Patent ID: 9604024
Date: 2017-03-28
CPC Classifications: A61B,A61M

Claim:
1. A divided cannula comprising: a cannula body being divided by a partitioning wall into first and second internal flow chambers, each of the first and the second internal flow chambers having a first nare passage and a second nare passage; the cannula body supporting spaced apart first and second nares and each of the first and the second nares defining a common nare passage; and the first nare passages of the first and the send internal flow chambers communicate with the common nare passage of the first nare to facilitate a flow between an end of the common nare passage of the first nare remote from the cannula body and the first and the second internal flow chambers, the first nare passages of the first and the second internal flow chambers are separated from each other, within the first nare, by a first tapering flow diverter wall, and the second nare passages of the first and the second internal flow chambers communicate with the common nare passage of the second nare to facilitate a flow between an end of the common nare passage of the second nare remote from the cannula body and the first and the second internal flow chambers, the second nare passages of the first and the second internal flow chambers are separated from each other, within the second nare, by a second tapering flow diverter wall.