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21 March 2007 An augmented reality environment for image-guidance of off-pump mitral valve implantation
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Abstract
Clinical research has been rapidly evolving towards the development of less invasive surgical procedures. We recently embarked on a project to improve intracardiac beating heart interventions. Our novel approach employs new surgical technologies and support from image-guidance via pre-operative and intra-operative imaging (i.e. two-dimensional echocardiography) to substitute for direct vision. Our goal was to develop a versatile system that allowed for safe cardiac port access, and provide sufficient image-guidance with the aid of a virtual reality environment to substitute for the absence of direct vision, while delivering quality therapy to the target. Specific targets included the repair and replacement of heart valves and the repair of septal defects. The ultimate objective was to duplicate the success rate of conventional open-heart surgery, but to do so via a small incision, and to evaluate the efficacy of the procedure as it is performed. This paper describes the software and hardware components, along with the methodology for performing mitral valve replacement as one example of this approach, using ultrasound and virtual tool models to position and fasten the valve in place.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Christian Linte, Andrew D. Wiles, Nick Hill, John Moore, Chris Wedlake, Gerard Guiraudon, Doug Jones, Daniel Bainbridge, and Terry M. Peters "An augmented reality environment for image-guidance of off-pump mitral valve implantation", Proc. SPIE 6509, Medical Imaging 2007: Visualization and Image-Guided Procedures, 65090N (21 March 2007); doi: 10.1117/12.711041; https://doi.org/10.1117/12.711041
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