Model predictive control of a robotically actuated delivery sheath for beating heart compensation

Gustaaf J. Vrooijink* (Corresponding Author), Alper Denasi, Jan G. Grandjean, Sarthak Misra

*Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review

    3 Citations (Scopus)
    14 Downloads (Pure)

    Abstract

    Minimally invasive surgery (MIS) during cardiovascular interventions reduces trauma and enables the treatment of high-risk patients who were initially denied surgery. However, restricted access, reduced visibility and control of the instrument at the treatment locations limits the performance and capabilities of such interventions during MIS. Therefore, the demand for technology such as steerable sheaths or catheters that assist the clinician during the procedure is increasing. In this study, we present and evaluate a robotically actuated delivery sheath (RADS) capable of autonomously and accurately compensating for beating heart motions by using a model-predictive control (MPC) strategy. We develop kinematic models and present online ultrasound segmentation of the RADS that are integrated with the MPC strategy. As a case study, we use pre-operative ultrasound images from a patient to extract motion profiles of the aortic heart valve (AHV). This allows the MPC strategy to anticipate for AHV motions. Further, mechanical hysteresis in the steering mechanism is compensated for in order to improve tip positioning accuracy. The novel integrated system is capable of controlling the articulating tip of the RADS to assist the clinician during cardiovascular surgery. Experiments demonstrate that the RADS follows the AHV motion with a mean positioning error of 1.68 mm. The presented modelling, imaging and control framework could be adapted and applied to a range of continuum-style robots and catheters for various cardiovascular interventions.

    Original languageEnglish
    Pages (from-to)193-209
    Number of pages17
    JournalInternational journal of robotics research
    Volume36
    Issue number2
    DOIs
    Publication statusPublished - 1 Feb 2017

    Fingerprint

    Model predictive control
    Model Predictive Control
    Cardiovascular surgery
    Minimally Invasive Surgery
    Control Strategy
    Motion
    Catheters
    Surgery
    Cardiovascular Surgery
    Positioning
    Ultrasonics
    Ultrasound Image
    Kinematic Model
    Integrated System
    Ultrasound
    Visibility
    Hysteresis
    Kinematics
    Continuum
    Segmentation

    Keywords

    • beating heart compensation
    • Model predictive control
    • robotically actuated delivery sheath
    • ultrasound guided-control

    Cite this

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    abstract = "Minimally invasive surgery (MIS) during cardiovascular interventions reduces trauma and enables the treatment of high-risk patients who were initially denied surgery. However, restricted access, reduced visibility and control of the instrument at the treatment locations limits the performance and capabilities of such interventions during MIS. Therefore, the demand for technology such as steerable sheaths or catheters that assist the clinician during the procedure is increasing. In this study, we present and evaluate a robotically actuated delivery sheath (RADS) capable of autonomously and accurately compensating for beating heart motions by using a model-predictive control (MPC) strategy. We develop kinematic models and present online ultrasound segmentation of the RADS that are integrated with the MPC strategy. As a case study, we use pre-operative ultrasound images from a patient to extract motion profiles of the aortic heart valve (AHV). This allows the MPC strategy to anticipate for AHV motions. Further, mechanical hysteresis in the steering mechanism is compensated for in order to improve tip positioning accuracy. The novel integrated system is capable of controlling the articulating tip of the RADS to assist the clinician during cardiovascular surgery. Experiments demonstrate that the RADS follows the AHV motion with a mean positioning error of 1.68 mm. The presented modelling, imaging and control framework could be adapted and applied to a range of continuum-style robots and catheters for various cardiovascular interventions.",
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    Model predictive control of a robotically actuated delivery sheath for beating heart compensation. / Vrooijink, Gustaaf J. (Corresponding Author); Denasi, Alper; Grandjean, Jan G.; Misra, Sarthak.

    In: International journal of robotics research, Vol. 36, No. 2, 01.02.2017, p. 193-209.

    Research output: Contribution to journalArticleAcademicpeer-review

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