Feasibility of Pediatric Robotic Cochlear Implant in Phantoms

O'Toole Bom Braga, Gabriela; Schneider, Daniel; Mueller, Fabian; Hermann, Jan; Weber, Stefan; Caversaccio, Marco (September 2019). Feasibility of Pediatric Robotic Cochlear Implant in Phantoms (Unpublished). In: CURAC. Reutligen.

Objective: To demonstrate the feasibility of robotic cochlear
implant surgery in subject specific pediatric phantoms.
Study Design: Pilot study.
Materials and Methods: Computed tomographic preoperative
encrypted data of 10 pediatric subjects (total of 20 sides)
between 8 months and 48 months old, who underwent
cochlear implant surgery were studied. Four datasets (n¼8
sides) were selected for investigation of the complete robotic
procedure including middle and inner ear access and
electrode insertion.
Results: The planning of the safe trajectory for the robotic
approach was possible in 17 of the cases. In three sides,
planning the trajectory was not possible due to the small size
of the facial recess. Bone thickness study demonstrated
average sufficient bone thickness at the site of screw
implantation in general. The complete robotic procure
including the drilling and insertion was successfully carried
out on all the created phantoms.
Conclusion: With this work we have demonstrated the
feasibility of planning and performing a robotic middle
and inner ear access and cochlear implantation (CI) in
phantom models of pediatric subjects. To develop and
validate the proposed procedure for use in children, next
stage optimization of the current surgical workflow and
adaptation of the surgical material to pediatric population is
necessary.

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