Fig. 3From: Comparison of a novel hand-held retractor-assisted transforaminal lumbar interbody fusion by the wiltse approach and posterior TLIF: a one-year prospective controlled studyIllustration of the usage for this novel hand-held retractor system: a: the left is tissue retractor and the right is articular process retractor b:right is the pedicle screw retractorBack to article page