Fig. 10From: Application of the Chinese Aircraft-shaped Sleeve system in the treatment of tibial shaft fractures using a suprapatellar approach for tibial intramedullary nailing: a randomised controlled trialCartilage injury observed by arthroscopy in the conventional sleeve group. a “*” Cartilage fragmentation and fissuring. b “^” Cartilage displays injury in the shape of a ski trailBack to article page