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Smart Glasses for Neurosurgical Navigation by Augmented Reality
Keisuke Maruyama1, Eiju Watanabe2, Taichi Kin3
1Department of Neurosurgery, Kyorin University School of Medicine, Mitaka-City, Japan.
Operative Neurosurgery (Hagerstown, Md.)
|January 27, 2018
Summary
Smart glasses enable hands-free augmented reality (AR) neurosurgical navigation. This technology accurately overlays 3D brain tumor graphics onto the surgeon's view, improving surgical precision.
Area of Science:
- Neurosurgery
- Medical Technology
- Augmented Reality
Background:
- Wearable devices with heads-up displays, such as smart glasses, can overlay images onto a wearer's field of vision.
- This heads-up display technology has not been previously applied to surgical navigation.
Purpose of the Study:
- To evaluate the feasibility and precision of using smart glasses for augmented reality (AR)-based neurosurgical navigation.
Main Methods:
- Smart glasses were utilized for AR neurosurgical navigation, overlaying 3D graphics from MRI scans.
- Optical markers and motion capture cameras ensured accurate, real-time tracking of the smart glasses relative to the patient's head.
- The system's accuracy was validated using a phantom model before application in two brain tumor patients.
Main Results:
- Successful stereoscopic visualization of 3D graphics via smart glasses was achieved in both phantom and patient studies.
- Hands-free navigation was functional from all angles and distances within the surgical field.
- Phantom targeting error ranged from 0.2 to 8.1 mm (mean 3.1 mm), while intraoperative error in patients ranged from 0.6 to 4.9 mm (mean 2.1 mm).
Conclusions:
- Smart glasses provide a viable platform for hands-free, AR-based neurosurgical navigation.
- The technology allows clear visualization of stereoscopic computer graphics, aligning with the surgical field during operations.
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