Patent ID: 8177689
Filing Date: 2012-05-15
Classification: A63B

Abstract:
1. An oxygen trainer assembly comprising: a mouthpiece having a mouthpiece opening; a circulation chamber housing having a circulation chamber in fluid communication with the mouthpiece opening, the circulation chamber housing having a first chamber housing end and a second chamber housing end, the first chamber housing end having a first circulation aperture and the second chamber housing end having a second circulation aperture; a first endcap mountable to the first chamber housing end, the first endcap having a first endcap aperture in fluid communication with the first circulation aperture; a second endcap mountable to the second chamber housing end, the second endcap having a second endcap opening in fluid communication with the second circulation aperture; a plurality of first flat endcap inserts, each of the first flat endcap inserts being disposable between first chamber housing end and the first endcap, each of the first flat endcap inserts having a first endcap insert opening, the first endcap insert opening having bisecting slits to allow air therethrough, each of the plurality of first flat endcap inserts having different thicknesses to provide it different level of air resistance; and a one-way valve disposable between the second chamber housing end and the second endcap, the one-way valve being sized and configured to allow the flow of air from the second circulation aperture and away from the circulation chamber during exhalation and to block the flow of air from the second circulation aperture and into the circulation chamber during inhalation.