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Wireless Battery-free and Fully Implantable Organ Interfaces
Aman Bhatia1, Jessica Hanna1, Tucker Stuart1
1Department of Biomedical Engineering, The University of Arizona, Tucson, Arizona 85721, United States.
Chemical Reviews
|February 21, 2024
Summary
Fully implantable, battery-free organ interfaces offer high-fidelity physiological monitoring and control. These advanced devices enable personalized digital medicine with seamless integration and imperceptible operation.
Area of Science:
- Biomedical Engineering
- Materials Science
- Medical Devices
Background:
- Soft materials, miniaturized electronics, and battery-free power are enabling new implantable organ interfaces.
- Eliminating electrochemical power storage allows for volumetric reduction and soft mechanics.
Purpose of the Study:
- To provide a comprehensive overview of battery-free organ interfaces.
- To highlight advancements in materials, electronics, and power for implantable devices.
- To discuss implantation, delivery, sterilization, and user acceptance.
Main Methods:
- Review of existing literature and state-of-the-art examples.
- Analysis of material, electrophysical, electrochemical, and electromagnetic systems.
- Examination of device integration, computation, and power strategies.
Main Results:
- Development of implantables with mechanical properties matched to target organs.
- High-fidelity sensing, stimulation, and organ control capabilities.
- Potential for personalized digital medicine and therapeutic paradigms.
Conclusions:
- Battery-free organ interfaces represent a significant advancement in implantable technology.
- These devices offer enhanced control, longevity, and integration for medical applications.
- Future strategies focus on interconnection and advanced computation for elevated functionality.
