Nasal continuous positive airway pressure device
AssigneeCareFusion 2200, Inc.
InventorsBrian Pierro, Steven M. Harrington, Bruce K. Bridges, Douglas Gaylord
Life of this patent
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Abstract
A nasal continuous positive airway pressure (nCPAP) device having a hollow body with a proximal wall, a distal wall, and an exhaust port extending through the distal wall. A proximal tubular member extends through the proximal wall of the body and is arranged such that a stream of gas entering the body through the proximal tubular member will exit the proximal tubular member in a first direction and then enter the exhaust port. A nozzle extends through the body and is arranged such that a stream of gas entering the body through the nozzle will exit the nozzle and then enter the proximal tubular member in a second direction that is opposite the first direction.
Claims12
A nasal continuous positive airway pressure (nCPAP) device comprising:
- a hollow body having a proximal wall and a distal wall;
- an exhaust port extending through the distal wall of the body;
- a plurality of nozzles extending through the body and arranged such that a stream of gas entering the body through each nozzle impinge upon each other and combine to flow in a first direction proximal toward the proximal wall;
- a tubular member extending through the proximal wall of the body, the proximal tubular member comprising an inner cross-section defining a relief zone between the nozzles and proximal wall, and a tapering zone between the relief zone and the proximal wall, wherein a fluid flow a stream of gas entering the body through the proximal tubular member in a second direction that is opposite the first direction causes the combined stream of gas from the nozzles to separate and enter the relief zone.
Dependencies are inferred from the claim text.