Patent ID: 6997187
Filing Date: 2006-02-14
Classification: A61M

Abstract:
1. A ventilation interface, comprising: a cannula with at least one nasal insert and at least one exhaust port; the cannula forming a first portion of an input gas flow passage to supply the ventilation gas to the user, the first portion of the input gas flow passage defined by a first passage disposed at a first distal end of the cannula where the cannula is connected to a first source of ventilation gas and a second passage disposed at a second distal end of the cannula where the cannula is connected to a second source of ventilation gas; the at least one nasal insert forming second and third portions of the input gas flow passage from the cannula to a distal end of the nasal insert that are substantially axially aligned with the first passage disposed at the first distal end of the cannula where the cannula is connected to a first source of ventilation gas and the second passage disposed at the second distal end of the cannula where the cannula is connected to the second source of ventilation gas; and a seal portion adapted to engage at least a portion of the nares, the seal portion being provided on the distal end of the at least one nasal insert.