The University of Alberta team in Canada developed the Augmented Reality (AR) system called ProjectDR, which displays medical images such as computed tomography (CT) scans and magnetic resonance imaging (MRI) directly on the patient's body. The doctor can grasp the internal anatomy of the patient's body in real time without using a knife.
According to the report, ProjectDR was jointly developed by Ian Watts, a computer science student at the University of Alberta, Canada, and his fellow Michael Fiest. The system includes an action tracking system that utilizes an infrared lens and a volume label on the patient's body, as well as a projector for displaying images.
Watts explained that the really difficult part is that the patient can still accurately track the image on his body while moving. To solve this problem, Watts developed custom software that would let all components work together.
There are many applications for this technology, including teaching, physical therapy, laparoscopic surgery, and even surgical planning. ProjectDR can also render segmented images. For example, only the lungs or blood vessels are shown, and everything depends on what the clinician wants to see. Watts is working to improve ProjectDR, wants to improve the system's automatic calibration, and add components such as depth sensors.
The research project director, Professor Pierre Boulanger of the University of Alberta's Department of Computing Science, said the next step is to test the feasibility of the program in a clinical setting. They will soon deploy ProjectDR in the operating room of the Surgery Simulation Lab to test the strengths and weaknesses of real surgical applications.
Co-director Greg Kawchuk said that they are also conducting a pilot study to test the application of the system in the teaching of chiropractic and physical therapy procedures. After completing these pilot studies, the system should be deployed soon in a real surgical trial study. The team presented ProjectDR at the Virtual Reality (VR) Software and Technology Symposium in Gothenburg, Sweden, in November 2017.
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