(Language: english/french). Left transcanal primary surgery for otosclerotic stapes ankylosis with a dehiscent VIIth nerve and really narrow oval window. This clip demonstrates the drilling out procedure of the promontory after stapes superstructure removal and the use of the 0.4mm diameter Bucket-type stapes prosthesis insertion underneath the lenticular process of the incus. Dr Robert Vincent, Causse Ear Clinic, Colombiers (Béziers), France.

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