Surgery – Respiratory method or device – Face mask covering a breathing passage
Patent
1994-09-16
1996-02-06
Burr, Edgar S.
Surgery
Respiratory method or device
Face mask covering a breathing passage
12820621, 12820627, 2 61, 2422, A61M 1600, A62B 1808
Patent
active
054889480
ABSTRACT:
The fast donning breathing apparatus for use by a crew member comprises a mask provided with a regulator for connection to a source of pressurized breathable gas and a harness having. The harness has a stretchable strap having ends connected to the mask and including an element which is optionably inflatable by the pressurized breathable gas to extend the strap up to a size which is sufficient to permit fitting of the harness on the head and deflatable to enable the strap to tighten, to bias the mask onto the face and to hold the mask in position. The harness also has a flexible hardly extensible additional strap. A fastener enables to adjust the length of the additional strap and permits direct manual tightening by a user.
REFERENCES:
patent: 2312630 (1943-03-01), Dauster
patent: 2444417 (1948-07-01), Bierman
patent: 2827900 (1958-03-01), Marietta
patent: 3330273 (1967-07-01), Bennett
patent: 3599636 (1971-08-01), Gutman
patent: 4437462 (1984-03-01), Piljay et al.
patent: 4915106 (1990-04-01), Aulgur et al.
patent: 5179735 (1993-01-01), Thomanek
patent: 5291880 (1994-03-01), Almovist et al.
"Eros Quick Donning Mask Brochure" by Scott Avation Dt. 7/80 Maintained in files.
Dubruille Alain
Morvan Patrick
Burr Edgar S.
Intertechnique
Srivastava V.
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