Fig. 2From: Implantation of an attachment tube preserves knee extension after nonunion of Felix IV fracture: a case reportIntraoperative procedures: a After preparation of subcutaneous tissue, the one-third plate appeared completely surrounded with metallosis. b The necrotic tibial tubercle was removed so that the tibial prosthesis was exposed. c, d The polyethylene terephthalate tube was doubled to form a planar sheet and fixed with two cancellous bone screws in the proximal tibia. e Joint capsule was sutured so that the attachment-tube is arranged above. f The attachment-tube was fixed with non absorbable ORTHOCORD® at the joint capsule and the M. quadriceps femorisBack to article page