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US 2018/0001047 A1Published application
Breathing assistance apparatus
AssigneeFisher & Paykel Healthcare Limited
InventorsAlastair Edwin McAuley, Christopher Earl Nightingale, Lewis George Gradon, Mark Joseph Haycock, Nicholas Charles Alan Smith, Daniel Mahon, Fiona Elizabeth Cresswell
Life of this patent
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Abstract
A CPAP system for supplying humidified gases to a user is disclosed in which various interfaces are described for gas delivery. A mask cushion including a deformable cushion and thin sheath is described.
Claims18
(canceled)
An elbow connector adapted to connect a patient interface with a supply of gases, the elbow connector comprising:
- a hollow body having an inlet and an outlet, the hollow body defining an air flow channel, the inlet configured to be in fluid communication with the supply of gases in use and the outlet configured to be in fluid communication with the patient interface in use;
- a wall of the hollow body defining the air flow channel, the wall being cylindrical, the cylindrical wall having a proximal portion closest to a user and a distal portion furthest from the user, the cylindrical wall also having a curved portion that bends in a first direction such that a length of the distal portion is longer than a length of the proximal portion, the distal portion comprising a flexible thin portion along the curved portion of the cylindrical wall such that the flexible thin portion is curved in two dimensions;
- and
- the thin portion comprising a plurality of apertures configured to externally vent gases exhaled by the user.
1 more element
An elbow connector adapted to connect a patient interface with a supply of gases, the elbow connector comprising:
- a hollow body having an inlet and an outlet, the hollow body defining an air flow channel, the inlet configured to be in fluid communication with the supply of gases in use and the outlet configured to be in fluid communication with the patient interface in use,
- the hollow body comprising a thin portion positioned along a curved portion of the elbow connector, the thin portion being thinner in cross section than an adjacent portion of the hollow body,
- the thin portion comprising a plurality of apertures configured to externally vent gases exhaled by the user.
Dependencies are inferred from the claim text.