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Updated: Apr 20, 2026

Adjustable Stiffness, External Fixator for the Rat Femur Osteotomy and Segmental Bone Defect Models
Published on: October 9, 2014
Outcome of rail fixator system in reconstructing bone gap
Amit Lakhani1, Deepinderjit Singh1, Randhir Singh2
1Department of Orthopedics, M. M. Medical College, Kumarhatti, Solan, Himachal Pradesh, India.
Rail fixator treatment effectively reconstructs bone gaps in patients with open fractures and infected nonunion. This method offers good limb function and patient comfort, presenting a viable alternative to traditional treatments.
Area of Science:
- Orthopedic surgery
- Limb reconstruction
- Bone defect management
Background:
- Managing bone loss from open fractures and infected nonunion is challenging.
- Existing treatments like bone grafting and Ilizarov fixators have limitations.
- Rail fixators offer a potentially more comfortable alternative for bone gap reconstruction.
Purpose of the Study:
- To evaluate the efficacy of rail fixator treatment for bone loss and infected gap nonunion.
- To assess functional outcomes and patient tolerance of rail fixators.
- To compare rail fixators with other bone reconstruction methods.
Main Methods:
- 20 patients with bone defects due to open fractures or infected nonunion were treated.
- Debridement and stabilization were performed using a rail fixator.
- Bone defects were reconstructed via corticotomy and distraction using the rail fixator.
Main Results:
- Complete bone union was achieved in all cases.
- An average bone gap of 7.72 cm was reconstructed in 9 months.
- 85% of patients achieved excellent to good limb function (ASAMI score).
Conclusions:
- Rail fixators provide good functional results and successful bone gap reconstruction.
- Patients tolerated the rail fixator well, reporting comfort.
- The ease of application and distraction makes rail fixators a favorable option for limb reconstruction.
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