Accuracy of the Reamer-Irrigator-Aspirator (RIA) Ruler for Measuring the Femoral Isthmus Diameter
Abstract IntroductionBone graft harvesting from the intramedullary (IM) femoral cavity using the Reamer Irrigator Aspirator (RIA) has grown in popularity over the past two decades. Harvesting the bone from the IM canal requires the surgeon to slightly oversize the femoral isthmus by 1-1.5mm. The RIA ruler is used with C-arm fluoroscopy to measure the femoral […]