부산대학교 도서관

BACKGROUND:: Pedicle screw internal fixation after constant development and perfection has been advanced in spinal fixator field from aspect of biomechanics theory. OBJECTIVE:: To review the biomechanical study of spinal pedicle screws. METHODS:: CNKI and Pubmed (1986-01/2010-10) were retrieved to search the related articles about biomechanics of pedicle screws using the keywords of “pedicle screws, biomechanics” in Chinese and English. Finally 49 articles were included. RESULTS AND CONCLUSION:: In the development process of pedicle screws, biomechanics not only provides theoretical foundation for the development of the internal fixation, but also is the ultimate basis and holder effect standard for testing and evaluation of new designs. Pedicle screw implantation point, implant orientation, screw size, screw shape, screw materials have a certain impact on spinal biomechanics.