Insert to provide conformal support for the reflective seal of a

Details Insert to provide conformal support for the reflective seal of a Insert to provide conformal support for the reflective seal of a

1998-05-04

1999-06-08

Lewis, Aaron J.

Surgery

Respiratory method or device

Face mask covering a breathing passage

12820616, 12820525, A62B 1808

Patent

active

059097329

ABSTRACT:
A mask insert to provide conformal support for the reflective seal of an oxygen mask comprising a formed rim made of a resiliently deformable material which is held in place beneath the reflective seal by a supporting framework which conforms to the contours of the interior surface of the mask. The formed rim applies constant pressure on the face-engaging surface of the reflective seal, adjusting for variations in the user's facial structure, thereby eliminating leaks.

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patent: 4579113 (1986-04-01), McCreadie et al.
patent: 4657010 (1987-04-01), Wright
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patent: 4827924 (1989-05-01), Japuntich
patent: 5003633 (1991-04-01), Itoh
patent: 5062421 (1991-11-01), Burns et al.
patent: 5143061 (1992-09-01), Kaimer
patent: 5181506 (1993-01-01), Tardiff, Jr. et al.
patent: 5454369 (1995-10-01), Muller et al.
patent: 5592937 (1997-01-01), Freund

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