Ventless mask CPAP system
First Claim
Patent Images
1. A CPAP system comprising:
- a mask provided to a patient in use, the mask including a breathing chamber;
a flow generator in communication with the mask;
a positive pressure line to provide positive pressure air from the flow generator to the mask; and
a vacuum or return line provided to actively extract and/or remove gas exhausted by the patient,wherein the vacuum or return line is configured and positioned to direct the gas exhausted by the patient to the flow generator without recirculation to the patient, andthe vacuum or return line is in communication with a vent outlet provided on the flow generator.
4 Assignments
0 Petitions
Accused Products
Abstract
A CPAP or other ventilation system includes a mask, a flow generator, a positive or high pressure line to provide positive or high pressure air from the flow generator to the mask and a vacuum or return line provided to actively extract exhaled gas from the breathing chamber and/or the air delivery conduit of the mask. The vacuum or return line includes a vent outlet preferably positioned remote from the mask.
-
Citations
19 Claims
-
1. A CPAP system comprising:
-
a mask provided to a patient in use, the mask including a breathing chamber; a flow generator in communication with the mask; a positive pressure line to provide positive pressure air from the flow generator to the mask; and a vacuum or return line provided to actively extract and/or remove gas exhausted by the patient, wherein the vacuum or return line is configured and positioned to direct the gas exhausted by the patient to the flow generator without recirculation to the patient, and the vacuum or return line is in communication with a vent outlet provided on the flow generator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
-
Specification