期刊
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN MEDICINE
卷 32, 期 4, 页码 -出版社
SPRINGER
DOI: 10.1007/s10856-021-06515-9
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资金
- Projekt DEAL
This study aimed to compare biomechanical features of different devices used in clinical routine for temporary epiphysiodesis, the results showed that eight-Plate (R) demonstrated superior biomechanical stability when implanted anteriorly, with higher maximum load forces and axial physis distance until implant failure compared to FlexTack(TM). There is no clear advantage of either implant and the choice remains within the individual preference of the surgeon at this stage of research.
The aim of this study is to compare biomechanical features of different devices used in clinical routine for temporary epiphysiodesis (eight-Plate (R) and FlexTack(TM)). The tested implants were divided into four different groups (eight-Plate (R) vs. FlexTack(TM) for lateral and anterior implantation) a 10 samples for testing implanted eight-Plate (R) vs. FlexTack(TM) in fresh frozen pig femora for maximum load forces (F-max) and axial physis distance until implant failure (l(max)). A servo hydraulic testing machine (858 Mini Bionix 2) was used to exert and measure reproducible forces. Statistical analyses tested for normal distribution and significant (p<0.05) differences in primary outcome parameters. There were no significant differences between the eight-Plate<(R)> lateral group and the FlexTack(TM) lateral group for neither F-max (p=0.46) nor l(max) (p=0.65). There was a significant higher F-max (p<0.001) and l(max) (p=0.001) measured in the eight-Plate<(R)> group compared to the FlexTack(TM) group when implanted anteriorly. In anterior temporary ephiphysiodesis, eight-Plate (R) demonstrated superior biomechanical stability. At this stage of research, there is no clear advantage of either implant and the choice remains within the individual preference of the surgeon.
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