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A Virtual Reality Simulator for Remote Interventional Radiology: Concept and Prototype Design

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7 Author(s)
Ma Xin ; Bioimaging Consortium, Biomed. Imaging Lab., Singapore ; Zhao Lei ; Volkau, I. ; Zheng Weili
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We present a virtual reality simulator to realize interventional radiology (IR) procedures remotely. The simulator contains two subsystems: one at the local site and the other at the remote site. At the local site, the interventional radiologist interacts with a three-dimensional (3-D) vascular model extracted from the patient's data and inserts IR devices through the Motion Tracking Box (MTB), which converts physical motion (translation and rotation) of IR devices into digital signal. This signal is transferred to the Actuator Box (AB) at the remote site that drives the IR devices in the patient. The status of the IR devices is subsequently fed back to the local site and displayed on the vascular model. To prove the concept, the prototype developed employs a physical angiography phantom (mimicking the patient) and its corresponding 3-D digital model. A magnetic tracking system provides information about positioning of the IR devices in the phantom. The initial results are encouraging. The AB controlled remotely drives IR devices with resolution of 0.00288 mm/step in translation and 0.079 deg/step in rotation

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Biomedical Engineering, IEEE Transactions on  (Volume:53 ,  Issue: 8 )