Journal
ANNALS OF BIOMEDICAL ENGINEERING
Volume 50, Issue 12, Pages 1846-1856Publisher
SPRINGER
DOI: 10.1007/s10439-022-03000-4
Keywords
Surgical telementoring; Skin cancer; Augmented reality; Orthotopic image projection
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Telemedicine has the potential to overcome unequal distribution of medical resources worldwide. The second-generation co-axial projective imaging (CPI-2) system has been developed for augmented reality surgical telementoring and has shown promising performance in benchtop experiments and skin cancer surgery.
Telemedicine has the potential to overcome the unequal distribution of medical resources worldwide. In this study, we report the second-generation co-axial projective imaging (CPI-2) system featured with orthotopic image projection for augmented reality surgical telementoring. The CPI-2 system can acquire surgical scene images from the local site, transmit them wirelessly to the remote site, and project the virtual annotations drawn by a remote expert with great accuracy to the surgical field. The performance characteristics of the CPI-2 system are quantitatively verified in benchtop experiments. The ex vivo study that compares the CPI-2 system and a monitor-based telementoring system shows that the CPI-2 system can reduce the focus shift and avoid subjective mapping of the instructions from a monitor to the real-world scene, thereby saving operation time and achieving precise teleguidance. The clinical feasibility of the CPI-2 system is validated in teleguided skin cancer surgery. Our ex vivo and in vivo experiment results imply the improved performance of surgical telementoring, and the clinical utility of deploying the CPI-2 system for surgical interventions in resource-limited settings. The CPI-2 system has the potential to reduce healthcare disparities in remote areas with limited resources.
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