Nasal interface including ventilation insert

Details Nasal interface including ventilation insert Nasal interface including ventilation insert

A - Human Necessities

62

B

A62B 9/00 (2006.01) A61M 16/06 (2006.01)

Patent

CA 2459605

A ventilation interface to be inserted into a nares of a user of the ventilation interface. A ventilation insert includes a cannula connectable to a source of ventilation gas. A nasal insert adapted to be inserted into a first naris of the nares of the user forms a portion of an input gas flaw passage from the cannula to a distal end of the nasal insert for supplying the ventilation gas to the user. A, seal portion is adapted to engage a portion of the first naris, the seal portion provided adjacent the distal end. A gas output forms a portion of an output gas flow passage from the nasal insert to an exterior of the ventilation interface for channeling a gas expired by the user. At least a portion of the input gas flow passage and at least a portion of the output gas flow passage are configured to produce laminar flow for the gas passing therethrough when the nasal insert is inserted into the first naris.

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