18 March 2015 Beating heart mitral valve repair with integrated ultrasound imaging
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Abstract
Beating heart valve therapies rely extensively on image guidance to treat patients who would be considered inoperable with conventional surgery. Mitral valve repair techniques including the MitrClip, NeoChord, and emerging transcatheter mitral valve replacement techniques rely on transesophageal echocardiography for guidance. These images are often difficult to interpret as the tool will cause shadowing artifacts that occlude tissue near the target site. Here, we integrate ultrasound imaging directly into the NeoChord device. This provides an unobstructed imaging plane that can visualize the valve lea ets as they are engaged by the device and can aid in achieving both a proper bite and spacing between the neochordae implants. A proof of concept user study in a phantom environment is performed to provide a proof of concept for this device.
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A. Jonathan McLeod, A. Jonathan McLeod, John T. Moore, John T. Moore, Terry M. Peters, Terry M. Peters, } "Beating heart mitral valve repair with integrated ultrasound imaging", Proc. SPIE 9415, Medical Imaging 2015: Image-Guided Procedures, Robotic Interventions, and Modeling, 941504 (18 March 2015); doi: 10.1117/12.2082414; https://doi.org/10.1117/12.2082414
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