Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1994-06-17
1996-10-01
Burr, Edgar S.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820418, 12820624, 12820713, 12820524, A62B 1802, A61M 1508
Patent
active
055603548
ABSTRACT:
A combination mouth and nasal mask (40) for assisted respiration or CPAP is disclosed.
The combination mask (40) has a frame (42) to the rear side of which is mounted a separate nasal cushion (44) and mouth cushion (46). Both the nasal cushion (44) and the mouth cushion (46) separately form a rolled edge seal around the patient's face in the vicinity of the nose and in the vicinity of the lips. Inlet air is communicated from within the housing (48) to the mouth chamber, circumscribed by the mouth cushion (46) by means of one or more interconnecting tubes (62).
The proportion of air communicated to the mouth chamber (48) is controlled by the sizing and number of the tube(s), thus providing for free flow of air, restricted flow of air and pressure equalisation, or zero flow of air.
A mouth mask (10) for assisted respiration or CPAP also is disclosed.
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Berthon-Jones Michael
Calluaud Michel
Hely Kenneth F.
Lynch Christopher E.
Burr Edgar S.
Deane, Jr. William J.
ResCare Limited
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