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Related Experiment Video

Updated: Jun 30, 2025

Author Spotlight: Revolutionizing Remote Surgery with Augmented Reality and Robotics for Enhanced Precision and Accessibility
07:46

Author Spotlight: Revolutionizing Remote Surgery with Augmented Reality and Robotics for Enhanced Precision and Accessibility

Published on: August 9, 2024

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Towards Reducing Visual Workload in Surgical Navigation: Proof-of-concept of an Augmented Reality Haptic Guidance

Gesiren Zhang1,2, Jan Bartels1, Alejandro Martin-Gomez1,3

  • 1Biomechanical- and Image-Guided Surgical Systems (BIGSS) Lab, Laboratory for Computational Sensing and Robotics, Johns Hopkins University, Baltimore, MD, USA.

Computer Methods in Biomechanics and Biomedical Engineering. Imaging & Visualization
|March 15, 2024
PubMed
Summary

Haptic feedback integrated into surgical tools guides surgeons with high accuracy, reducing reliance on visual displays. This novel approach enhances precision and frees visual attention during procedures.

Keywords:
Augmented RealityComputer Assisted InterventionsHapticsSurgical Guidance

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Area of Science:

  • Medical Technology
  • Surgical Navigation
  • Human-Computer Interaction

Background:

  • Traditional surgical navigation relies on external monitors, diverting surgeon's attention from the operative site.
  • Augmented reality offers in-situ visualization but can overload the visual field.
  • Haptic feedback presents an alternative for delivering guidance information directly through the surgical tool.

Purpose of the Study:

  • To investigate the feasibility of using haptic feedback in a surgical tool handle for guidance.
  • To reduce the cognitive and visual load on surgeons during procedures.
  • To assess the accuracy and efficiency of haptic-guided surgical tasks.

Main Methods:

  • A pilot study was conducted with six participants using a mock surgical tool with a novel haptic handle.
  • Participants performed tasks including tracing paths, pinpointing locations, and matching alignments.
  • Quantitative data (accuracy, completion time) and subjective cognitive load were collected.

Main Results:

  • Haptic guidance enabled participants to achieve sub-millimeter and sub-degree accuracy with minimal training.
  • Average error in location matching was .
  • Average error in alignment matching was ° and in rotation matching was °.

Conclusions:

  • Haptic feedback integrated into surgical tool handles is a feasible method for providing guidance.
  • This technology can significantly improve surgical accuracy and reduce visual distraction.
  • Haptic guidance holds promise for enhancing surgical precision and surgeon focus.