Surgery – Respiratory method or device – Face mask covering a breathing passage
Patent
1996-03-26
1997-10-07
Millin, Vincent
Surgery
Respiratory method or device
Face mask covering a breathing passage
12820527, 12820529, 12820619, 12820623, A62B 710
Patent
active
056736908
ABSTRACT:
The present invention provides different size breathing masks in which single size filtration shells are attached to single size face contacting members at the same periphery. A single size face contacting member has one, or more than one size, inner breathing opening with a narrower cut profile in the nose area than in the mouth and chin area. Such different size breathing masks would fit and provide effective seal for more than one wearer's size.
REFERENCES:
patent: 4971051 (1990-11-01), Toffolon
patent: 5181506 (1993-01-01), Tardiff et al.
patent: 5419318 (1995-05-01), Tayebi
patent: 5520167 (1996-05-01), Hamilton
Cormier Scott W.
Kyslowsky Tanya A.
Mithal Ashish K.
Saati George S.
Tayebi Amad
Better Breathing Inc.
Deane, Jr. William J.
Millin Vincent
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