[Electrical stimulation of the fenestra ovale. Perspectives]

Amongst the various sites for stimulation of the internal ear, in monocanal-extra-cochlear system, the fenestra ovale has virtually never been used. The authors suggest a cup-shaped electrode placed at the end of an incudo-vestibular prosthesis, such as a teflon piston, after stapedectomy and interposition of connective tissue. The immediate advantage of such a method is the fixation of the electrode. Tolerance is excellent and electrical impedance remained stable at very satisfactory levels. The future perspective appearing most promising is based upon simultaneous use of electrical and acoustic stimulation.