Nasal air mask

Details Nasal air mask Nasal air mask

1996-10-31

2000-02-01

Weiss, John G.

Surgery

Respiratory method or device

Face mask covering a breathing passage

12820618, 12820624, 12820627, A62B 1808

Patent

active

060191015

ABSTRACT:
Disclosed is a novel improved nasal mask useful for patients suffering from respiratory ailments such as sleep apnea syndrome. The mask includes a shell having a contoured portion circumscribing the nasal area and side wings through which a retention strap passes. A seal is disposed between the shell and the patient's face providing a large contact area to distribute retention forces and reduce facial pressure. Transmission of external loads to and torques induced in the shell are minimized by orienting inlets proximate side wings and supporting a supply conduit along the strap.

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