Surgery – Diagnostic testing – Measuring or detecting nonradioactive constituent of body...
Reexamination Certificate
2007-01-16
2007-01-16
Winakur, Eric F. (Department: 3768)
Surgery
Diagnostic testing
Measuring or detecting nonradioactive constituent of body...
C600S344000, C600S499000
Reexamination Certificate
active
11157215
ABSTRACT:
An optical noninvasive vital sign monitor comprising a reflectance-type optical sensor within a pressurizable capsule retained by a headband, the capsule having an optically transparent or translucent inner wall adapted for placement against a subject's forehead. The optical sensor is mounted on the inside surface of the pressurizable capsule's inner wall, which contacts the subject's forehead during use, and includes a light source and a photodetector aimed toward the inside surface of the inner capsule wall. One embodiment of the vital sign monitor includes optical oscillometric circuit means responsive to an output signal from the optical sensor for determining systolic pressure, mean pressure and diastolic pressure during a transition in capsule pressure between a pressure greater than normal systolic pressure and a pressure less than normal diastolic pressure.
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Foster Kirk S.
Geddes Leslie A.
Graber George P.
Roeder Rebecca A.
Bahret William F.
Purdue Research Foundation
Winakur Eric F.
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