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Inheriting the Learner's View: A Google Glass-Based Wearable Computing Platform for Improving Surgical Trainee
Zachary E Brewer1, Hutchinson C Fann1, W David Ogden1
1Department of Cardiothoracic Surgery, Stanford University School of Medicine, Stanford, California.
Journal of Surgical Education
|May 4, 2016
Summary
Wearable surgical visualization systems improve trainee surgeon accuracy by allowing instructors to see the learner's viewpoint. This technology enhances surgical education without increasing task completion time.
Area of Science:
- Surgical Education
- Medical Technology
- Human Factors Engineering
Background:
- Real-time instructor visualization of trainee's operative viewpoint may enhance surgical training.
- Wearable systems can provide instructors access to otherwise blind operative field areas.
- Hypothesized that a wearable surgical visualization system could improve trainee performance.
Purpose of the Study:
- To evaluate the impact of a wearable surgical visualization system on surgical trainee performance.
- To assess the system's effect on accuracy and time to task completion.
- To gather user feedback on the system's usability and utility.
Main Methods:
- 11 surgery residents used a wearable visualization system (Google Glass with CrowdOptic software).
- Instructors viewed the learner's real-time video feed to guide needle placement in a simulated task.
- Composite error scores and time to task completion were measured; an exit questionnaire was administered.
Main Results:
- Wearable system use did not significantly alter time to task completion.
- Mean composite error score significantly decreased with system deployment, indicating improved needle placement accuracy.
- Participants found the device unobtrusive, easy to operate, and beneficial for communication.
Conclusions:
- Wearable surgical visualization systems may serve as valuable educational tools for surgical training.
- The learner's perspective, when visualized by the instructor, enhances surgical skill acquisition.
- Further research into wearable technology's efficacy in operating room settings is recommended.

