Respiratory nitric oxide meter

A - Human Necessities – 61 – B

Patent

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Details

A61B 5/08 (2006.01) A61B 5/00 (2006.01) A61B 5/044 (2006.01) A61B 5/053 (2006.01) A61B 5/083 (2006.01) A61B 5/087 (2006.01) A61B 5/091 (2006.01) A61B 5/097 (2006.01) A61B 5/11 (2006.01) G01N 33/497 (2006.01) A61B 5/022 (2006.01) A61B 5/024 (2006.01) A61B 7/00 (2006.01)

Patent

CA 2387137

A respiratory nitric oxide meter (10) includes a respiratory connector (14) designed to be supported in contact with a subject and to pass respiratory gases as the subject breathes. A flow pathway (20) receives and passes the respiration gases. One end of the pathway (20) is in fluid communication with the respiratory connector (14), and the other end is in fluid communication with a reservoir of respiratory gases. A nitric oxide concentration sensor (24) generates electrical signals as a function of the instantaneous fraction of nitric oxide as the respiration gases pass through the flow pathway (20).

L'invention concerne un dispositif (10) de mesure d'oxyde nitrique respiratoire, qui comprend un connecteur (14) respiratoire conçu pour être maintenu en contact avec un sujet et laisser passer des gaz respiratoires lorsque le sujet respire. Un passage (20) d'écoulement gazeux reçoit et laisse passer les gaz respiratoires. Une extrémité du passage (20) est en communication fluidique avec le connecteur (14) respiratoire, et l'autre extrémité est en communication fluidique avec un réservoir de gaz respiratoires. Un capteur (24) de concentration d'oxyde nitrique produit des signaux électriques en fonction de la fraction instantanée d'oxyde nitrique que contiennent les gaz respiratoires traversant le passage d'écoulement gazeux.

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