Figure 2.

Surgical technique. Filling metaphyseal bone defects by impaction bone grafting, using the press fit impaction technique. Special impactors fit over the central guide rod and laterally “bypass” the trial implant, permitting meticulous compression of the allograft chips introduced into the metaphysis. (A.) Illustration from [25]; (B) intraoperative photograph.

Wimmer et al. BMC Musculoskeletal Disorders 2013 14:19   doi:10.1186/1471-2474-14-19
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