Surgery – Respiratory method or device – Means for removing substance from respiratory gas
Patent
1993-02-23
1994-06-28
Asher, Kimberly L.
Surgery
Respiratory method or device
Means for removing substance from respiratory gas
12820523, 12820525, 12820222, 116206, A62B 710, A62B 1808, A62B 2302, G01D 2100
Patent
active
053237749
ABSTRACT:
A breathing mask with a mask interior, through which the respiration air flows, and with a detection device with an indicator for indicating the presence of a toxic substance having penetrated into the breathing mask, is to be improved such that the indicator can be activated when the breathing mask has been put on. To accomplish this task, the detection device (1), which gas-tightly surrounds the indicator (6), has an operating means (5), which can be operated from the outside (21) of the mask, and with which the indicator (6) can be brought into contact with the respiration air in the mask interior (22) when the breathing mask has been put on.
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patent: 4205043 (1980-05-01), Esch et al.
patent: 4595003 (1986-06-01), Shoemaker et al.
patent: 4676236 (1987-06-01), Piorkowski et al.
patent: 4741332 (1988-05-01), Beaussant
patent: 4873970 (1989-10-01), Freidank et al.
patent: 4928687 (1990-05-01), Lampotang et al.
patent: 5018518 (1991-05-01), Hubner
Asher Kimberly L.
Dragerwerk AG
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