Patent ID: 9649465
Date: 2017-05-16
CPC Classifications: A61M,B01D,G01N

Claim:
1. An oxygen concentrator apparatus, comprising: at least two canisters; separation material disposed in the at least two canisters, wherein the separation material separates at least some nitrogen from air in the canisters to produce oxygen enriched gas; a compression system coupled to at least one of the canisters, wherein the compression system compresses air during operation; an airway delivery device coupled to one or more of the canisters through one or more conduits and positionable on the face of a user; a pressure sensor coupled to the airway delivery device; wherein the pressure sensor is operable to detect a change in pressure at the airway delivery device; a processor coupled to the pressure sensor, wherein the processor is operable to execute program instructions, wherein the program instructions are operable to: