Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Reexamination Certificate
2005-05-18
2009-08-18
Douglas, Steven O (Department: 3771)
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
C128S206210, C600S544000
Reexamination Certificate
active
07575005
ABSTRACT:
Embodiments of the invention relate to a mask assembly for use in treatment systems for treating obstructive sleep apnea using continuous positive air pressure (CPAP). The mask assembly comprises a mask or nasal interface for supplying gas to the nose of a wearer of the mask assembly. The mask assembly also comprises a strap or harness attached to the mask for securing the mask assembly to the wearer and sensors located on the mask assembly for measuring physiological signals of the wearer. These physiological signals are communicated to a monitoring unit which, in association with a CPAP device, serves to determine the efficacy of the CPAP treatment and to vary operational parameters of the treatment.
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Kurtz Ronald Leon
Mumford John Robert
Wu Jianping
Bereskin & Parr LLP / S.E.N.C.R.L., s.r.l.
Douglas Steven O
Excel-Tech Ltd.
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