Fig. 1From: Evaluation of Cannulated Compression Headless Screw (CCHS) as an alternative implant in comparison to standard S1-S2 screw fixation of the posterior pelvis ring: a biomechanical studyX-rays after instrumentation visualizing exemplified specimens from group CCH (a, b), PT (c, d) and FT (e, f) in inlet (a, c, e) and outlet (b, d, f) viewsBack to article page