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Nasal air passageway opening device

  • US 6,386,197 B1
  • Filed: 01/27/2000
  • Issued: 05/14/2002
  • Est. Priority Date: 01/27/2000
  • Status: Expired due to Fees
First Claim
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1. A nasal passageway opening device, comprising:

  • a body having a first end, a second end, and a longitudinal axis extending through the body from the first end to the second end, the body further having an exterior surface and an interior surface, the interior surface defining an airflow channel extending through the body from the first end to the second end, the body being sized and shaped to fit within a nasal passageway of a wearer to ensure adequate airflow through the nasal passageway when the nasal passageway opening device is filled within the nasal passageway; and

    a cavity formed within the body between the exterior surface and the interior surface, the cavity being disposed radially outwardly of the airflow channel and being separated from the airflow channel by the interior surface.

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