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Wireless Magnetic Robot for Precise Hierarchical Control of Tissue Deformation
Chao Wang1, Zhi Zhao1, Joonsu Han2
1Department of Civil and Environmental Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA.
Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|July 23, 2024
Summary
New wireless soft robots offer precise mechanotherapy for tissue repair. These magneto-active robots provide remote, programmable control for targeted tissue deformation and force application.
Area of Science:
- Biomedical Engineering
- Robotics
- Tissue Engineering
Background:
- Mechanotherapy shows promise for tissue injury treatment.
- Current mechanotherapy robots lack wireless control and diverse motion capabilities.
Purpose of the Study:
- To develop wireless magneto-active soft robots for advanced mechanotherapy.
- To enable precise, programmable tissue deformation and force application.
Main Methods:
- Topology optimization and hybrid fabrication techniques were employed.
- Robots were designed for hierarchical tissue-robot interaction and customized for different tissue types.
- Remote magnetic actuation controlled robot deformations and force delivery.
Main Results:
- Wireless magneto-active soft robots achieved programmatic deformations under remote magnetic actuation.
- Robots delivered precise compressing, stretching, shearing, and multimodal forces to tissues.
- Customized robots induced accurate deformations in porcine muscle, liver, and heart tissues with high durability.
Conclusions:
- The developed soft robots offer a new platform for next-generation mechanotherapy.
- The design framework allows for customized robots tailored to specific tissue properties.
- This approach provides precise and predictable mechanical forces for tissue treatment.
