A Beating Heart Testbed for the Evaluation of Robotic Cardiovascular Interventions

Gustaaf J. Vrooijink, Hassna Irzan, Sarthak Misra

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    Abstract

    The improved natural hemodynamics offered by mitral valve (MV) repair strategies aims to prevent heart failure and to minimize the use of long-term anticoagulant. This combined with the reduced patient trauma offered by minimally invasive surgical (MIS) interventions, requires an increase in capabilities of MIS MV repair. The use of robotic catheters have been described in MIS applications such as navigational tasks, ablation and MV repair. The majority of the robotic catheters are evaluated in testbeds capable of partially mimicking the cardiac environment (e.g., beating heart motion or relevant anatomy), while the validation of robotic catheters in a clinical scenario is associated with significant preparation time and limited availability. Therefore, continuous catheter development could be aided by an accessible and available testbed capable of reproducing beating heart motions, circulation and the relevant anatomy in MIS cardiovascular interventions. In this study, we contribute a beating heart testbed for the evaluation of robotic catheters in MIS cardiovascular interventions. Our work describes a heart model with relevant interior structures and an integrated realistic MV model, which is attached to a Stewart platform in order to reproduce the beating heart motions based on pre-operative patient data. The beating heart model is extended with an artificial aortic valve, a systemic arterial model, a venous reservoir and a pulsatile pump to mimic the systemic circulation. Experimental evaluation showed systemic circulation and beating heart motion reproduction for 70 BPM with a mean absolute distance error of 1.26 mm, while a robotic catheter in the heart model is observed by ultrasound imaging and electromagnetic position tracking. Therefore, the presented testbed is capable of evaluating MIS robotic cardiovascular interventions such as MV repair, navigation tasks and ablation.

    Original languageEnglish
    Title of host publicationBIOROB 2018
    Subtitle of host publication7th IEEE International Conference on Biomedical Robotics and Biomechatronics
    Place of PublicationPiscataway, NJ
    PublisherIEEE Computer Society
    Pages1076-1082
    Number of pages7
    ISBN (Electronic)978-1-5386-8183-1
    ISBN (Print)978-1-5386-8184-8
    DOIs
    Publication statusPublished - 9 Oct 2018
    Event7th IEEE RAS & EMBS International Conference on Biomedical Robotics and Biomechatronics, BioRob 2018
    : High Tech Human Touch
    - University Campus, Enschede, Netherlands
    Duration: 26 Aug 201829 Aug 2018
    Conference number: 7
    https://www.biorob2018.org/

    Conference

    Conference7th IEEE RAS & EMBS International Conference on Biomedical Robotics and Biomechatronics, BioRob 2018
    Abbreviated titleBioRob
    CountryNetherlands
    CityEnschede
    Period26/08/1829/08/18
    Internet address

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  • Cite this

    Vrooijink, G. J., Irzan, H., & Misra, S. (2018). A Beating Heart Testbed for the Evaluation of Robotic Cardiovascular Interventions. In BIOROB 2018: 7th IEEE International Conference on Biomedical Robotics and Biomechatronics (pp. 1076-1082). [8487725] Piscataway, NJ: IEEE Computer Society. https://doi.org/10.1109/BIOROB.2018.8487725