Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1996-09-26
2000-09-26
Lewis, Aaron J.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820525, A61M 1600
Patent
active
061230715
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 equalization, or zero flow of air.
A mouth mask (10) for assisted respiration or CPAP also is disclosed.
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Mask 1 Photographs, Respironics Inc., Reusable Full Mask (small) Part #452033 Lot #951108.
Mask 2 Photographs, Puritan--Bennett, Adam Curcuit, Shell Part #231700, Swivel Part #616329-00, Pillows (medium) part #616324.
Mask 3, Photographs, DeVilbiss Healthcare Inc., DeVilbiss Seal-Ring and CPAP Mask Kit (medium), Part 73510-669.
Berthon-Jones Michael
Calluaud Michel
Hely Kenneth Frederick
Lynch Christopher Edward
Lewis Aaron J.
ResMed Limited
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