Biomechanical study of C1-C2 posterior arthrodesis techniques

Fifteen cervical spines from cadavers were used to compare the rotational and translational stability of the Brooks fusion, a fusion construct using Halifax interlaminar clamps, and the Gallie fusion. The Brooks and Halifax clamp constructs exhibited significantly greater rotational and translationa...

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Bibliographic Details
Published in:Spine (Philadelphia, Pa. 1976) Pa. 1976), 1993-02, Vol.18 (2), p.173-177
Main Authors: Hajek, P D, Lipka, J, Hartline, P, Saha, S, Albright, J A
Format: Article
Language:English
Subjects:
Biomechanical Phenomena
Cervical Vertebrae - physiology
Cervical Vertebrae - surgery
Humans
Range of Motion, Articular
Spinal Fusion - methods
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Summary:Fifteen cervical spines from cadavers were used to compare the rotational and translational stability of the Brooks fusion, a fusion construct using Halifax interlaminar clamps, and the Gallie fusion. The Brooks and Halifax clamp constructs exhibited significantly greater rotational and translational stiffness than the Gallie construct (P < 0.001). The Halifax clamp construct exhibited greater rotational stiffness and equal translational stiffness when compared with the Brooks construct (P < 0.05). The Brooks and Halifax fixation constructs provided superior fixation but presented technical challenges. The Gallie construct is less technically demanding but provides less stable fixation.
ISSN:0362-2436
DOI:10.1097/00007632-199302000-00001