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 …

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 …

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 …

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 …

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 …

Optimization of intradural spinal cord stimulator designs via analysis of thoracic spine imaging data

S Viljoen, BD Dalm, CG Reddy, S Wilson… - Journal of Medical …, 2013 - airitilibrary.com
Axial magnetic resonance images of the thoracic spinal cord of 50 patients are analyzed in
order to measure the length of the dorsal arc span between the dorsal root entry zones for …

Comparison of spinal cord stimulation profiles from intra-and extradural electrode arrangements by finite element modelling

Q Huang, H Oya, OE Flouty, CG Reddy… - Medical & biological …, 2014 - Springer
Spinal cord stimulation currently relies on extradural electrode arrays that are separated
from the spinal cord surface by a highly conducting layer of cerebrospinal fluid. It has …

Intradural spinal cord stimulation: performance modeling of a new modality

DJ Anderson, DR Kipke, SJ Nagel… - Frontiers in …, 2019 - frontiersin.org
Introduction: Intradural spinal cord stimulation (SCS) may offer significant therapeutic
benefits for those with intractable axial and extremity pain, visceral pain, spasticity …

Prevention of mechanical failures in implanted spinal cord stimulation systems

JM Henderson, CM Schade, J Sasaki… - … : Technology at the …, 2006 - Elsevier
Introduction Spinal cord stimulation (SCS) is an effective procedure for the treatment of
neuropathic extremity pain, with success rates approaching 70%. However, mechanical …