Abstract:
A patient interface for delivering breathable gas to a patient includes a nasal prong assembly (22) including a pair of nasal prongs (24) structured to sealingly communicate with nasal passages of a patient's nose in use and headgear (25) to maintain the nasal prong assembly in a desired position on the patient's face. The headgear includes side straps (53) and rigidizers (52) provided to respective side straps. Each rigidizer includes a first end portion that provides a connector (56) structured to engage a respective end of the nasal prong assembly and an inwardly curved protrusion (63) in the form of a cheek support that curves inwardly of the connector. The cheek support is adapted to follow the contour of the patient's cheek and guide a respective end portion of the side strap into engagement with the patient's cheek to provide a stable cheek support.
Abstract:
The present invention relates to a frame (3310) for a patient interface (3000) for delivery of a supply of pressurised air or breathable gas to an entrance of a patient's airways, the frame comprising a main body (10315), and a pair of upper arms (10320) providing a pair of opposing upper headgear connection points (10325) for attaching upper headgear straps (10230) of a positioning and stabilizing structure (3300), each upper arm extending between an eye and an ear of the patient, a pair of lower arms (10330) providing an opposing pair of lower headgear connection points (10331) for attaching lower headgear straps (10220) of the positioning and stabilizing structure, wherein each lower headgear connection point comprises a magnet (10340) structured to magnetically interface with a respective headgear clip (10210) of the respective lower headgear straps.
Abstract:
A forehead support (12) for a mask assembly (10), comprising a frame connector (20) provided to a mask frame (14), a forehead cushion (16) support movably mounted to the frame connector (20) for generally linear movement between retracted and extended positions with respect to the frame connector (20), and an adjustment knob (40) movably mounted to the frame connector (20) and threadably engaged with the forehead cushion support (60) such that turning movement of the adjustment knob (40) causes the forehead cushion support (60) to be moved between the retracted and extended positions, wherein the adjustment knob (40) includes a resilient prong (54) having a ratchet bump (56), the ratchet bump (56) adapted to selectively engage a series of ridges (74) provided to the frame connector (20) to provide indexed incremental adjustment.
Abstract:
A swivel elbow and connector assembly for a patient interface system includes a ring (128) configured to be sealingly secured in an aperture of the patient interface system and an elbow (125) swivably secured in the ring (128). The ring (128) includes a first side (128(1)) in an interior of the patient interface system and a second side (128(2)) at an exterior of the patient interface system when the ring (128) is secured in the aperture. The ring (128) comprises a first flange on the first side and a second flange on the second side, the first and second flanges defining a channel (128(3)) that sealingly engages the aperture of the patient interface system. An inner surface (128(4)) of the ring (128) is partially spherical and an outer surface (125(3)) of the elbow (125) is partially spherical and the elbow (125) and the ring (128) form a ball and socket connection.
Abstract:
A patient interface for delivering breathable gas to a patient includes a sealing portion (210) including a nose tip engagement portion (212) adapted to form a seal with the patient's nose tip, an upper lip engagement portion (213) adapted to form a seal with the patient's upper lip and/or base of the patient's nares, and nostril engagement flaps (214) adapted to form a seal with the patient's nares. The nose tip engagement portion (212), the upper lip engagement portion (213), and the nostril engagement flaps (214) are all structured to extend or curve outwardly from a supporting wall defining an air path.
Abstract:
A shroud (1020) for a mask system includes a retaining portion structured to retain a frame (1040), a pair of upper headgear connectors (1024) each including an elongated arm (1026) and a slot (1027) at the free end of the arm adapted to receive a headgear strap, and a pair of lower headgear connectors (1025) each adapted to attach to a headgear strap. The retaining portion, the upper headgear connectors, and the lower headgear connectors are integrally formed as a one piece structure.