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1 Acta of Bioengineering and Biomechanics

1 2008

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Strength of proximal humeral fraction fixation employing implants of various types - a study of porcine bones

Wychowański M., Obrębski M., Rąpala K., Wit A., Gajewski J., Marczak K.

Acta of Bioengineering and Biomechanics

2008

Vol. 10, nr 3

29-35

In this study, the authors assess the strength of proximal humerus fracture fixation using different methods. The strength, while pulling out the chosen single Kirschner wires implanted in porcine bone, has been examined. Tests concerning the strength of fixation with different types of implants have been carried out on prepared models. We observed the maximum strength of the bone–single wire coupling for Kirschner wires of a 2.5 mm diameter with 100 mm thread where mean was 2396 N (SD 345). The mean strength of the 4 wires fracture fixation for Kirschner wires of a 2.5 mm diameter with 100 mm thread was 736 N (SD 229) and was similar to Kirschner wires of a 2.5 mm diameter with 10 mm thread where mean was 709 N (SD 191).