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Computed Tomographic Characterization for Basivertebral Nerve Ablation Utilizing a Radiofrequency Multitined

Dawood Sayed1, Douglas P Beall2, Amitabh Gulati3

  • 1KU Medical Center, Kansas City, KS, USA.

Medical Devices (Auckland, N.Z.)
|September 20, 2024
PubMed
Summary

This study shows a new device can be accurately placed in the spine to ablate the basivertebral nerve (BVN), offering a promising treatment for vertebrogenic back pain.

Keywords:
Subsidioback painbasivertebral nerveelectrodeendplateradiofrequency ablationvertebrogenic pain

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Area of Science:

  • Spine surgery
  • Pain management
  • Biomedical engineering

Background:

  • Minimally invasive basivertebral nerve (BVN) ablation effectively treats vertebrogenic back pain.
  • Developing new devices is crucial for refining BVN ablation procedures.

Purpose of the Study:

  • To simulate the placement of a novel multitined expandable electrode for BVN ablation.
  • To assess the feasibility of achieving correct device tip positioning for lesion formation.

Main Methods:

  • CT scan reconstructions of 31 lumbosacral spines (L1-S1) were used.
  • Simulated intravertebral placement of a novel multitined expandable electrode in bipolar configuration.
  • Successful deployment required tip distances between 10 mm and 20 mm.

Main Results:

  • Mean tip distances ranged from 11.35 mm (L5) to 11.87 mm (L3), with no significant differences across vertebral levels.
  • 90% of simulated placements achieved acceptable tip distances (10-20 mm).
  • Significant association found between vertebral level and device angulation.

Conclusions:

  • The multitined electrode is feasible for intraosseous placement in the vertebral body.
  • This validates the device's potential for effectively ablating the BVN plexus.
  • Provides evidence for a new minimally invasive treatment for back pain.