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Related Experiment Video

Updated: Mar 12, 2026

The Microscopic Transcanal Approach in Stapes Surgery Revisited
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Early functional results using the nitibond prosthesis in stapes surgery.

Giuseppina Canu1,2,3,4, Fulvio Lauretani5, Francesca Yoshie Russo1,2,3

  • 1a Service d'Oto-Rhino-Laryngologie, département d'Otologie, Implants auditifs et Chirurgie de la base du crâne , AP-HP, Groupe hospitalier Pitié-Salpêtrière , Paris , France.

Acta Oto-Laryngologica
|November 5, 2016
PubMed
Summary

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The NiTiBOND® prosthesis shows early hearing results comparable to traditional methods in otosclerosis surgery. This nitinol device simplifies the procedure, reducing the learning curve for surgeons.

Area of Science:

  • Otolaryngology
  • Biomaterials Science
  • Surgical Innovation

Background:

  • Otosclerosis surgery aims to restore hearing by replacing the stapes bone.
  • Traditional prostheses include fluoroplastic and titanium pistons, each with varying outcomes.
  • The learning curve for fitting manual prostheses can impact surgical success.

Purpose of the Study:

  • To evaluate the 1-month postoperative hearing results of the NiTiBOND® nitinol prosthesis in primary otosclerosis surgery.
  • To compare the efficacy of the NiTiBOND® prosthesis against fully fluoroplastic and titanium pistons.

Main Methods:

  • A comparative study involving 50 cases using the NiTiBOND® prosthesis (nitinol group).
  • Comparison with 50 cases using fluoroplastic pistons and 181 cases using titanium pistons (split into 'first' and 'last' groups).
Keywords:
Lasernitinolotosclerosispiston

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  • Pure-tone and speech audiometry were conducted 1 month post-surgery.

    • Main Results:

    • The nitinol group achieved a mean air-bone gap closure of 16 ± 1.0 dB.
    • 100% of nitinol cases had an air-bone gap <15 dB, and 84% had <10 dB.
    • Hearing outcomes in the nitinol group were similar to the 'last titanium' group and superior to fluoroplastic and 'first titanium' groups.

    Conclusions:

    • The NiTiBOND® prosthesis yields early surgical outcomes comparable to manually crimped prostheses.
    • This nitinol device effectively reduces the learning curve associated with prosthesis fitting.
    • The prosthesis demonstrates promising results for primary otosclerosis surgery.