Four-Bar Pneumatic Artificial Limb Knee Joint Prosthesis for Rehabilitation
Four-Bar Pneumatic Artificial Limb Knee Joint Prosthesis for Rehabilitation
Four-Bar Pneumatic Knee Joint Prosthesis
Multi-axis pneumatic knee joint designed for rehabilitation use. Four-bar structure provides natural translation and rotation, improving gait stability and flexibility. Passed 3,000,000 fatigue-cycle test.
Features
- Four-bar multi-axis design for natural knee motion
- Stable in full extension; rotation center above and behind load line
- Adjustable pyramid adapter for optimized gait alignment
- Pneumatic damping with adjustable flexion/extension speed
- Smooth swing motion with rapid rotation-center drop during flexion
Specifications
| Overall height | 211 mm |
| Width | 58 mm |
| Pyramid adapter | 5 mm |
| Pneumatic valve adjustment | 3 mm |
| Weight | Approx. 878 g |
| Max user weight | 100 kg |
| Flexion angle | Up to 142° |
Notes
- Supports customizable gait through adjustable damping
- Designed for prosthetist installation and alignment



