Ergonomic and adjustable respiratory mask assembly with elbow assembly

  • US 7,487,772 B2
  • Filed: 03/19/2003
  • Issued: 02/10/2009
  • Est. Priority Date: 04/23/2002
  • Status: Active Grant
First Claim
Patent Images

1. A respiratory mask assembly for delivering breathable gas to a patient, comprising:

  • a frame having a front surface and a rear surface adapted in use to face the patient, the frame including a main body providing an aperture therethrough for the introduction of breathable gas into a nasal breathing cavity; and

    an elbow assembly swivelably coupled to the front surface of the frame, the elbow assembly including a swivel elbow that defines an intake port and an exhaust port separated from the intake port using a baffle provided within an interior portion of the swivel elbow,wherein the elbow assembly includes an end portion that interfaces with the aperture of the frame.

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