Patent ID: 6997177

Claim:
A method of forming ventilation interface, comprising: forming at least one nasal insert from a flexible, resilient, soft, biocompatible material, wherein each nasal insert comprises a hollow body, a base end configured to connect to a ventilator air flow and an open distal tip end, each nasal insert being substantially oval in cross-section at the base end and the distal end and continuously oval in cross-section between the base end and the distal end; and forming a flange as a bead disposed about the distal tip end of each said nasal insert, the flange being configured to seal against a naris of a patient's nose, wherein each said nasal insert is configured to be compressed and inserted into the patient's naris to a patient's mucosal membrane and being retained therein solely by 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.