Compressed air supply system for a compressed air...

Details Compressed air supply system for a compressed air... Compressed air supply system for a compressed air...

2008-01-29

2008-01-29

Douglas, Steven O. (Department: 3771)

Surgery

Respiratory method or device

C128S205230, C128S204180

Reexamination Certificate

active

07322350

ABSTRACT:
In a compressed air breathing apparatus, a single combined high/medium-pressure line (8) consisting of a medium-pressure hose and a coaxial, flexible high-pressure line inside said hose is integrated into the pressure reducer (5) connected to a compressed air bottle so that said line can rotate in axial direction. The free end of the combined high/medium-pressure line (8) can also rotate in axial direction when connected to a manifold block (9) for distributing the supplied high or medium-pressure air to connections for a lung machine (11), a pressure gauge (15), and an alarm whistle (17) that is controlled at high pressure and operated at medium pressure. The manifold block (9) is equipped with an additional high-pressure fast-fill connection (14) and an additional medium-pressure connection (13). A compressed air breathing apparatus of this design is simple, convenient, and safe to handle.

REFERENCES:
patent: 4498471 (1985-02-01), Kranz et al.
patent: 5529096 (1996-06-01), Rowe et al.
patent: 6070577 (2000-06-01), Troup
patent: 1152107 (1955-02-01), None
patent: 2733960 (1996-11-01), None

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