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Ventilation mask

  • US 8,789,532 B2
  • Filed: 03/10/2006
  • Issued: 07/29/2014
  • Est. Priority Date: 03/10/2006
  • Status: Active Grant
First Claim
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1. A ventilation mask, comprising:

  • an outer body including at least one gas entry port to be connected to a source of breathable gas;

    a cushion connected to the outer body about a perimeter, the cushion forming a gas-tight seal with the outer body, and further having;

    at least one interior membrane;

    a chin portion that extends below the outer body;

    and a chin flap coupled to a distal end of the chin portion and extending toward the at least one gas entry port such that the chin flap is positioned adjacent the chin portion and oriented substantially parallel thereto, wherein the chin flap facilitates providing chin support and has a single surface that facilitates providing a seal against a face and under the chin of a wearer; and

    an upper portion adjustably secured to the outer body and having a forehead cushion.

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