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Self-propelled weight-relieving walker for gait rehabilitation
R Dickstein1, Z Smolinski, T Pillar
1Department of Biomedical Engineering, Israel Institute of Technology, Haifa.
Journal of Biomedical Engineering
|July 1, 1992
Summary
A novel weight-relieving walker (WRW) uses pneumatic assistance to reduce body weight during ambulation. This innovative mobility device significantly enhances walking ability and stability for patients with severe locomotion challenges.
Area of Science:
- Rehabilitation Engineering
- Biomechanics
- Assistive Technology
Background:
- Patients with severe locomotion problems often require assistive devices.
- Existing walkers may not adequately support weight-bearing or improve gait symmetry.
Purpose of the Study:
- To introduce and evaluate a novel weight-relieving walker (WRW) for improved patient ambulation.
- To assess the efficacy of pneumatic weight relief, restraint, and propulsion mechanisms.
Main Methods:
- Development of a motorized, self-propelled walker with integrated pneumatic weight relief.
- Clinical evaluation involving 26 patients with severe locomotion impairments.
- Assessment of stance, swing, trunk stability, and step symmetry during ambulation.
Main Results:
- The WRW partially relieved body weight, facilitating stance and swing of affected lower limbs.
- The restraint mechanism improved trunk stability and lower extremity movement.
- Motorized propulsion enhanced step symmetry and neutralized the walker's weight.
- Significant improvements in ambulation were observed in patients using the device.
Conclusions:
- The weight-relieving walker (WRW) offers a substantial benefit for patients with severe locomotion issues.
- The integrated mechanisms effectively support and improve the walking capabilities of impaired individuals.