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Many forms of spinal fusion involve the placement of long screws through the pedicles into the vertebral body. During the procedure, there is substantial risk of damage to vital neural and vascular structures due to the limited visibility of anatomic landmarks and high anatomic variability. As an alternative to current guidance systems, we have investigated the feasibility of performing ultrasound...
Transpedicular spinal fusion involves the placement of large screws into the vertebrae, and entails substantial risk to numerous neural and vascular structures. To address the deficiencies of the freehand and currently available guidance techniques we propose the development of an ultrasound based device for pedicle screw guidance. Ultrasonic transmission measurements of seven vertebral cancellous...
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