Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Patent
1994-07-11
1996-06-25
Asher, Kimberly L.
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
12820317, 12820327, A61M 1500, A61M 1610, H05B 31
Patent
active
055290604
ABSTRACT:
A humidifier in which the temperature of the humidified gases leaving the humidifying chamber of the humidifier is measured. The measured temperature is compared with a predetermined temperature required for a minimum humidity level for humidified gases supplied to a patient and if the measured temperature is less from the predetermined temperature a warning is provided. The humidifier also has a securing device for securing the humidifying chamber to the heater plate of the humidifier. The securing device comprises a sprung gate member which is biased in an upward position to prevent the humidifying chamber from being removed but may be pressed downwardly by a user in order to engage or remove the chamber.
REFERENCES:
patent: 4621632 (1986-11-01), Bartels et al.
patent: 4647218 (1987-03-01), Figler et al.
patent: 4682010 (1987-07-01), Drapeau et al.
Daniell Michael G.
Salmon Andrew P. M.
Stewart David P.
Asher Kimberly L.
Fisher & Paykel Limited
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