Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Reexamination Certificate
2008-05-06
2008-05-06
Mitchell, Teena (Department: 3771)
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
C128S204230
Reexamination Certificate
active
10841302
ABSTRACT:
The invention is a ventilator whose servo-controller adjusts the degree of support by adjusting the profile of the pressure waveform as well as the pressure modulation amplitude. As the servo-controller increases the degree of support by increasing the pressure modulation amplitude, it also generates a progressively more square, and therefore efficient, pressure waveform; when the servo-controller decreases the degree of support by decreasing the pressure modulation amplitude, it also generates a progressively more smooth and therefore comfortable pressure waveform.
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Japanese Office Action served Jun. 15, 2004 for co-pending application and English translation.
Bateman Peter
Berthon-Jones Michael
Malouf Gordon
Gottlieb Rackman & Reisman PC
Mitchell Teena
Resmed Limited
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