Vibration-assisted bone-graft compaction in impaction bone grafting of the femur

被引:28
作者
Bolland, B. J. R. F. [1 ]
New, A. M. R. [1 ]
Madabhushi, S. P. G. [1 ]
Oreffo, R. O. C. [1 ]
Dunlop, D. G. [1 ]
机构
[1] Univ Southampton, Bioengn Res Grp, Southampton SO17 1BJ, Hants, England
来源
JOURNAL OF BONE AND JOINT SURGERY-BRITISH VOLUME | 2007年 / 89B卷 / 05期
关键词
D O I
10.1302/0301-620X.89B5.18695
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
The complications of impaction bone grafting in revision hip replacement includes fracture of the femur and subsidence of the prosthesis. In this in vitro study we aimed to investigate whether the use of vibration, combined with a perforated tamp during the compaction of morsellised allograft would reduce peak loads and hoop strains in the femur as a surrogate marker of the risk of fracture and whether it would also improve graft compaction and prosthetic stability. We found that the peak loads and hoop strains transmitted to the femoral cortex during graft compaction and subsidence of the stem in subsequent mechanical testing were reduced. This innovative technique has the potential to reduce the risk of intra-operative fracture and to improve graft compaction and therefore prosthetic stability.
引用
收藏
页码:686 / 692
页数:7
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