Surgery – Diagnostic testing – Cardiovascular
Reexamination Certificate
2006-12-22
2010-11-30
Mallari, Patricia C (Department: 3735)
Surgery
Diagnostic testing
Cardiovascular
C600S322000, C600S324000, C600S334000, C600S504000
Reexamination Certificate
active
07841985
ABSTRACT:
An inventive method and system are provided for identifying a compatible photoplethysmographic sensor when interconnected to a given photoplethysmographic monitor. The method and system may further provide for the identification of which of a plurality of compatible sensors is interconnected to allow for selective calibration of the photoplethysmographic monitor. In this regard, the system and method may entail provision of a predetermined drive or test signal to a light source and/or identification element (i.e., sensor elements) of a photoplethysmographic sensor, and the obtainment of a corresponding output signal for use in sensor identification. In one approach, an output signal is obtained from at least one of three sensor elements each of which is interconnected between a different pair of sensor terminals which is a unique combination of two of four sensor terminals on the sensor. In this regard, individual circuits may be formed through each sensor element allowing for enhanced flexibility in signal application.
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Datex-Ohmeda Inc.
Mallari Patricia C
Marsh & Fischmann & Breyfogle LLP
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