Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1998-09-30
2000-11-07
Lewis, Aaron J.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820421, A61M 1600
Patent
active
061421499
ABSTRACT:
The present invention includes oximetry devices, open oxygen delivery system oximetry devices and method for controlling oxygen saturation. According to one aspect of the present invention, an oximetry device includes: an oxygen saturation sensor adapted to couple with an individual and configured to provide oxygen saturation information of the individual; an oxygen flow sensor adapted to couple with an oxygen source and configured to provide flow rate information of supplemental oxygen delivered to the individual; a controller coupled with the oxygen saturation sensor and adapted to control a flow valve to control the flow rate of supplemental oxygen delivered to the individual responsive to the oxygen saturation information provided by the oxygen saturation sensor; and a memory device coupled with the controller and configured to store the oxygen saturation information and flow rate information of supplemental oxygen.
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