Electrochemical sensor for in-vivo or ex-vivio measurements...

Details Electrochemical sensor for in-vivo or ex-vivio measurements... Electrochemical sensor for in-vivo or ex-vivio measurements...

2005-07-18

2010-11-02

Mallari, Patricia C (Department: 3735)

Surgery

Diagnostic testing

Measuring or detecting nonradioactive constituent of body...

C600S345000, C600S348000, C600S364000

Reexamination Certificate

active

07826880

ABSTRACT:
A physiological sensing device for the measurement of pCO2 includes a closed chamber bounded, at least partially, by a carbon dioxide permeate e membrane (12). There are two electrodes (10) within the chamber. The chamber contains a substantially electrolyte-free liquid in contact with electrodes (10) and the membrane (12). The liquid contains a non-ionic excipient in order to prevent egress of water due to an osmotic gradient across the membrane (12) in use.

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