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Methods and apparatus for aerosolizing a substance

  • US 6,427,682 B1
  • Filed: 01/14/2000
  • Issued: 08/06/2002
  • Est. Priority Date: 04/05/1995
  • Status: Expired due to Term
First Claim
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1. A device for aerosolizing a liquid, comprising:

  • a housing;

    a vibrating structure having a front side, a back side and a plurality of holes extending between the front and back sides, the vibrating structure being mounted within the housing;

    means for vibrating the vibrating structure;

    a container containing a fluid and mounted within the housing;

    a chamber having a deformable wall movable between a collapsed position and an expanded position, the chamber being partially defined by the back side of the vibrating element, the chamber receiving fluid from the container for delivery through the plurality of holes in the vibrating element upon vibration with the vibrating means.

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