Surgery – Respiratory method or device – Face mask covering a breathing passage
Patent
1987-02-12
1989-07-18
Hindenburg, Max
Surgery
Respiratory method or device
Face mask covering a breathing passage
12820624, A62B 1808
Patent
active
048483346
ABSTRACT:
A mask assembly for allowing application of gases to the nose and mouth of a person, the mask assembly including a gas delivery nozzle, a mask adapted to cover the nose and mouth of the person, and a retaining strap, the gas nozzle having one end connected to the mask and a free end adapted for connection to a connector assembly, the retaining strap including a clip member and a strap, the strap being adapted to extend around the back of the head of the person and having one end connected to one side of the mask and a free end, the clip member including first and second parts, one of the parts being attached to the free end of the strap and the other one of the parts being attached to the other side of the mask, a specified one of the first and second parts having first and second longitudinally spaced opposite ends, being attached to the mask or strap, respectively, at the first end and adapted for connecting the other of the parts thereto at different selected positions along its length, so that the effective length of the strap is variable, and all parts of the mask assembly being integrally molded of the same substantially non-elastic plastics material.
REFERENCES:
patent: 2176709 (1939-10-01), Dym
patent: 2477706 (1949-08-01), Taylor
patent: 2843121 (1958-07-01), Hudson
patent: 3170463 (1965-02-01), Duggan
patent: 3721239 (1973-03-01), Myers
patent: 4007737 (1977-02-01), Paluch
patent: 4235464 (1980-11-01), Kraus
patent: 4671271 (1987-06-01), Bishop et al.
Hindenburg Max
Lifeline Limited
Reichle K. M.
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