Investigation of the in-vitro loading on an artificial spinal disk prosthesis

Kyriacou, P. A., Pancholi, M. & Yeh, J. (2009). Investigation of the in-vitro loading on an artificial spinal disk prosthesis. Journal of Physics: Conference Series, 178(1), e012023. doi: 10.1088/1742-6596/178/1/012023

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Abstract

Spinal diseases imposes considerable burden to both patients and society. In recent years, much surgical efforts have been made in advancing the treatment of neck and back pain. Of particular prominence is the increasing clinical acceptance and use of intervertebral artificial disk prosthesis for the treatment of discogenic back pain. Despite this increased use of such disks, their in-vivo monitoring remains rudimentary. In an effort to develop an intelligent artificial spinal disk where the in-vivo loading of the spine can by studied for the first time an experimental set up has been created in order to initially study the in-vitro loading on an artificial disc prosthesis. Eight strain gauges and two piezoresistive sensors were used and placed suitably in the artificial disk prosthesis. The results from the in-vitro loading showed linear relationship between loading and the outputs from the sensors with good repeatability and less hysteresis.

Item Type: Article
Additional Information: Published by IOP Publishing
Subjects: R Medicine > RC Internal medicine
T Technology > TJ Mechanical engineering and machinery
Divisions: School of Engineering & Mathematical Sciences > Engineering
URI: http://openaccess.city.ac.uk/id/eprint/13354

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