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Self-fitting device for location in an ear canal

  • US 20090320858A1
  • Filed: 06/30/2008
  • Published: 12/31/2009
  • Est. Priority Date: 06/30/2008
  • Status: Active Grant
First Claim
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1. A self-fitting device for location in an ear canal, comprising:

  • a body having a body ear end, an opposite body user end, and a shaft extending from the ear end to the user end;

    a resilient bladder joined with the body ear end and a chamber defined inside the resilient bladder where the chamber is in communication with the shaft and the resilient bladder has a wall portion and is deformable from an at-rest position to an in-ear position; and

    ,the resilient bladder having a variable strength profile in the wall portion of the bladder.

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