Patent ID: 6807967
Filing Date: 2004-10-26
Classification: A61M

Abstract:
A ventilation interface, comprising:(a) a nasal cannula, the cannula being a hollow, arcuate body and a semi-cylindrical bottom wall defining an air chamber, the body having cylindrical tubes at opposing ends of the body adapted for connection to ventilator supply tubes; and (b) a pair of hollow, flexible, resilient nasal inserts, each nasal insert having a base end connected to a top wall of said nasal cannula and an open distal tip end, each nasal insert being oval in cross-section and defining a conduit forming an air passage in communication with said air chamber, each said nasal insert having a flange formed as a bead disposed about the distal tip end; (c) wherein each said nasal insert is capable of being compressed and inserted into a patient's naris to a patient's mucosal membrane and being retained therein solely said flange, by the resilience of said nasal insert, and by lateral pressure against the naris from ventilator air flow through each said nasal insert.