Objective: To investigate the disturbance induced in the cochlea during cochleostomy using conventional drill and a hand guided robotic drill.

Study Design: The study is based on experimental measurements using the Laser Doppler Vibrometer during the drilling processes converted to Sound Pressure Levels (SPL) for comparison.

Setting: The study is based on experimental results of three sets of cochleostomies on human cadaver heads.

Main Outcome Measure(s): Robotic drilling, in comparison to the conventional drilling method, creates a consistently lower level of disturbance in cochlea across the hearing frequency range.

Results: Robotic drilling, in comparison to the conventional drilling method, creates a consistently lower level of disturbance in cochlea across the hearing frequency range.

Conclusions: It is reasonable to conclude that robotic drilling has a lower possibility of creating acoustic trauma in cochlea that endangers the residual hearing of patients.

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Source
http://dx.doi.org/10.1097/MAO.0000000000002699DOI Listing

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