Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Reexamination Certificate
2008-02-20
2011-10-11
Douglas, Steven (Department: 3771)
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
C128S203130, C128S203120, C128S204210
Reexamination Certificate
active
08033280
ABSTRACT:
Inhalation anaesthesia delivery system and a leak detecting method, whereby the system comprises a fresh gas feeding arrangement connected to a breathing circuit, a monitor device, The monitor device is configured to monitor gas concentrations in the breathing circuit by using a sampling line. The monitor device is configured to measure at least two gas components' concentrations and identify changes, which are simultaneous towards the known ambient air concentration values of the two gas components' concentrations measured.
REFERENCES:
patent: 5831147 (1998-11-01), Hoath
patent: 6319375 (2001-11-01), Warburton
patent: 7832398 (2010-11-01), Laurila
patent: 2008/0223109 (2008-09-01), Nitta et al.
patent: 2008/0236583 (2008-10-01), Tigerstedt
Douglas Steven
General Electric Company
Global Patent Operation
Thomas Jonathan E.
LandOfFree
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