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Biomechanical Evaluation Of A 6.5-Mm Headless, Tapered Variable Pitch Screw (Acutrak Plus) In Equine And Synthetic Bone, Andrew James Czak Lewis
Biomechanical Evaluation Of A 6.5-Mm Headless, Tapered Variable Pitch Screw (Acutrak Plus) In Equine And Synthetic Bone, Andrew James Czak Lewis
LSU Master's Theses
Objectives – To compare compression pressure (CP) of 6.5mm Acutrak Plus (AP) and 4.5mm AO cortical screws (AO) when placed in simulated lateral condylar fractures of variable thickness in cadaveric equine third metacarpal (MC3) bones, and to compare pullout force and strength of AP and AO screws when placed in a synthetic bone substitute. Results – The AO screw configurations generated significantly greater compressive pressure compared to the AP configurations. The ratio of mean CP for AP screws to AO screws at 20, 12, and 8-mm, were 21.6%, 26.2%, and 34.2% respectively. For the pullout study, the AP constructs generated …