Mouthpiece assembly with disposable liner for breathing apparatu

Details Mouthpiece assembly with disposable liner for breathing apparatu Mouthpiece assembly with disposable liner for breathing apparatu

1990-12-21

1992-03-03

Burr, Edgar S.

Surgery

Respiratory method or device

Respiratory gas supply means enters mouth or tracheotomy...

12820026, 128911, A61M 1600, A62B 906

Patent

active

050923285

ABSTRACT:
A mouthpiece assembly for a breathing apparatus comprising a housing, a disposable liner, and a protective sheath. The housing comprises a conical opening extending therethrough. The liner is conical and is adapted to be received in the housing. A seal is provided between the liner and the housing to prevent leakage of air. The liner includes a member for engaging the lips of the user when the mouthpiece is in use. The sheath is located between the housing and the liner. Additionally, the liner includes alignment members which are suitable for aligning the liner with the housing and for spacing adjacent liners when they are stacked.

REFERENCES:
patent: 3556097 (1971-01-01), Wallace
patent: 3802428 (1974-04-01), Sherman
patent: 4030493 (1977-06-01), Walter et al.
patent: 4231364 (1980-11-01), Speshyock
patent: 4719911 (1988-01-01), Carrico

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