Surgery – Respiratory method or device – Face mask covering a breathing passage
Reexamination Certificate
2006-02-28
2006-02-28
Dawson, Glenn K. (Department: 3731)
Surgery
Respiratory method or device
Face mask covering a breathing passage
C128S203120, C128S204220, C128S205110, C128S205240, C128S206280, C600S532000, C600S538000
Reexamination Certificate
active
07004168
ABSTRACT:
A face mask including a gas monitoring capability for improved patient management in combination with improved efficiency of supplemental oxygen delivery to the patient is provided. The face mask of the present invention is configured to direct substantially all of the inspiratory and expiratory gas streams to and from the patient through a gas measuring device and to efficiently deliver supplemental oxygen. As such, the face mask permits measurement of both oral and nasal gas exchange.
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Mace Leslie E
Pierry Anthony T
Polson Michael J. R.
Rich David R
Terry Randall J
Dawson Glenn K.
Haas Michael W.
Respironics Inc.
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