David Rios

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OBJECTIVE The aim of this study is to describe a technique for percutaneous cervical transfacet screw placement and compare this technique to the open technique with regard to the accuracy of facet capture and the potential of placing neurovascular structures at risk. METHODS Eight cadaveric cervical spines were harvested. One side of each spine was(More)
BACKGROUND Screw length pertains to stability in various orthopedic fixation devices. There is little or no information on the relationship between plate pullout strength and screw length in anterior lumbar interbody fusion (ALIF) plate constructs in the literature. Such a description may prove useful, especially in the treatment of osteoporotic patients(More)
STUDY DESIGN Experimental and finite element analysis of anterior lumbar interbody fixation (ALIF) plate pullout. OBJECTIVE The objective of this study was to determine the effect of screw angle and orientation on ALIF plate pullout strength. SUMMARY OF BACKGROUND DATA It has been thought that angling the screws in an ALIF plate leads to better fixation(More)
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