Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Patent
1992-02-10
1992-12-08
Burr, Edgar S.
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
12820024, 12820222, 12820325, 261 391, B01F 304, A61M 1618
Patent
active
051688670
ABSTRACT:
A locking device 5 for a metering device 3 of an anesthetic vaporizer 1 with an unlocking device 6 for actuating the metering device 3 is provided so as to ensure blocking of the unlocking device 6 in operating states that are unsuitable for the operation of the anesthetic vaporizer 1. The locking device 5 is provided having a final control element 20, 24, 29 that covers a regulating distance that depends on a parameter influencing the operating state of the anesthetic vaporizer 1. This regulating distance of the final control element is transmitted to a blocking device 13 which blocks the unlocking device 6 if the values of the parameter are unsuitable for the operation of the anesthetic vaporizer 1.
REFERENCES:
patent: 3910222 (1975-10-01), Metivier
patent: 3940064 (1976-02-01), Takaoka
patent: 4017566 (1977-04-01), Seidel
patent: 4129621 (1978-12-01), Jones
patent: 4818444 (1989-04-01), Hedderick
patent: 4919125 (1990-04-01), Heaton
patent: 4991576 (1991-02-01), Henkin
Falb Wolfgang
Gippert Karl-Ludwig
Heim Ulrich
Holscher Uvo
Kiske Siegfried
Burr Edgar S.
Dragerwerk Aktiengesellschaft
Raciti Eric P.
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