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    • 58. 发明专利
    • Nasal pillow mask assembly
    • NZ562411A
    • 2009-02-28
    • NZ56241104
    • 2004-02-20
    • RESMED LTD
    • GUNARATNAM MICHAEL KASSIPILLAIKWOK PHILIP RODNEYGUNEY MEMDUHLITHGOW PERRY DAVIDDARKIN DONALDLYNCH SUSAN ROBYNHITCHCOCK ROBIN GARTHVELISS LEE JAMESSOKOLOV RICHARD
    • A61M16/06A61M16/08
    • A nasal pillows mask assembly for providing a supply of air at positive pressure to the entrance of a patient's airways includes a nasal pillows assembly defining a chamber 52 comprising a pair of nasal pillows 18 including a first portion 56 of reduced cross-section connected at a first end to a base portion and structured to allow for relative movement with respect to the base portion, and to be pre-loaded against the patient's nostril and a second portion connected to a second end of the first portion, the second portion 50 having a narrower first end that enters the nasal passage of the patient's nose in use and a wider second end, the second portion defining a surface 58 upon at least a portion of which sealing occurs with a patient's nares on the underside of the nostrils in an area about the rim of the nostril openings in use and a base portion 54 constructed of a deformable, resilient and flexible material including sidewalls having a generally thicker end 48 adapted for connection to a frame and decreasing in thickness to a thinner central portion, the sidewalls being arranged to act as a spring structure to provide a component of force on the patient's face through the nasal pillows. The nasal pillows assembly is connected to a frame and a headgear assembly is connected to the frame and structured to retain the frame in position on the face of a patient. An air delivery conduit is adapted to receive a supply of air at positive pressure and direct it to the chamber.