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Related Experiment Videos

[Replacement of ear ossicles with titanium prostheses]

C H Stupp1, H F Stupp, D Grün

  • 1Hals-Nasen-Ohrenklinik, Plastische Chirurgie im Kopf- und Halsbereich, Dominikus Krankenhaus Düsseldorf/Heerdt.

Laryngo- Rhino- Otologie
|June 1, 1996
PubMed
Summary
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Titanium middle ear implants demonstrate excellent biocompatibility and integration for ossicular chain reconstruction. Initial results show high success rates in hearing improvement with no adverse reactions.

Area of Science:

  • Biomaterials Science
  • Otolaryngology
  • Medical Device Engineering

Context:

  • Titanium is a well-established implant material.
  • Advancements in material processing enable the creation of small implants for ossicular chain reconstruction.
  • Ossicular chain reconstruction is crucial for restoring hearing function.

Purpose:

  • To evaluate the efficacy and biocompatibility of titanium middle ear implants for ossicular chain reconstruction.
  • To assess the surgical outcomes and audiological results of titanium prostheses.
  • To determine the suitability of titanium as an implant material for middle ear prostheses.

Summary:

  • 100 titanium middle ear implants (55 PORP, 45 TORP) were used for ossicular chain reconstruction between November 1994 and September 1995.

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  • Implants were available in five sizes, with shape adjustability to avoid intraoperative modifications.
  • Follow-up at three and six months showed no adverse reactions or extrusions; 79% achieved a 0-20 dB residual air-bone gap.

    • Impact:

    • Titanium middle ear implants exhibit good biocompatibility and integration with the ossicular chain.
    • The implants offer excellent mechanical properties for sound conduction and surgical implantation.
    • Initial findings suggest titanium is a suitable material for middle ear prostheses, pending long-term data.