Surgery – Respiratory method or device – Face mask covering a breathing passage
Patent
1994-12-07
1999-03-30
Weiss, John G.
Surgery
Respiratory method or device
Face mask covering a breathing passage
12820618, 12820624, 12820711, A62B 702
Patent
active
058875875
ABSTRACT:
A facial mask for use in medical respiratory treatments such as sleep apnea CPAP therapy. The mask includes a preferably transparent front plate to which is attached a skirt of flexible material adapted to sealingly impinge on the face of a patient. The mask is of sufficient size so that as it seals the nose from all but the desired therapeutic airflow, the sealing pressures will be felt on the forehead, the upper lip, and the malar region of the face spaced from the nose. Thus pressure on the bridge of the nose and in the maxillary region adjacent to the nose are avoided, resulting in a significant decrease in the possibility of intense pain.
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Criner et al., "Efficacy of a New Full Face Mask for Noninvasive Positive Pressure Ventilation", Chest, vol. 6, No. 4, Oct., 1994, pp. 1109-1115.
EdenTec Corporation
Srivastava V.
Weiss John G.
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