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DESIGN PRINCIPLES OF STRETCHABLE AND COMPLIANT ELECTROMECHANICAL DEVICES FOR BIOMEDICAL APPLICATIONS

thesis
posted on 27.04.2021, 20:53 by Min Ku KimMin Ku Kim
The development of wearable devices to monitor biosignals and collect real-time data from biological systems at all scales from cellular to organ level has played a significant role in the field of medical engineering. The current coronavirus disease 2019 (COVID-19) pandemic has further increased the demand for remote monitoring and smart healthcare where patient data can be also be accessed from a remote distance. Recent efforts to integrate wearable devices with artificial intelligence and machine learning have transformed conventional healthcare into smart healthcare, which requires reliable and robust recording data. The biomedical devices that are mechanically stretchable and compliant have provided the capability to form a seamless interface with the curvilinear, soft surface of tissues and body, enabling accurate, continuous acquisition of physical and electrophysiological signals. This dissertation presents a comprehensive set of functional materials, design principles, and fabrication strategies to develop mechanically stretchable and compliant biomedical devices tailored for various applications, including (1) a stretchable sensor patch enabling the continuous monitoring of swallowing function from the submental/facial area for the telerehabilitation of patients with dysphagia, (2) a human hand-like sensory glove for advanced control of prosthetic hands, (3) a mechanically compliant manipulator for the non-invasive handling of delicate biomaterials and bioelectronics, and (4) a stretchable sensors embedded inside a tissue scaffold enabling the continuous monitoring of cellular electrophysiological behavior with high spatiotemporal resolution.

History

Degree Type

Doctor of Philosophy

Department

Biomedical Engineering

Campus location

West Lafayette

Advisor/Supervisor/Committee Chair

Dr. Chi Hwan Lee

Additional Committee Member 2

Dr. Hyowon Lee

Additional Committee Member 3

Dr. Krishna Jayant

Additional Committee Member 4

Dr. Wenzhuo Wu

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