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Apparatus and method for conveying amplified sound to ear

  • US 5,201,007 A
  • Filed: 03/05/1991
  • Issued: 04/06/1993
  • Est. Priority Date: 09/15/1988
  • Status: Expired due to Term
First Claim
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1. An earmold comprising:

  • (a) an acoustic conduction tube open at both ends for conveying amplified sound to the tympanic membrane at the inner end and the ear canal, said tube, when inserted into the ear canal, allowing unamplified sound received at the ear to reach into the ear canal to a first position at least as deep as the osseous portion thereof; and

    (b) a flexible disk affixed to said tube so that when said tube is inserted into the ear canal, said disk is adjacent said first position, said disk generally conforming to the ear canal at said first position, and having a hole coincident with the opening in the tube.

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