Biomechanical characteristics of a three-level cervical disc hybrid construct: An <em>in vitro</em> investigation

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Abstract

This article describes the rules of motion of a human cervical disc after a 3-level hybrid construct. 7 cadaveric cervical spines (C2-T1) were initially tested in intact condition. Then, all patients had a 1-level (C4-C5) total disc replacement (TDR) followed by a 2-level (C3-C4 and C5-C6 segments) anterior cervical discectomy and fusion (ACDF). The movement differences among the 3-level hybrid construct, the intact disc and the 1-level TDR were compared with the 3-level hybrid construct and previous 3-level fusion data (dynamic and static plating systems). The comparisons show that the 3-level hybrid construct performs better than 3-level fusion.

Keywords artificial cervical intervertebral disc anterior cervical plate biomechanics hybrid construct

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Issue Date: 15 May 2014

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	Weiqiang LIU
	Congwei LV
	Ting PU
	Bin YAN
	Zhenhua LIAO

Cite this article:

Weiqiang LIU,Congwei LV,Ting PU, et al. Biomechanical characteristics of a three-level cervical disc hybrid construct: An in vitro investigation[J]. Journal of Tsinghua University(Science and Technology), 2014, 54(5): 685-689.

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http://jst.tsinghuajournals.com/EN/ OR http://jst.tsinghuajournals.com/EN/Y2014/V54/I5/685

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