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Automatic patient positioning based on robot rotational workspace for extended reality.

Marek Żelechowski1, Balázs Faludi2, Murali Karnam3

  • 1Center for medical Image Analysis & Navigation (CIAN), Department of Biomedical Engineering, University of Basel, Basel, Switzerland. marek.zelechowski@unibas.ch.

International Journal of Computer Assisted Radiology and Surgery
|June 9, 2023
PubMed
Summary

This study introduces an automated system for robotic arm positioning in multi-port surgery, reducing setup time and improving efficiency for surgeons. The augmented reality system optimizes robot placement for complex procedures.

Keywords:
Augmented realityComputer-assisted surgeryPatient positioning

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Area of Science:

  • Minimally Invasive Surgery
  • Robotics in Medicine
  • Surgical Navigation

Background:

  • Accurate robotic system positioning is critical for surgical success, especially in multi-port interventions.
  • Current manual positioning is time-consuming and requires significant surgeon experience.
  • This poses a barrier to entry for surgeons in training.

Purpose of the Study:

  • To develop an automated algorithm for real-time robotic arm positioning for multiple ports.
  • To extend previous augmented reality (AR) systems for single-port interventions to multi-port scenarios.
  • To reduce the complexity and time associated with surgical robotic setup.

Main Methods:

  • Implemented a novel algorithm utilizing rotational workspace data and trocar locations.
  • Integrated calculations for optimal robotic arm positioning into virtual reality (VR) and AR setups.
  • System processes positional data in milliseconds and rotational data in seconds.

Main Results:

  • The system successfully calculates optimal robotic arm positions for multi-port setups.
  • Achieved rapid calculation times for both positional and rotational workspace optimization.
  • Demonstrated feasibility in both VR for preoperative planning and AR for intraoperative use.

Conclusions:

  • The enhanced system supports multi-port procedures, broadening its applicability.
  • Automated positioning significantly decreases surgical setup time.
  • The solution is adaptable for both preoperative planning (VR) and intraoperative guidance (AR).