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Ergonomic and adjustable respiratory mask assembly with headgear assembly

  • US 9,457,162 B2
  • Filed: 07/03/2013
  • Issued: 10/04/2016
  • Est. Priority Date: 04/23/2002
  • Status: Expired due to Term
First Claim
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1. A respiratory mask assembly for delivering gas to a person, comprising:

  • a rigid shell having an aperture;

    a plurality of resilient silicone cushions, each cushion sized and configured to be permanently attached to the rigid shell so as to form a co-molded unit defining a breathing chamber, each resilient silicone cushion being adapted to seal against a face of the person, each cushion having a main body connecting side that is similar to other cushions of the plurality of resilient silicone cushions and a face contacting side that differs from the other cushions in regard to at least one parameter; and

    a swivel elbow snap-fitted to the rigid shell in a releasable manner, thereby positioning the elbow in fluid communication with the breathing chamber, the elbow including a first end and a second end, the first end being received within the aperture of the rigid shell.

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