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Summary
This summary is machine-generated.

Augmented reality (AR) in image-guided surgery (IGS) offers intuitive guidance by overlaying patient imaging directly onto the surgical field. This system shows promise for improving surgical interventions, despite a slight increase in mean error.

Keywords:
HoloLensaugmented realitybiomedical engineeringimage-guided surgerymaxillofacial surgeryneurosurgery

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Area of Science:

  • Medical Technology
  • Surgical Navigation
  • Computer-Assisted Surgery

Background:

  • Conventional image-guided surgery (IGS) systems require surgeons to shift focus between the patient and a 2D screen, potentially leading to errors.
  • Augmented reality (AR) presents a potential solution by overlaying critical image data directly onto the surgical field, enhancing visualization.

Purpose of the Study:

  • To develop and evaluate an AR-based IGS system using the Microsoft HoloLens and an optical navigation system.
  • To determine the accuracy of the integrated AR-IGS system and assess the impact of AR visualization on surgical guidance.

Main Methods:

  • An AR-based IGS system was created by combining the Microsoft HoloLens head-mounted display with an optical navigation system.
  • Experiments were conducted on a phantom model to measure the system's accuracy and the effect of AR integration.

Main Results:

  • The complete AR-IGS system achieved a mean Euclidean distance error of 2.3 mm, with a maximum error of 3.5 mm.
  • Incorporating AR visualization into a conventional system resulted in an increase of 1.6 mm in the mean error.

Conclusions:

  • The developed AR-IGS system offers a promising solution to the focus-switching problem in conventional IGS.
  • AR guidance provides a more intuitive surgical experience, with potential for broad application pending further error reduction and visualization optimization.