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Related Experiment Video

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A cadaver study of mastoidectomy using an image-guided human-robot collaborative control system.

Myung Hoon Yoo1, Hwan Seo Lee2, Chan Joo Yang2

  • 1Department of Otorhinolaryngology-Head and Neck Surgery School of Medicine, Kyungpook National University Daegu Republic of Korea.

Laryngoscope Investigative Otolaryngology
|November 3, 2017
PubMed
Summary

Robot-assisted mastoidectomy is feasible, offering comparable duration to traditional methods. The system demonstrated safety, with no critical damage to vital structures, potentially aiding less experienced surgeons.

Keywords:
Mastoidectomyimage guidancenavigationrobotic surgerywarning system

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Area of Science:

  • Neurosurgery
  • Robotic Surgery
  • Otolaryngology

Background:

  • Traditional mastoidectomy techniques carry risks of damaging critical structures.
  • Advancements in robotic surgery offer potential for enhanced precision and safety in otologic procedures.

Purpose of the Study:

  • To evaluate the feasibility of a robot-assisted mastoidectomy system.
  • To assess the duration, precision, and safety of robot-assisted mastoidectomy compared to traditional methods.

Main Methods:

  • Development of a multi-degree-of-freedom robotic drill system with image guidance and a safety brake.
  • Experimental mastoidectomy performed on 11 human cadaver temporal bones.
  • Assessment of operative duration, intraoperative damage via CT, and proximity to critical structures.

Main Results:

  • Mastoidectomy duration was comparable to traditional procedures.
  • Minor damage (e.g., dura exposure) occurred, but no critical damage to the facial nerve or other vital structures was observed.
  • The robotic system maintained a safety margin, with average bone thickness of 1.22-1.55 mm near the facial nerve.

Conclusions:

  • Robot-assisted mastoidectomy is a feasible and safe surgical technique.
  • The system's safety features, including a brake and alarm, help prevent critical damage.
  • This technology may be particularly beneficial for surgeons with less experience.