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Percutaneous Robotics in Interventional Radiology.

Michael Swikehardt1, Janice Newsome2, Matthew Macey1

  • 1Department of Radiology, Lahey Hospital and Medical Center, Tufts University Medical School, Burlington, MA.

Techniques in Vascular and Interventional Radiology
|December 9, 2023
PubMed
Summary
This summary is machine-generated.

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This study shows robotic devices accurately place needles for CT-guided biopsies, even with moving targets. The robot

Area of Science:

  • Medical robotics
  • Image-guided interventions
  • Surgical navigation

Background:

  • Robotic systems offer potential for enhanced precision in minimally invasive procedures.
  • CT-guided interventions require accurate needle placement for effective diagnosis and treatment.
  • Target motion during procedures can compromise needle accuracy.

Purpose of the Study:

  • To evaluate the accuracy of a robotic device for trocar needle insertion in CT-guided procedures.
  • To assess the impact of target movement correction on needle placement accuracy.
  • To explore the utility of nonlinear trajectories in robotic-assisted interventions.

Main Methods:

  • Experience with a robotic device for CT-guided trocar needle insertion reported.
  • Procedures included organ biopsies in the chest, abdomen, and pelvis.
Keywords:
computed tomographyinterventional radiologypercutaneous ablationpercutaneous biopsyrobotics

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  • Needle placement accuracy was analyzed after target adjustments and compared to linear trajectories.

    • Main Results:

    • The robotic device demonstrated accurate needle placement for CT-guided biopsies.
    • Target adjustments and nonlinear trajectories did not significantly reduce accuracy compared to linear paths.
    • Robotic steering capabilities enabled real-time correction of target movement.

    Conclusions:

    • Robotic devices are accurate for CT-guided needle insertion, including biopsies.
    • The ability to correct target movement and deviate from linear paths enhances robotic procedural accuracy.
    • Robotic assistance facilitates precise interventions in the presence of target motion.