Patent ID: 11878120
Assignee: 3B MEDICAL INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 13:
14. An oxygen delivery system, comprising:
an oxygen supply;
a tube configured to connect to the oxygen supply;
a fitting configured to connect to the tube and configured to be situated inferior to a nose of a user, wherein the fitting does not include nostril prongs;
a pressure sensor configured to generate signals indicative of pressure in the tube;
a controller configured to:
read the signals from the pressure sensor,
detect a plurality of pauses in a breathing cycle of the user,
take a plurality of pressure readings during each pause in the breathing cycle,
store an average pressure reading of the plurality of pressure readings for each pause,
determine a baseline value based on a running average of the average pressure readings for the plurality of pauses, the baseline value continuously updating based on the average pressure reading of each pause; and
detect an inhale of the user when a difference between a pressure reading and a the baseline value is less than or equal to an inhale threshold.