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anchored_screw

Anchored screw

Anchor sleeves with 6.5-mm-diameter pedicle screws provided markedly higher resistance to screw pullout than 7.5-mm-diameter revision screws and fixation statistically equivalent to 8.5-mm-diameter screws, possibly because of medial-lateral expansion within the vertebral space and/or convex filling of the pedicle. AS results had the lowest SD, indicating minimal variability in bone-screw purchase 1).

1)
Manon J, Hussain MM, Harris J, Moldavsky M, La Marca F, Bucklen BS. Biomechanical Investigation of a Novel Revision Device in an Osteoporotic Model: Pullout Strength of Pedicle Screw Anchor Versus Larger Screw Diameter. J Spinal Disord Tech. 2015 Aug 19. [Epub ahead of print] PubMed PMID: 26301731.
anchored_screw.txt · Last modified: 2015/08/25 18:22 (external edit)