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Biodegradable auricular prosthetic device

  • US 7,163,557 B2
  • Filed: 01/16/2002
  • Issued: 01/16/2007
  • Est. Priority Date: 01/16/2002
  • Status: Expired due to Fees
First Claim
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1. A biodegradable auricular prosthetic device, particularly but not exclusively devised for the treatment of otitis media, comprising a tubular body having axially opposed ends and flanged at least at one of said opposed ends and at least a portion of which is produced from a material subject to biological degradation in the presence of organic liquids, characterized in that at least said portion made of material subject to biological degradation is produced from a polymeric material selected from the group of polyphosphazenes;

  • wherein said tubular body has a duct defined therethrough;

    wherein at least said portion made of material subject to biological degradation has variable biodegradability characteristics along the axial extension of said tubular body; and

    wherein said tubular body, in an intermediate portion thereof comprised between said ends, has a greater biodegradability with respect to the biodegradability of said flange.

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