OtoRhinoLaryngology Portal

The Leading Online Gallery of Otolaryngology and Head & Neck Surgery Specialty

OtoRhinoLaryngology Portal Video Collections

YouTube and MEDtube

Cochlea Implant

                    Figure 1                                                 Figure 2



                   Figure 3                                                 Figure 4


Figure 1: Posterior tympanotomy after cortical mastoidectomy.

Figure 2: Implant coil showing the channels (interrupted blackened areas).

Figure 3: Insertion of coil into opening made near round window/promontory area.

Figure 4: View at completion before skin closure.


Impedance tests performed for integrity of electrode placement.


Surgery performed by Professor Prepageran Narayanan from University of Malaya Medical Centre.

Implant featured is from MED-EL (Model Sonata 100).

Right Cochlear Implant Surgery