Surgery – Respiratory method or device – Gas produced by electrolysis or chemical reaction
Patent
1978-01-19
1980-02-12
Recla, Henry J.
Surgery
Respiratory method or device
Gas produced by electrolysis or chemical reaction
A62B 708
Patent
active
041878434
ABSTRACT:
A respirator comprises an air hose which has a mouthpiece which is adapted to be connected to the patient and an opposite end which is connected into a first cartridge housing which has an oxygen-liberating chemical therein. The first cartridge housing has a tubular inlet member connected between the air hose and the housing which has a through-flow air passage from the air hose into the housing, and has a second cartridge receiving opening intermediate the air passage. The first cartridge housing has a bottom wall which is spaced from the chemical therein and which has a connection at one end for connecting an air bag which is arranged around the cartridge. The opposite end of the bottom wall has a second cartridge receiving opening. The second cartridge housing has one end with a laterally extending tubular connection piece which defines an air flow passage which is insertable into the first receiving opening of the first housing in a manner such that it blocks the flow passage. The flow is instead diverted through an opening in the tubular connection into the second housing past an auxiliary oxygen-liberating chemical arranged in the second housing. In addition, coupling means are provided for effecting a coupling between the second receiving opening of the first cartridge and an air space defined at the bottom of the second cartridge below the oxygen-liberating chemical.
REFERENCES:
patent: 2354452 (1944-07-01), Foregger
patent: 3980081 (1976-09-01), Cotabish et al.
Pasternack Adalbert
Warncke Ernst
Dragerwerk Aktiengesellschaft
Recla Henry J.
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