Strap member for a patient interface
AssigneeKoninklijke Philips N.V.
InventorsMATTHEW JOHN LAWRENSON, JULIAN CHARLES NOLAN
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Abstract
The present invention relates to a strap member (28a-c) for use in a patient interface (10) for supplying a pressurized flow of breathable gas to an airway of a patient (12), wherein the strap member (28a-c) is configured to secure the patient interface (10) to the head of the patient (12) and comprises: —a strap portion (38) having (i) a first side (40) that is configured to contact the face of the patient (12) during use, (ii) an internal chamber forming a cavity (30), and (iii) a plurality of openings (44) which are fluidly connected to the cavity (30) and arranged at the first side (40); and —a connector (32) for fluidly connecting the cavity (30) to the pressurized flow of breathable gas supplied to the airway of the patient (12).
Claims20
A strap member for use in a patient interface for supplying a pressurized flow of breathable gas to an airway of a patient, wherein the strap member is configured to secure the patient interface to the head of the patient and comprises:
- a strap portion having (i) a first side that is configured to contact the face of the patient during use, (ii) an internal chamber forming a cavity, and (iii) a plurality of openings (44) which are fluidly connected to the cavity and arranged at the first side;
- a flow restriction element for restricting and/or regulating an inflow of the pressurized flow of breathable gas into the cavity;
- and
- a connector for fluidly connecting the cavity to the pressurized flow of breathable gas supplied to the airway of the patient during use of the patient interface.
A strap member for use in a patient interface for supplying a pressurized flow of breathable gas to an airway of a patient, wherein the strap member is configured to secure the patient interface to the head of the patient and comprises:
- a strap portion having (i) a first side that is configured to contact the face of the patient during use, (ii) an internal chamber forming a cavity, and (iii) a plurality of openings which are fluidly connected to the cavity and arranged at the first side;
- an actuator for regulating an outflow of the pressurized flow of breathable gas through at least one of the plurality of openings out of the cavity by changing at least one of a size, a shape, a location, and a geometry of the at least one of the plurality of openings;
- and
- a connector for fluidly connecting the cavity to the pressurized flow of breathable gas supplied to the airway of the patient during use of the patient interface.
Dependencies are inferred from the claim text.