Surgery – Respiratory method or device
Reexamination Certificate
2006-06-06
2006-06-06
Dawson, Glenn K. (Department: 3731)
Surgery
Respiratory method or device
C128S202220, C128S205230, C128S203280, C600S538000, C600S539000, C600S540000, C600S541000
Reexamination Certificate
active
07055520
ABSTRACT:
A device for detecting the flow of a gas from an opening comprising a chamber with an inlet, the chamber carrying a pressure displaceable member with an inner face exposed to the interior of the chamber and an outer face exposed to the ambient pressure such that the member is displaced as a result of the differential of the pressures; and a method of using the device and a method of manufacturing the device.
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Dawson Glenn K.
Mendoza Michael G.
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