Experiments with scala-tympani (ST) phantoms are used to evaluate new electrode arrays and cochlear-implant insertion techniques. To date, phantoms have not accounted for clinical orientations and geometric differences between round-window (RW) insertions and anteroinferior cochleostomy insertions. For improved assessments of insertion experiments, we present a scala-tympani phantom that offers three distinct benefits over previous phantoms: it mimics the standard otologic position, it accommodates for both round-window and anteroinferior cochleostomy insertions, and it incorporates a visual coordinate system based on industry consensus making standardized angular measurements possible.
Scala-Tympani Phantom With Cochleostomy and Round-Window Openings for Cochlear-Implant Insertion Experiments
Manuscript received January 7, 2014; final manuscript received May 1, 2014; published online August 19, 2014. Assoc. Editor: Rafael V. Davalos.
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Leon, L., Cavilla, M. S., Doran, M. B., Warren, F. M., and Abbott, J. J. (August 19, 2014). "Scala-Tympani Phantom With Cochleostomy and Round-Window Openings for Cochlear-Implant Insertion Experiments." ASME. J. Med. Devices. December 2014; 8(4): 041010. https://doi.org/10.1115/1.4027617
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