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Title: Measurement of forces at the tip of a cochlear implant during insertion.
Authors: Wade, Scott
Fallon, James
Wise, Andrew
Shepherd, Robert
James, Natalie
Stoddart, Paul
Keywords: Cochlear Implant
Force Measurement
Optical Fiber Sensor
Cochlear Trauma
Issue Date: 2-Jan-2014
Publisher: IEEE
Citation: Wade, S. A., Fallon, J. B., Wise, A. K., Shepherd, R. K., James, N. L. & Stoddart, P. R. (2014) Measurement of forces at the tip of a cochlear implant during insertion. IEEE Trans Biomed Eng. Volume PP, Issue 99, pp.1-10.
Abstract: An optical fiber based sensor has been developed to measure the forces at the tip of an electrode array during insertion into the cochlea. The sensor, utilizing optical fiber Bragg grating technology, was incorporated into a custom designed Pt-banded electrode array for guinea pigs. In vivo experiments were undertaken in which forces at the tip of the array were measured in real time during the insertion. Data was obtained for maximum insertion forces of up to 254 mN. Histology was performed on the excised cochleae with the sensors fixed in position to evaluate the level of insertion trauma. The insertion experiments demonstrated a clear correlation between applied force and collateral tissue damage.
URI: http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=6697832&url=http%3A%2F%2Fieeexplore.ieee.org%2Fstamp%2Fstamp.jsp%3Ftp%3D%26arnumber%3D6697832
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