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Bioinspired Soft Robot with Incorporated Microelectrodes

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Published on: February 28, 2020

Design, Testing, and Validation of a Soft Robotic Sensor Array Integrated with Flexible Electronics for Mapping

Abdellatif Ait Lahcen¹, Michael Labib¹, Alexandre Caprio¹

¹Dalio Institute of Cardiovascular Imaging, Department of Radiology, Weill Cornell Medicine, New York, NY 10021, USA.

|November 27, 2024

Summary

This study introduces a novel 64-electrode soft robotic catheter for cardiac mapping. The device offers improved electrode coverage and conformability, enhancing electrogram acquisition for arrhythmia diagnosis and treatment.

Keywords:

cardiac mapping catheter flexible printed circuit board (PCB)minimally invasive procedure soft robotic sensor arrays

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Last Updated: Jun 6, 2025

Bioinspired Soft Robot with Incorporated Microelectrodes

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Published on: February 28, 2020

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Published on: April 11, 2025

Conformable Wearable Electrodes: From Fabrication to Electrophysiological Assessment

Conformable Wearable Electrodes: From Fabrication to Electrophysiological Assessment

Published on: July 22, 2022

Area of Science:

Biomedical Engineering
Cardiovascular Research
Robotics in Medicine

Background:

Current cardiac mapping techniques have limitations in electrode coverage, anatomical conformity, and cost.
Accurate electrophysiological data is essential for diagnosing and treating cardiac arrhythmias.

Purpose of the Study:

To design, test, and validate a 64-electrode soft robotic catheter for enhanced cardiac mapping.
To address the limitations of existing cardiac mapping technologies with a conformable, high-density electrode system.

Main Methods:

Development of a dual-layer flexible printed circuit board (PCB) integrated into a soft robotic sensor array (SRSA).
In vitro testing of the SRSA for mechanical integrity, electrode contact, and environmental resilience.
In vivo validation using a porcine model to assess deployment, conformability, and electrogram acquisition.

Main Results:

The soft robotic sensor array (SRSA) demonstrated successful deployment and anatomical conformity in a porcine model.
High-density electrode array enabled rapid 2-second data acquisition with detailed spatial and temporal resolution.
Clear and consistent cardiac signals were recorded across all electrodes, validating the system's performance.

Conclusions:

The catheter-deployable SRSA represents a significant advancement in integrating soft robotics and stretchable electronics for clinical cardiac mapping.
This technology offers improved performance for detailed cardiac mapping to guide ablation therapy and other interventions.
Future work will focus on further refining anatomically conformable devices for clinical applications.