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Related Experiment Videos

Percutaneous discectomy using the electromagnetic field focusing probe. A feasibility study.

A A Patil1, F J Hahn, A D Spanta

  • 1Department of Surgery, University of Nebraska Medical Center, Omaha.

International Surgery
|January 1, 1991
PubMed
Summary

The electromagnetic field (EFF) probe precisely targets tissue, causing intense heat for vaporization. This technology successfully vaporized 70-80% of disc nucleus in animal studies.

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Area of Science:

  • Biomedical Engineering
  • Minimally Invasive Surgery

Background:

  • Electromagnetic field (EFF) technology offers precise tissue interaction.
  • Focused eddy currents can generate localized intense heat for tissue ablation.

Purpose of the Study:

  • To evaluate the efficacy of a novel EFF probe for precise tissue vaporization.
  • To assess the feasibility of using the EFF probe for disc vaporization in an in vivo model.

Main Methods:

  • An EFF probe designed for focused eddy current generation was utilized.
  • The probe was inserted into intervertebral discs of three pigs for vaporization.
  • Histological analysis of transverse sections was performed to evaluate the extent of vaporization.

Main Results:

Related Experiment Videos

  • The EFF probe demonstrated the ability to sharply focus eddy currents, producing intense localized heat.
  • Successful vaporization of 70-80% of the nucleus pulposus was achieved in four treated discs.
  • The probe's small and potentially flexible nature facilitated navigation and targeted ablation within the disc space.

    • Conclusions:

    • The EFF probe is effective for precise tissue vaporization, particularly for disc material.
    • This technology shows promise for minimally invasive procedures requiring targeted ablation within anatomical structures.