截骨矫形术中估算断端移位参数的方法

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Abstract Objective To develop a systemic approach for calculation of parameters describing geometrical displacement of cutting end. Methods A mathematical model was set up for calculation of spatial displacement of cutting end in corrective osteotomy with respect to different spatial position of center of rotation of angulation (CORA), angulation correction axis (ACA) and osteotomy point. Experimental results were compared with predicted value. Results Displacement of cutting end calculated by our mathematical model fit the experimental value well with no significant difference detected (P>0.05). Relative error of prediction using our model was less than 10%, which was better than Palay’s method with significant difference(P=0.005). Conclusions Approach presented in our work is good estimation of displacement of cutting end, which potentially facilitates the preoperative planning of corrective osteotomy.

Key words： corrective osteotomy mathematical modeling pareameter calculation displacement of osteotomic end

Received: 11 December 2014

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	Articles by authors
	ZHANG Hailong
	HAN Hongbin
	SHAO Hongyi
	GU Jianming

Cite this article:

ZHANG Hailong,HAN Hongbin,SHAO Hongyi等. Calculation of end displacement parameters in corrective osteotomy[J]. Med. J. Chin. Peop. Armed Poli. Forc., 2015, 26(5): 489-492.

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http://journal08.magtechjournal.com/Jwk_wjyx/EN/ OR http://journal08.magtechjournal.com/Jwk_wjyx/EN/Y2015/V26/I5/489

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