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Augmented Reality and Human Factors Applications for the Neurosurgical Operating Room

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thesis
posted on 22.05.2021, 08:31 by Nhu Nguyen
The virtual overlay of patient-specific anatomies onto a surgical site through Augmented Reality (AR) technologies has been thought to be a potentially ideal neuronavigational system for use in neurosurgery. Although impressive and futuristic, there are many design considerations that must be taken into account, including surgeon reception, perceived utility, intuitive control and manipulation design, and overall system accuracy during surgery. To implement AR into the neurosurgical Operating Room (OR), a gradual approach of evolutionary design to ensure widespread adoption may be considered. This thesis presents a potential pathway for the introduction of AR technologies into the neurosurgical OR. The thesis is divided into three parts: incorporation of AR features into existing platforms for improved functionality and introduction of AR concepts to surgical environments, observation and evaluation of surgeon perception of AR overlays and AR headsets to inform display methods and designs, and quantification of virtual object placement accuracy in a clinical environment. The findings presented show that AR integrated systems improve OR workflow when conventional tracked tools are unavailable, user preference of AR overlays onto the surgical site change depending on operator experience level, and the placement accuracy of state-of-the-art AR head mounted displays are suitable for presurgical planning and very close to accuracy needed for surgical guidance. These three elements are key to developing a pathway for adoption of AR technologies in the OR, and help to inform designs for future headsets to assist surgeons and improve patient care.

History

Language

eng

Degree

Master of Applied Science

Program

Electrical and Computer Engineering

Granting Institution

Ryerson University

LAC Thesis Type

Thesis

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