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Related Experiment Video

Updated: Jul 8, 2025

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A Surface-Integrated Sensor Network for Personalized Multifunctional Catheters.

Nishant Gupta, Gerhard Kuert, Adrian Ryser

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |December 12, 2023
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a novel daisy-chainable network for active catheters, enabling more integrated sensors. This modular design enhances minimally invasive interventions by allowing personalized catheter configurations and improved sensing capabilities.

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    Area of Science:

    • Biomedical Engineering
    • Medical Device Technology
    • Minimally Invasive Surgery

    Background:

    • Advancements in minimally invasive interventions rely on multifunctional catheters with enhanced sensing and actuating capabilities.
    • Integrating numerous transducers onto catheter surfaces is hindered by complex wiring and signal multiplexing challenges.
    • A lack of modular design concepts limits personalized catheter development for specific patient needs.

    Purpose of the Study:

    • To investigate the feasibility of a simple, daisy-chainable transducer node network for active catheters.
    • To overcome limitations in transducer integration and enable modular, personalized catheter designs.
    • To assess the performance of the proposed network for bio-signal acquisition.

    Main Methods:

    • Designed and fabricated sequentially accessible transducer nodes using miniature components for catheter integration.
    • Implemented analog signal interaction and buffering within each node.
    • Examined the effective sampling rate (ESR) per node for acquiring bio-signals from a 10-node network under varying signal-to-noise ratios.

    Main Results:

    • Achieved an effective sampling rate (ESR) up to 20 kHz per node, sufficient for numerous bio-signals.
    • Demonstrated low circuit complexity enabling high sampling rates.
    • Validated the daisy-chaining capability for theoretically indefinite node extension and simple reconfiguration.

    Conclusions:

    • The proposed daisy-chainable network offers a feasible solution for integrating transducers across the entire catheter surface.
    • Modularization through simple reconfiguration allows for application and patient-specific catheter designs.
    • This approach has the potential to improve minimally invasive interventions by enhancing sensing capabilities and customization.