Optical power modulation vital sign detection method and...

Details Optical power modulation vital sign detection method and... Optical power modulation vital sign detection method and...

2007-11-21

2010-10-26

Healy, Brian M (Department: 2883)

Optical waveguides

Optical waveguide sensor

C385S001000, C385S013000, C385S088000, C600S301000

Reexamination Certificate

active

07822299

ABSTRACT:
A vital sign measurement device includes a sensor fixation device, a sensor frame held by the sensor fixation device, an optical sensing system104held by the sensor frame, and an output unit. The sensor fixation device is adapted to be placed against an anatomical location of a subject, within which is an artery. The optical sensing system104includes an optical waveguide, an optical source device to supply optical energy to the optical waveguide, and an optical detector to detect an amount of optical energy exiting the optical waveguide. The optical sensing system104is adapted to sense an arterial pulse from the compression or flexing of at least a portion of the optical waveguide resulting in reduction of the amount of light exiting the optical waveguide. The output unit is configured to receive a signal indicative of the amount of light exiting the optical waveguide and to generate a measure of the vital sign based at least in part on the received signal.

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