Surgery – Respiratory method or device – Means for removing substance from respiratory gas
Reexamination Certificate
2004-11-08
2010-10-19
Yu, Justine R (Department: 3771)
Surgery
Respiratory method or device
Means for removing substance from respiratory gas
C128S205120, C128S203250
Reexamination Certificate
active
07814908
ABSTRACT:
In a method and device for reducing the carbon dioxide content in a dead volume intended for connection to the respiratory system of a patient, and an anesthesia apparatus embodying such a device, a flow of gas is generated from an outlet associated with the dead volume and the gas is conducted through a carbon dioxide absorber, and the gas after passing through the carbon dioxide absorber is returned to an inlet associated with the dead volume.
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L. Perhag, The Reflector: a new method for saving anaessthetic vapours, Apr. 11, 2000, Brithish Journal of Anaesthesia, vol. 95, p. 484-486.
“Aspiration of Airway Dead Space: A New Method to Enhance CO2Elimination,” De Robertis et al, American Journal of Respiratory and Critical Care Medicine, vol. 159, No. 3 (Mar. 1999), pp. 728-732.
Blizzard Christopher
Maquet Critical Care AB
Schiff & Hardin LLP
Yu Justine R
LandOfFree
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