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Updated: Nov 27, 2025

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Navigation-assisted anchor insertion in shoulder arthroscopy: a validity study.

Kyunghwa Jung1, Hyojune Kim2, Erica Kholinne2,3

  • 1Department of Robotics Engineering, DGIST, Daegu, Republic of Korea.

BMC Musculoskeletal Disorders
|December 6, 2020
PubMed
Summary

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This summary is machine-generated.

Navigation-assisted arthroscopic rotator cuff repair improves anchor insertion accuracy for both novice and expert surgeons. This system enhances reproducibility, guiding inexperienced surgeons to achieve expert-level performance in anchor placement.

Area of Science:

  • Orthopedic Surgery
  • Surgical Navigation
  • Biomedical Engineering

Background:

  • Rotator cuff repair is a common orthopedic procedure.
  • Accurate anchor screw insertion is critical for successful rotator cuff repair.
  • Conventional arthroscopic techniques may present challenges for precise anchor placement.

Purpose of the Study:

  • To compare the effectiveness of conventional versus navigation-assisted arthroscopic rotator cuff repair.
  • To evaluate anchor screw insertion accuracy and reproducibility.
  • To assess the impact of a navigation system on surgeon experience levels.

Main Methods:

  • A phantom surgical model and cadaveric shoulders were used for comparison.
  • Five surgeons (3 experts, 2 novices) performed anchor insertion tasks.
Keywords:
Motion analysisNavigation assistedShoulder arthroscopySuture anchor

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  • Motion analysis tracked hand movements; anchor insertion angle repeatability and reproducibility were measured.

    • Main Results:

    • No significant differences in surgical time or movement metrics were observed in the phantom model.
    • In cadaveric experiments, the navigation system significantly improved anchor insertion angle reproducibility for all surgeons.
    • The navigation-assisted system resulted in an average angle error of less than 2° (P=0.0002).

    Conclusions:

    • The navigation-assisted system enhances arthroscopic rotator cuff repair by improving anchor insertion accuracy.
    • It allows both novice and experienced surgeons to achieve high levels of precision and reproducibility.
    • This technology offers valuable guidance for suture anchor placement, particularly for less experienced surgeons.