Patent ID: 7337780
Filing Date: 2008-03-04
Classification: A61M,B29C

Abstract:
1. A cannula comprising: a hollow main body having opposed first and second ends, and the main body defining an internal chamber therein; at least a first nasal prong communicating with the internal chamber of the main body and defining a first nasal prong passage; a mouthpiece having a gas passageway and a retainer passageway, a first end of the gas passageway communicating with the internal chamber of the main body while a second free end of the mouthpiece having a gas passageway opening therein; and an elongate shape retaining member having a first end and a second end, the shape retaining member being received within the retainer passageway with the first end of the shape retaining member located adjacent the main body and the second end of the shape retaining member being located adjacent the second free end of the mouthpiece.