Related Experiment Video
Updated: Apr 20, 2026
Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach
Published on: January 24, 2018
Does the IOFIX improve compression in ankle fusion?
Lee Parker1, Pinak Ray2, Stephan Grechenig3
1SpR Trauma and Orthopaedic Surgery, The Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, Middlesex HA74LP, United Kingdom.
Background:
The new IOFIX is an intra-osseous fixation device comprising an "X-post" through which a lag screw passes to apparently improve force distribution across an arthrodesis. We conducted a novel human cadaveric study. Our null hypothesis was no difference in force exists in an ankle arthrodesis model stabilized with the IOFIX or a conventional single lag screw.
Method:
In ten cadaver ankles a pressure transducer was compressed as an IOFIX and standard single lag screws were alternately compared.
Results:
The median average force created by the IOFIX was 3.95kg and 2.4kg for the single conventional lag screw (p⩽0.01). The IOFIX improved contact area across the arthrodesis with a median average of 3.41cm(2) compared with 2.42cm(2) in the lag screw group (p⩽0.03).
Conclusion:
Our results suggest an IOFIX improves force distribution across an ankle arthrodesis compared with a single conventional lag screw.
More Related Videos
04:41Treatment with Locking Intramedullary Nailing for Intertrochanteric Fracture of the Femur Utilizing a New Awl with a Distal Positioner
Published on: June 6, 2025
05:34A Mini-Invasive Internal Fixation Technique for Studying Immobilization-Induced Knee Flexion Contracture in Rats
Published on: May 20, 2019
Related Concept Videos
01:10Ankle Joint
01:27Fractures: Bone Repair
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the...
01:10Bones of the Lower Limb: Tibia and Fibula