Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Reexamination Certificate
2007-07-24
2007-07-24
Yu, Justine R. (Department: 3771)
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
C128S204290, C244S118500, C600S323000
Reexamination Certificate
active
10697785
ABSTRACT:
A noninvasive system for monitoring the oxygen saturation level of a person subjected to reduced atmospheric pressure for avoiding hypoxemia. The system monitors a person's oxygen saturation level, comparing the saturation level to a predetermined level. When the measured saturation level is less than the predetermined level, the person is then supplied with an oxygen mixture for increasing the subject's oxygen saturation level to a safe level. The person's exposed reduced atmospheric pressure is also compared with a predetermined range of pressure levels. If this predetermined range of pressure levels is exceeded or maintained for a predetermined time duration, the person is then supplied with an oxygen mixture. Additionally, a device is provided for performing oxygen flight planning calculations for estimating oxygen usage for a predetermined flight plan that is based on the above system.
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“Mixed Venous Oxygen Saturation in Critical Care”—by John D. Conroy, Jr., and Jane Kirker-Conroy; Osteopathic Medical News, vol. IV, No. 2, pp. 18-19, 37-38, 43.
Dixon Annette
McNees Wallace & Nurick LLC
Yu Justine R.
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