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Design and Simulation Analysis of a Robot-Assisted Gait Trainer with the PBWS System.

Jiancheng Charles Ji1, Yufeng Wang2, Guoqing Zhang2

  • 1Institute of Intelligent Manufacturing, Shenzhen Polytechnic, 4089 Shahe West Road, Shenzhen 518055, China.

Journal of Healthcare Engineering
|November 25, 2021
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Summary

This study introduces a new robot-assisted gait trainer (RGT) for lower limb rehabilitation in elderly and pediatric patients with neurological impairments. The RGT enhances patient mobility and quality of life through advanced robotic assistance.

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Area of Science:

  • Robotics
  • Rehabilitation Engineering
  • Biomedical Engineering

Background:

  • Growing need for effective lower limb rehabilitation solutions for elderly and pediatric neurological patients.
  • Limitations of traditional rehabilitation methods in providing consistent and adaptable support.

Purpose of the Study:

  • To present a novel robot-assisted gait trainer (RGT) for lower limb rehabilitation.
  • To enhance the quality of life for patients with neurological impairments through improved gait training.

Main Methods:

  • Development of a robot-assisted gait trainer with three active degrees of freedom per leg.
  • Integration of a partial body weight support (PBWS) system and a bipedal end-effector (BE).
  • Establishment of kinematic and static models for performance analysis.

Main Results:

  • Analysis of reachable workspace and motion trajectory to ensure natural gait cycle implementation.
  • Demonstration of multiple training modes and optimized functional design.
  • Preliminary results confirm the usability and effectiveness of the RGT.

Conclusions:

  • The novel RGT shows significant potential in assisting lower limb rehabilitation for target patient groups.
  • The robot's design facilitates natural gait patterns and improves patient quality of life.
  • Further research and clinical validation are warranted to fully explore the RGT's capabilities.