Hip Orthosis and Hip Joints
A hip orthosis is an externally applied device used to restore the structural and functional characteristics of the neuromuscular and skeletal systems — in this case the hip joint.
- Anti-adduction orthosis for children — commonly used for children with cerebral palsy, it prevents scissoring of the thigh and is worn medially with the hips properly aligned
- Anti-adduction: aluminum joint with stainless steel adjustment guides; thigh sections in 4 mm copolymer PP; attached with Velcro straps; medial condylar silicone wedges included for comfort
- For thigh sizing, measure the circumference 5 cm above the center of the knee
- Ring lock hip joint — orthotic straight or contoured, manually locked, sold individually
- Ring lock hip joint with lateral bars for children
- Free motion hip joint with a 180 degree extension stop, sold individually
- Bars in stainless steel (16 and 20 mm, left and right) and aluminum (3×13, 5×13, 6×16, 6×19 mm)
- Warranty 12 months
Anti-adduction orthosis for children
• Commonly used for children with cerebral palsy, the orthosis prevents the scissor kick of the thigh and must be worn medially making sure that the child’s hips are properly aligned.
• Aluminum joint with stainless steel adjustment guides.
• The thighs are of 4 mm copolymer PP.
• Can be attached with Velcro straps; detect the circumference 5 cm. above the center of the knee for the correct size of the thigh.
• Medial condylar silicone wedges are included to provide more comfort to the child.
| Code | Description | Bar Slot (cm) |
| 18.004.001 | only stainless steel articulation | – |
| 18.004.001.S/M | Polymer leg straps | from 16.5 to 25/ of 25 and over |
Description
Ring Lock hip joint
• Sold individually • Warranty: 12 months
Orthotic straight, manually locked
| Code | Material | Dimension |
| 18.004.002 | Stainless steel | 16 mm – left |
| 18.004.003 | Stainless steel | 16 mm – right |
| 18.004.004 | Stainless steel | 20 mm – left |
| 18.004.005 | Stainless steel | 20 mm – right |
Orthotic contoured, manually locked
| Code | Material | Dimension |
| 18.004.006 | Stainless steel | 16 mm – left |
| 18.004.007 | Stainless steel | 16 mm – right |
| 18.004.008 | Stainless steel | 20 mm – left |
| 18.004.009 | Stainless steel | 20 mm – right |
Ring Lock hip joint with lateral bars for children
• Sold individually • Warranty: 12 months
Orthotic straight, manually locked
| Code | Material | Dimension |
| 18.004.006.k | Stainless steel | 14 mm – left |
| 18.004.007.k | Stainless steel | 14 mm – right |
Free Motion hip joint
• Sold individually • A free motion hip joint with a 180° extension stop • Warranty: 12 months
Orthotic straight
| Code | Material | Dimension |
| 18.004.010 | Aluminum | 3×13 mm – left |
| 18.004.011 | Aluminum | 3×13 mm – right |
| 18.004.012 | Aluminum | 5×13 mm – left |
| 18.004.013 | Aluminum | 5×13 mm – right |
| 18.004.014 | Aluminum | 6×16 mm – left |
| 18.004.015 | Aluminum | 6×16 mm – right |
| 18.004.016 | Aluminum | 6×19 mm – left |
| 18.004.017 | Aluminum | 6×19 mm – right |
| 18.004.018 | Stainless steel | 3×13 mm – left |
| 18.004.019 | Stainless steel | 3×13 mm – right |
| 18.004.020 | Stainless steel | 5×13 mm – left |
| 18.004.021 | Stainless steel | 5×13 mm – right |
| 18.004.022 | Stainless steel | 5×16 mm – left |
| 18.004.023 | Stainless steel | 5×16 mm – right |
| 18.004.024 | Stainless steel | 5×19 mm – left |
| 18.004.025 | Stainless steel | 5×19 mm – right |
Key specifications
| Device Category | Hip orthosis and hip joints |
| Warranty | 12 months |
| Product Code Series | 18.004 |
| Product Types | Anti-adduction orthosis for children; ring lock hip joint; ring lock with lateral bars for children; free motion hip joint |
| Materials | Aluminum; stainless steel; 4 mm copolymer PP thigh sections |
| Bar Sizes | Stainless steel 16 and 20 mm; aluminum 3×13, 5×13, 6×16, 6×19 mm |
| Free Motion Extension Stop | 180 degrees |
| Included Accessories | Medial condylar silicone wedges; Velcro straps (anti-adduction orthosis) |
| Sizing Reference | Thigh circumference 5 cm above the center of the knee |
Ordering and technical support
Supplied by Roadrunnerfoot Engineering S.r.l., Pregnana Milanese, Italy. The full range is listed in the Roadrunnerfoot 2025 catalogue. Orthopedic technicians, clinics and international distributors can request technical data sheets, product codes, pricing and fitting support from our team.






