A Virtual Reality (VR)-based Immersive Simulator for Endoscopy Training

Shanthanu Chakravarthy received the award for the research project "A Virtual Reality (VR)-based Immersive Simulator for Endoscopy Training". He carried his research work under the guidance of Prof. G. K. Ananthasuresh, Department of Biomedical Engineering, Indian Institute of Science, Bengaluru.

Virtual Reality (VR) together with haptics offers an immersive and flexible platform for training doctors in medical procedures. In this project, a VR-based endoscopy simulator together with the force-feedback system is developed. Endoscopy is minimally invasive and is used as an important diagnostic tool to detect abnormal tissues, ulcers, tumours, polyps, cancers, etc. Gastrointestinal (GI) endoscopy, including colonoscopy, is a complex procedure involving a high degree of hand-eye coordination.

These procedures are generally carried out by highly skilled clinicians. In order to practice endoscopy safely, a training system that does not involve patients is deemed important. VR-based training system developed in this work has many advantages. It is economical over a long run and usable any number of times; the training model can be changed and designed as per requirements including the incorporation of in-situ cases. It can be used for quantitatively assessing skill as recorded training sessions can be used for identifying mistakes. The developed endoscopy simulator also has many novel features. It consists of a three Degree of Freedom (DoF) haptic device, force models for real-time interaction, computer graphic models for visualization, and an ins t rumented endoscope for reali s tic interactions.Shanthanu Chakravarthy3

All the units of the simulator are uniquely integrated to provide immersive endoscopy s imulation. The device is kinematically designed to mimic real endoscopy. Furthermore, the endoscopy simulator developed in this project has the potential for extension to other interventional procedures such as colonoscopy, bronchoscopy, and endovascular training.

Dr. Francis Gurry Director General of the World Intellectual Property Organization (WIPO) honored Dr. Vikram Singh, Department of Chemistry, Indian Institute of Technology, Madras, with the prestigious BIRAC-SRISTI Gandhian Young Technological Innovation (GYTI) Award 2017 at Rashtrapati Bhavan.​

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