G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 33/49 (2006.01) A61B 5/00 (2006.01)
Patent
CA 2573710
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.
L'invention concerne un dispositif de détection physiologique permettant de mesurer la pCO2. Ce dispositif comprend une chambre fermée, délimitée au moins partiellement par une membrane (12) perméable au dioxyde de carbone. Deux électrodes (10) sont disposées à l'intérieur de la chambre. Ladite chambre contient un liquide sensiblement exempt d'électrolyte en contact avec les électrodes (10) et la membrane (12). Ce liquide contient un excipient non ionique destiné à empêcher l'évacuation d'eau liée à un gradient osmotique à travers la membrane (12), en fonctionnement.
Mirtaheri Peyman
Omtveit Tore
Alertis Medical As
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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