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Ex Vivo Biomechanical Evaluation Of A Novel Screw For Tibial Plateau Leveling Osteotomy, William Seth Kettleman
Ex Vivo Biomechanical Evaluation Of A Novel Screw For Tibial Plateau Leveling Osteotomy, William Seth Kettleman
Theses and Dissertations
Twelve pairs of cadaveric pelvic limbs were harvested from skeletally mature dogs. Tibias were randomly assigned pairwise to two study groups: locking buttress screw fixation (LBS) and bone-screw-fastener fixation (BSF). A tibial plateau leveling osteotomy (TPLO) was performed. Each specimen was positioned in a servohydraulic testing machine to simulate physiological orientation and loading at the mid-point of the stance phase at the walk. Cyclic loading was performed for 30,000 cycles at 4Hz with a peak-load of 1000N. The cyclic test was then continued by stepwise increasing the peak-load at a rate of 75N per 500 cycles until failure of the …