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Peer-reviewedCC BY-NCThe international journal of medical robotics + computer assisted surgery : MRCAS

Development of an Individualised Distal Fibula Locking Hook Plate Through Digital Orthopaedic Technology and Its Biomechanical Finite Element Analysis.

  • Le Kang1
  • Jian-Qiang Cui1
  • Yu-Jin Dong2
  • Bao-Lei Guo3
  • Xue-Meng Qin4
  • Mao-Wei Yang4
4 affiliations
  1. 1Department of Hand Surgery & Microsurgery and Foot & Ankle Surgery, Yantai Affiliated Hospital of Shandong Medical and Pharmaceutical University, Yantai, Shandong Province, China.
  2. 2Department of Orthopedics, Hand and Foot Microsurgery, Zhongshan Hospital Affiliated to Dalian University, Dalian, Liaoning Province, China.
  3. 3Department of Hand and Foot Microsurgery, Shenyang Orthopedic Hospital, Shenyang, Liaoning Province, China.
  4. 4Department of Orthopedic Surgery, The First Hospital of China Medical University, Shenyang, Liaoning Province, China.
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Abstract

Objective

To develop an individualised distal fibular locking hook plate for Danis-Weber type A fractures and assess its preclinical biomechanics.Methods

Anatomical measurements of the anterior talofibular ligament (ATFL) and calcaneofibular ligament (CFL) were pooled to define ligament attachment sites and optimise hook-tooth placement. A cobalt-chromium alloy locking hook plate was designed using computer-aided design software, fabricated by 3D printing, and evaluated by finite element analysis under static, inversion, eversion, and external-rotation loading conditions.Results

A 9.0-mm gap between the hook teeth was selected from the pooled anatomical measurements. Across all tested loading conditions, fracture-site displacement remained below 1.0 mm. Under 700-N external-rotation loading, the maximum von Mises stress was 23.0 MPa in the distal fibula and 53.9 MPa in the plate.Conclusion

The plate demonstrated anatomical compatibility and favourable finite element performance. Cadaveric testing and prospective clinical studies are required before clinical effectiveness or routine use can be established.

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Cite

BibTeXRIS
BibTeX
@article{kang2026development,
  title = {{Development of an Individualised Distal Fibula Locking Hook Plate Through Digital Orthopaedic Technology and Its Biomechanical Finite Element Analysis.}},
  author = {Le Kang and Jian-Qiang Cui and Yu-Jin Dong and Bao-Lei Guo and Xue-Meng Qin and Mao-Wei Yang},
  journal = {The international journal of medical robotics + computer assisted surgery : MRCAS},
  year = {2026},
  month = oct,
  doi = {10.1002/rcs.70236},
  url = {https://europepmc.org/article/MED/42908082},
  note = {CC BY-NC},
}
RIS
TY  - JOUR
TI  - Development of an Individualised Distal Fibula Locking Hook Plate Through Digital Orthopaedic Technology and Its Biomechanical Finite Element Analysis.
AU  - Le Kang
AU  - Jian-Qiang Cui
AU  - Yu-Jin Dong
AU  - Bao-Lei Guo
AU  - Xue-Meng Qin
AU  - Mao-Wei Yang
PY  - 2026
DA  - 2026/10/01
JO  - The international journal of medical robotics + computer assisted surgery : MRCAS
DO  - 10.1002/rcs.70236
UR  - https://europepmc.org/article/MED/42908082
AB  - Objective  To develop an individualised distal fibular locking hook plate for Danis-Weber type A fractures and assess its preclinical biomechanics.Methods  Anatomical measurements of the anterior talofibular ligament (ATFL) and calcaneofibular ligament (CFL) were pooled to define ligament attachment sites and optimise hook-tooth placement. A cobalt-chromium alloy locking hook plate was designed using computer-aided design software, fabricated by 3D printing, and evaluated by finite element analysis under static, inversion, eversion, and external-rotation loading conditions.Results  A 9.0-mm gap between the hook teeth was selected from the pooled anatomical measurements. Across all tested loading conditions, fracture-site displacement remained below 1.0 mm. Under 700-N external-rotation loading, the maximum von Mises stress was 23.0 MPa in the distal fibula and 53.9 MPa in the plate.Conclusion  The plate demonstrated anatomical compatibility and favourable finite element performance. Cadaveric testing and prospective clinical studies are required before clinical effectiveness or routine use can be established.
SN  - 1478-5951
SN  - 1478-596X
ER  -