Sensor in vivo measurement of osmotic changes

Details Sensor in vivo measurement of osmotic changes Sensor in vivo measurement of osmotic changes

2007-10-02

2007-10-02

Winakur, Eric (Department: 3768)

Surgery

Diagnostic testing

Measuring or detecting nonradioactive constituent of body...

Reexamination Certificate

active

10559323

ABSTRACT:
The present invention teaches a method, system and units for measuring changes in blood during a longer period of time in vivo with a patient by measuring diffusivity of solvent. A differential pressure sensor is arranged on a silicon wafer or beam comprising resistors being in communication with fluids in two chambers via semipermable membranes enabling measuring of two components in said blood by tracking changes over time.

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patent: 6546268 (2003-04-01), Ishikawa et al.
patent: WO 03/061475 (2003-07-01), None
patent: WO 2004/107972 (2004-12-01), None

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