Apparatus for simulating dynamic interactions between the spinal cord and soft-coupled intradural implants

S Viljoen, H Oya, CG Reddy, BD Dalm… - Review of Scientific …, 2013 - pubs.aip.org
We have designed, built, and tested an apparatus used for investigating the biomechanical
response of a novel intradural spinal cord stimulator to the simulated physiological …

Spinal canal surrogate for testing intradural implants

H Oya, MA Howard III, R Shurig… - Journal of medical …, 2012 - Taylor & Francis
We have designed, built and tested an anthropomorphic-scale surrogate spinal canal, for
use in preliminary evaluations of the performance characteristics of a novel intradural spinal …

Soft-coupling suspension system for an intradural spinal cord stimulator: biophysical performance characteristics

H Oya, S Safayi, ND Jeffery, S Viljoen… - Journal of Applied …, 2013 - pubs.aip.org
We have characterized the mechanical compliance of an improved version of the
suspension system used to position the electrode-bearing membrane of an intradural …

Finite-element study of the performance characteristics of an intradural spinal cord stimulator

NM Grosland, GT Gillies… - Journal of …, 2014 - asmedigitalcollection.asme.org
We have used finite-element (FE) modeling to investigate the mechanical compliance,
positional stability and contact pressures associated with a novel type of spinal cord …

MR-based measurement of spinal cord motion during flexion of the spine: implications for intradural spinal cord stimulator systems

S Viljoen, CA Smittkamp, BD Dalm… - Journal of medical …, 2014 - Taylor & Francis
This study develops a means of delivering electrical stimuli directly to the pial surface of the
spinal cord for treatment of intractable pain. This intradural implant must remain in direct …

Biomechanical performance of an ovine model of intradural spinal cord stimulation

S Safayi, ND Jeffery, DC Fredericks… - Journal of medical …, 2014 - Taylor & Francis
The authors are developing a novel type of spinal cord stimulator, designed to be placed
directly on the pial surface of the spinal cord, for more selective activation of target tissues …

Biophysical attributes of an in vitro spinal cord surrogate for use in developing an intradural neuromodulation system

MA Howard, M Utz, TJ Brennan, BD Dalm… - Journal of Applied …, 2011 - pubs.aip.org
We have developed a spinal cord surrogate for use in testing a pial-surface spinal cord
stimulator. Our surrogate is of a commercially available silicone mix, has an oval cross …

Dynamic loading characteristics of an intradural spinal cord stimulator

MS Oliynyk, GT Gillies, H Oya, S Wilson… - Journal of Applied …, 2013 - pubs.aip.org
We have measured the forces that act on the electrode-bearing surface of an intradural
neuromodulator designed to be in direct contact with the pial surface of the spinal cord, as …

Development of surrogate spinal cords for the evaluation of electrode arrays used in intraspinal implants

C Cheng, J Kmech, VK Mushahwar… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
We report the development of a surrogate spinal cord for evaluating the mechanical
suitability of electrode arrays for intraspinal implants. The mechanical and interfacial …

Applier tool for intradural spinal cord implants

H Oya, CG Reddy, NS Dahdaleh, S Wilson… - Journal of medical …, 2012 - Taylor & Francis
We have designed, built and tested a novel device for placing intradural neurmodulator
implants directly on the pial surface of the spinal cord. This applier tool is designed for …