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Related Experiment Video

Updated: Mar 8, 2026

Harvesting of Peroneus Longus Tendon Autograft
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A novel functional correction method for habitual patellar dislocation using autologous hamstring tendon: a case

Yasunari Ikuta1, Nobuo Adachi, Masataka Deie

  • 1aDepartment of Orthopaedic Surgery bDepartment of Musculoskeletal Functional Research and Regeneration, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.

Journal of Pediatric Orthopedics. Part B
|January 25, 2017
PubMed
Summary

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Habitual patellar dislocation can be treated by stabilizing the kneecap during specific flexion ranges. A tailored femoral fixation point for an autologous graft is key to reversing this uncommon condition.

Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering

Background:

  • Habitual patellar dislocation is an infrequent orthopedic condition.
  • Current treatments may not address dislocations occurring during specific knee flexion phases.

Observation:

  • A patient presented with lateral patellar dislocation during mid-to-terminal knee flexion.
  • This specific range of motion exacerbates patellar instability.

Findings:

  • A novel functional correction technique was developed using an autologous graft.
  • The graft's fixation point on the femur was strategically placed to stabilize the patella during the problematic flexion range.
  • Successful stabilization was achieved by identifying a patient-specific femoral fixation point, not solely relying on anatomical ligament attachments.

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Implications:

  • This approach offers a targeted solution for habitual patellar dislocation.
  • Individualized surgical planning for graft fixation can improve outcomes for patellar instability.
  • Further research into optimal femoral fixation points may refine surgical techniques for patellofemoral stabilization.