regulating quantity of light, carrier-wave gain and pulsation gain based upon the level of the carrier wave immediately after the start of cuff depressurization. This makes it possible to perform regulation after the start of depressurization and to eliminate an inability to take a measurement due to a fluctuation in the level of light received.

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patent: 4824242 (1989-04-01), Frick et al.
patent: 4844084 (1989-07-01), Yamasawa
patent: 4846189 (1989-07-01), Sun
patent: 4862895 (1989-09-01), Yamasawa et al.
patent: 4907594 (1990-03-01), Muz
patent: 4944304 (1990-07-01), Nishina

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