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The i-Walk Lightweight Assistive Rollator: First Evaluation Study
George Moustris1, Nikolaos Kardaris1, Antigoni Tsiami1
1School of Electrical and Computer Engineering, National Technical University of Athens (NTUA), Athens, Greece.
Frontiers in Robotics and AI
|October 4, 2021
Summary
The i-Walk intelligent robotic rollator provides cognitive and mobility assistance. A clinical study found the assistive device performed well and was viewed positively by users with mobility and cognitive impairments.
Area of Science:
- Robotics
- Assistive Technology
- Gerontology
Background:
- Robots offer significant potential as assistive devices for individuals with movement impairments and mild cognitive deficits.
- The i-Walk intelligent robotic rollator is a lightweight device designed to provide cognitive and mobility support.
- It targets the elderly and individuals with light to moderate mobility impairments.
Purpose of the Study:
- To investigate the utility, usability, safety, and technical performance of the i-Walk robotic rollator.
- To evaluate the device through a clinical study involving real patients.
Main Methods:
- A clinical study was conducted at a rehabilitation center in Greece.
- Participants included patients with mild to moderate cognitive and mobility impairments.
- The study involved pre-defined use cases, including rehabilitation exercises and daily living activities, with objective performance measures and subjective questionnaire-based evaluation.
Main Results:
- Technical modules of the i-Walk system demonstrated satisfactory performance under real-world conditions.
- Objective performance measures indicated successful operation during various tasks.
- Subjective evaluation revealed that users generally perceived the platform as safe, reliable, and beneficial.
Conclusions:
- The i-Walk intelligent robotic rollator is a viable assistive device for individuals with mobility and cognitive challenges.
- The device shows promise in enhancing rehabilitation and daily living activities for its target user group.
- Positive user feedback underscores the potential of intelligent robotic rollators in assistive care.

