A spinal instrument with pedicle screws is one of the most effective surgical techniques for correction of spinal deformity. However, when excessive mechanical loads are applied on the implant upon the fixation, there is a concern for back out of the screw in the cases with poor bone condition such as osteoporosis. For that reason, the mechanical loads at the bone-screw interface should be analyzed for safe and successful correction.
- Bioengineering Division
A Rigid Body and Spring Model of the Lumbar Spine Which Considers the Mechanical Loads at the Bone-Screw Interface
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Kiriyama, Y, Matsumoto, M, Toyama, Y, Andriacchi, TP, & Nagura, T. "A Rigid Body and Spring Model of the Lumbar Spine Which Considers the Mechanical Loads at the Bone-Screw Interface." Proceedings of the ASME 2009 Summer Bioengineering Conference. ASME 2009 Summer Bioengineering Conference, Parts A and B. Lake Tahoe, California, USA. June 17–21, 2009. pp. 1241-1242. ASME. https://doi.org/10.1115/SBC2009-206391
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