Compression forces generated by Mini bone screws--a comparative study done on bone model

DN Adla, C Kitsis, AW Miles

Research output: Contribution to journalArticle (Academic Journal)

34 Citations (Scopus)

Abstract

The compressive forces generated by the AO/ASIF 3.0 mm cannulated cancellous and 2.0 mm cortical screws, Mini-Acutrak and Herbert/Whipple small bone cannulated screws were measured in the laboratory with the use of simulated cancellous bone and a load cell washer as a means of quantifying their fixation capabilities. The Herbert/Whipple screw and the Mini-Acutrak screw were found to have nearly identical compression capabilities and provided more compression than the cortical screw. The AO/ASIF cannulated screw when used with a support screw demonstrated a compressive capacity twice that of the 2.0 mm cortical screw and higher than the headless Mini-Acutrak and Herbert/Whipple screws. The Mini-Acutrak screw produced about 70% of compression of the cancellous screw in spite of having a diameter almost half that of the cancellous screw. The Herbert/Whipple screw in spite of its larger size compared to the Mini-Acutrak produced almost the same amount of compression.
Translated title of the contributionCompression forces generated by Mini bone screws--a comparative study done on bone model
Original languageEnglish
Pages (from-to)65 - 70
Number of pages6
JournalInjury
Volume36(1)
Publication statusPublished - Jan 2005

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