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Robot-Assisted Nasal Reconstruction: A Cadaveric Study.

Corey Smith1, James Fowler2, Louis Ferreira1

  • 1Department of Mechanical and Materials Engineering, The University of Western Ontario.

The Journal of Craniofacial Surgery
|March 13, 2023
PubMed
Summary
This summary is machine-generated.

Robot-assisted surgery precisely contours nasal cartilage, improving efficiency over manual methods. This innovative technique offers a faster, more accurate alternative for complex nasal reconstructions.

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Area of Science:

  • Plastic Surgery
  • Medical Robotics
  • Biomedical Engineering

Background:

  • Manual cartilage contouring for nasal reconstruction is time-intensive.
  • Robotic assistance may enhance speed and precision in surgical procedures.
  • Developing efficient methods for nasal reconstruction is crucial.

Purpose of the Study:

  • To evaluate the efficiency and accuracy of a robot-assisted methodology for contouring nasal tip cartilage.
  • To compare robot-assisted contouring times with traditional manual methods.
  • To assess the topographical accuracy of robotically carved cartilage specimens.

Main Methods:

  • Utilized an augmented robot with a spherical burring tool on 11 cadaveric rib cartilage specimens.
  • Defined carving paths using harvested cartilage (Phase 1) and performed in situ carving with 3D modeling (Phase 2).
  • Compared topographical accuracy and contouring times against manually carved specimens from prior cases.

Main Results:

  • Achieved high topographical accuracy with low root mean square error (0.40±0.15 mm in Phase 1, 0.43 mm in Phase 2) and mean absolute deviation (0.33±0.13 mm in Phase 1, 0.28 mm in Phase 2).
  • Robot-assisted contouring averaged 14-16 minutes, significantly faster than the 22±4 minutes for experienced surgeons performing manual contouring.
  • Demonstrated comparable accuracy between the two phases of robot-assisted carving.

Conclusions:

  • Robot-assisted nasal reconstruction offers superior precision and efficiency compared to manual cartilage contouring.
  • This robotic technique presents a promising and innovative solution for complex nasal reconstruction procedures.
  • Further adoption of robotic systems can potentially revolutionize reconstructive surgery outcomes.