Surgical phantom for off-pump mitral valve replacement

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Proceedings titleProgress in Biomedical Optics and Imaging - Proceedings of SPIE
ConferenceMedical Imaging 2011: Visualization, Image-Guided Procedures, and Modeling, 13 February 2011 through 15 February 2011, Lake Buena Vista, FL
Article number796403
SubjectAortic cross clamping; Beating heart; Beating heart surgery; Cardiac surgery; Cardiopulmonary bypass; Design and Development; Image guidance systems; Image guidances; Image guided surgery; In-vivo; Mitral annulus; Mitral valves; Porcine models; Preoperative models; Surgical phantom; Ultrasound images; Cardiovascular surgery; Heart; Instruments; Pumps; Transplantation (surgical); Ultrasonics; Visualization; Medical imaging
AbstractOff-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. © 2011 SPIE.
Publication date
AffiliationNational Research Council Canada (NRC-CNRC); NRC Industrial Materials Institute (IMI-IMI)
Peer reviewedYes
NPARC number21271304
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Record identifier378b91fb-e96a-48e7-b838-58a6aa07d33b
Record created2014-03-24
Record modified2016-05-09
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