• J Hand Surg Am · Nov 1991

    Comparative Study

    Biomechanical comparison of cannulated small bone screws: a brief follow-up study.

    • J A Shaw.
    • Division of Orthopedic Surgery, M.S. Hershey Medical Center, Pennsylvania State University, Hershey 17033.
    • J Hand Surg Am. 1991 Nov 1; 16 (6): 998-1001.

    AbstractThe compressive forces generated by the ASIF and Herbert small bone cannulated screws were measured in the laboratory with the use of simulated bones and a custom-designed load washer as a means of quantifying their fixation capabilities. Comparative data were also generated for the Herbert scaphoid bone screw and the ASIF 4 mm cancellous screw. The cannulated Herbert bone screw and the ASIF 4 mm cancellous screw were found to have nearly identical compression capabilities. Both generated compression forces approximately five times those of the Herbert scaphoid bone screw. The ASIF small cannulated screw demonstrated a compressive capacity 2 1/2 times that of the Herbert screw.

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