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Comparison Between TOMOFIX and BodyCAD Fine Osteotomy
Sponsor: Western University, Canada
Summary
This is a single centre, randomised, patient blinded pilot study that will assign 40 participants with medial knee osteoarthritis undergoing medial opening wedge high tibial osteotomy (MOWHTO) to either current standard of care with TOMOFIX plating system, or utilise patient specific instrumentation and custom-made plate development, with BodyCAD Fine Osteotomy. If the definitive study is deemed feasible, an additional 110 participants will be randomized, for a total of 150 participants.
Official title: Do Patient Specific Implants Improve Accuracy of Correction With MOWHTO. A Pilot Study for a Definitive Randomised Trial Comparing TOMOFIX and BodyCAD Fine Osteotomy.
Key Details
Gender
All
Age Range
18 Years - 70 Years
Study Type
INTERVENTIONAL
Enrollment
40
Start Date
2024-07
Completion Date
2027-06
Last Updated
2024-04-26
Healthy Volunteers
No
Interventions
High tibial osteotomy using TOMOFIX
TOMOFIX: A guidepin is placed to determine the level and length of the osteotomy with an appropriate hinge position selected. The oscillating saw is then used along with osteotomes to complete the osteotomy under image intensifier guidance. This is opened to the desired width of correction with a trapezoidal gap noted when using laminar spreader in the posterior position to avoid slope change. The plate is then applied and secured as per manufacturers operative technique.
High tibial osteotomy using BodyCAD
BodyCAD: The patient specific cutting block is applied to the proximal tibia and secured in placed. The osteotomy is then created with sequential drills and osteotome and opened to the predetermined correction as per the manufacturer's guidelines. The plate is applied and secured with the supplied screws.