Applier tool for intradural spinal cord implants

H. Oya, C. G. Reddy, N. S. Dahdaleh, S. Wilson, M. A. Howard*, N. D. Jeffery, M. Utz, G. T. Gillies

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


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 ergonomic handling of delicate electro-mechanical devices such as the Iowa-Patch spinal cord stimulator implant, which is aimed at overcoming certain shortcomings in the performance of standard epidural stimulator devices. The applier is approximately 14 cm long, 6 mm in diameter, made of stainless steel components, and has simple and reliable mechanisms for the attachment and release of the implant from it. We describe the design of the device, details of its construction, and its performance during in vivo testing of somatosensory evoked potentials in an ovine model of intradural spinal cord stimulation.

Original languageEnglish (US)
Pages (from-to)169-173
Number of pages5
JournalJournal of Medical Engineering and Technology
Issue number3
StatePublished - Apr 2012


  • Intradural devices
  • Neuromodulation
  • Pial surface
  • Spinal cord
  • Tissue surrogates

ASJC Scopus subject areas

  • Biomedical Engineering


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