Patent ID: 9468732
Filing Date: 2016-10-18
CPC Classification: A61M,B29C,B33Y,Y10T

Claim Text:
1. A gas reservoir cannula for controlling the delivery of oxygen to a patient, comprising: an outer shell having an outer surface exposed to ambient air and inner surface defining a reservoir chamber, wherein a supply aperture and an exhaust aperture extend through the outer shell to the reservoir chamber, the exhaust aperture having an open surface area dimension; a static structure disposed within the reservoir chamber, the static structure including a fluidic controller having a supply port, a nasal port, and a collection port; a supply tube extending through the supply aperture in the outer shell and fitted to the supply port; and a nasal prong having an outer area dimension fitted to the nasal port and extending through the exhaust aperture, wherein the outer area dimension of the nasal prong is less than the open surface area dimension of the exhaust aperture to permit pas to escape from the reservoir cannula.