Rotation resistance of new intramedullary nail made form shape memory alloy depends upon the bone diameter
After osteosynthesis of the proximal humerus by K-wires, loosening and secondary loss can occur. This study tested primary fixation of intramedullayr nails made from a shape memory alloy (SMA) Nitinol® (NiTi), compared to conventional steel nails by rotational tests. We found that NiTi-nails have less rotational stability.
Keywordsproximal humerus rotation shape memory alloy
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