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Method and device for acoustic sealing and occlusion effect mitigation

  • US 9,539,147 B2
  • Filed: 02/16/2010
  • Issued: 01/10/2017
  • Est. Priority Date: 02/13/2009
  • Status: Active Grant
First Claim
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1. A system for insertion in an ear canal comprising:

  • an expandable device configured for placement within an ear canal to seal and isolate an ear canal volume and the expandable device configured to face a tympanic membrane when placed in an ear having a sidewall which acts as a reflective surface to reflect internal body conducted sounds away from the ear canal volume to reduce sound from coupling to the ear canal volume through the body when the ear canal volume is sealed; and

    a medium filling the expandable device placing the expandable device under tensile stress.

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