This joint can be used in the fabrication of custom wrist orthoses for orthopedic rehabilitation and neurological spasticity treatment through low load stretching. These orthoses are considered therapeutic and are not designed for ambulation. Comes in pairs (power unit and companion).
Power Joint
- Joints are bi-directional; continuously adjustable range is ± 140º or 280º total
- Safety and therapeutic range lock in 20º increments
- Don-doff lock at any position within 280º
- Integrated dynamic bi-directional (extension/flexion) power assists rated to 7.5 Nm (66 in·lb) 85D power units
- Mass (weight) with full struts: Knee/Elbow- 165g. (6 oz.), Ankle/Wrist- 75g. (2.5 oz.)
Companion Joint
- Joints are bi-directional; range is ± 140º or 280º total
- Safety and therapeutic range block in 20º increments
- Mass (weight) with full struts: Knee/Elbow-90g. (3 oz.), Ankle/Wrist-75g. (2.5 oz.)
Materials
Joints Heads: ASTM A240/A240M Type AISI 410 (Martensic stainless), heat treated to HRC 38-42 (electropolished)
Struts: ASTM B209M Type Aluminum 2024-T3, 3.175mm(1/8”) x 12.7(1/2”) x 254mm(10”), (hard anodized per MIL-A-8625F, Type III, Class 2 (black) or equivalent, sealed in PTFE)
Test Data
A-P static strength: 34 Nm (300 in. lbs.) MAX (pair of joints supports 36kg (80 lb.) MAX
M-L static strength: 17 Nm (150 in. lbs.) MAX
Mechanical strength tested in accordance with test methods prescribed by European Committee for Standardization CEN/TC293 1996 for external orthosis. Contact Ortho Active for further information if required.
