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Related Experiment Video

Updated: Jun 4, 2026

Proximal Cadaveric Femur Preparation for Fracture Strength Testing and Quantitative CT-based Finite Element Analysis

Proximal Cadaveric Femur Preparation for Fracture Strength Testing and Quantitative CT-based Finite Element Analysis

Published on: March 11, 2017

Fixed-angle plates in patella fractures - a pilot cadaver study.

M Wild¹, Simon Thelen, P Jungbluth

¹Department of Trauma and Hand Surgery, Heinrich Heine University Hospital, Moorenstrasse 5, 40225 Düsseldorf, Germany.

European Journal of Medical Research

|February 25, 2011

Summary

This study found that a new fixed-angle plate system is surgically feasible for patellar fracture fixation in cadavers. The novel plate-device demonstrated anatomical feasibility without intraoperative complications, suggesting potential for improved patellar fracture treatment.

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Stabilizing a Femur Osteotomy with a Plate Fixation in Ambystoma mexicanum

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Published on: April 12, 2024

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Last Updated: Jun 4, 2026

Proximal Cadaveric Femur Preparation for Fracture Strength Testing and Quantitative CT-based Finite Element Analysis

Proximal Cadaveric Femur Preparation for Fracture Strength Testing and Quantitative CT-based Finite Element Analysis

Published on: March 11, 2017

Stabilizing a Femur Osteotomy with a Plate Fixation in Ambystoma mexicanum

Stabilizing a Femur Osteotomy with a Plate Fixation in Ambystoma mexicanum

Published on: April 12, 2024

Area of Science:

Orthopedic Surgery
Biomedical Engineering
Skeletal Trauma Research

Background:

Current patellar fracture fixation methods (tension wiring, lag screws) have limitations including fixation failure and pain.
A novel fixed-angle plate system has been developed for patellar fracture fixation.

Purpose of the Study:

To evaluate the surgical and anatomical feasibility of implanting a new fixed-angle plate system for patellar fractures in human cadavers.

Main Methods:

Bilateral fixed-angle plate fixation was performed on six fresh, unfixed cadaveric knees with simulated transverse patellar osteotomies.
Surgical parameters (operative time, complications) and anatomical outcomes (reduction quality, intra-articular screw placement, retropatellar arthritis) were assessed.
Postoperative radiographs were analyzed.

Main Results:

The average operative time was 49 minutes.
No intra-articular screw malpositions were observed in 24 inserted screws.
Despite visible fracture gaps on X-ray, no residual articular step or dehiscence greater than 0.5 mm was found on retropatellar surface analysis.

Conclusions:

Osteosynthesis of patellar fractures using a bilateral fixed-angle plate-device is surgically and anatomically feasible.
Further studies are needed to compare this technique with established methods for patellar fracture fixation.