Kumarappan Muthuraman

University at Buffalo · 2025 – 2026

Rehabilitation exoskeleton

A lower-limb exoskeleton concept for rehabilitation

Render of a blue lower-limb exoskeleton fitted to a mannequin leg
Role
M.S. biomedical engineering project
Organization
University at Buffalo
Period
2025 – 2026
Location
Buffalo, NY
Tools and methods
  • SolidWorks
  • Mechanism design
  • Rendering

A lower-limb rehabilitation exoskeleton I designed for a biomedical engineering project during my M.S. at UB.

The design

The exoskeleton straps on at the waist and runs adjustable aluminum links down the leg, with a geared joint at the hip.

Front render of the exoskeleton fitted to both legs of a mannequin
Fig. 1. Front view on both legs
Close render of a bevel-gear joint on the blue exoskeleton link
Fig. 2. Geared joint
Render of the exoskeleton inside a wheeled support frame with a seat and handrails
Fig. 3. Exoskeleton in its wheeled support frame
Close render of linear actuators mounted between the seat frame and the leg links
Fig. 4. Linear actuators on the support frame
Top-view drawing of the support frame with dimensions in millimeters
Fig. 5. Top view with key dimensions (mm)
Line drawing of the support frame and exoskeleton with a figure standing inside
Fig. 6. Assembly line drawing