CPC A61M 16/161 (2014.02) [A61M 16/0066 (2013.01); A61M 16/024 (2017.08); A61M 16/06 (2013.01); A61M 16/109 (2014.02); A61M 16/1095 (2014.02); A61M 16/12 (2013.01); A61M 16/127 (2014.02); A61M 16/16 (2013.01); A61M 16/162 (2013.01); A61M 2016/003 (2013.01); A61M 2016/0021 (2013.01); A61M 2016/0039 (2013.01); A61M 2016/1025 (2013.01); A61M 2202/0208 (2013.01); A61M 2205/3368 (2013.01); A61M 2205/3386 (2013.01)] | 23 Claims |
1. An apparatus configured to supply humidified gases to a patient, the apparatus comprising:
a humidified gases supply,
a gases supply passage positioned within a housing of the apparatus, the gases supply passage configured to be downstream of the humidified gases supply and upstream of the patient in use, the gases supply passage comprising a wall,
a first temperature sensor located on an outside of the wall of the gases supply passage or embedded in the wall of the gases supply passage,
a second temperature sensor provided at a location adjacent the first temperature sensor, the second temperature sensor being located with the wall of the gases supply passage between the second temperature sensor and a gases flow in the gases supply passage, and
a controller receiving output of the first and second temperature sensors and adapted to derive from the output of the first and second temperature sensors an estimation of a property of gases flowing through the gases supply passage.
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