Surgical phantom for off-pump mitral valve replacement

A. Jonathan McLeod; John Moore; Gerard M. Guiraudon; Doug L. Jones; Gordon Campbell; Terry M. Peters

doi:10.1117/12.877724

1 March 2011 Surgical phantom for off-pump mitral valve replacement

A. Jonathan McLeod, John Moore, Gerard M. Guiraudon, Doug L. Jones, Gordon Campbell, Terry M. Peters

Proceedings Volume 7964, Medical Imaging 2011: Visualization, Image-Guided Procedures, and Modeling; 796403 (2011) https://doi.org/10.1117/12.877724
Event: SPIE Medical Imaging, 2011, Lake Buena Vista (Orlando), Florida, United States

Abstract

Off-pump, intracardiac, beating heart surgery has the potential to improve patient outcomes by eliminating the need for cardiopulmonary bypass and aortic cross clamping but it requires extensive image guidance as well as the development of specialized instrumentation. Previously, developments in image guidance and instrumentation were validated on either a static phantom or in vivo through porcine models. This paper describes the design and development of a surgical phantom for simulating off-pump mitral valve replacement inside the closed beating heart. The phantom allows surgical access to the mitral annulus while mimicking the pressure inside the beating heart. An image guidance system using tracked ultrasound, magnetic instrument tracking and preoperative models previously developed for off-pump mitral valve replacement is applied to the phantom. Pressure measurements and ultrasound images confirm the phantom closely mimics conditions inside the beating heart.

Citation Download Citation

A. Jonathan McLeod, John Moore, Gerard M. Guiraudon, Doug L. Jones, Gordon Campbell, and Terry M. Peters "Surgical phantom for off-pump mitral valve replacement", Proc. SPIE 7964, Medical Imaging 2011: Visualization, Image-Guided Procedures, and Modeling, 796403 (1 March 2011); https://doi.org/10.1117/12.877724

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