Fig. 1From: Lantern-shaped screw loaded with autologous bone for treating osteonecrosis of the femoral headThe lantern-shaped screw. a Photo of the folding lantern-shaped screw. b Photo of the unfolding lantern-shaped screw. c Photo of the structure and composition of the lantern-shaped screw. d Photo of the supporting equipment for the lantern-shaped screw. e Photo of the lantern-shaped screw and the angle plate with a locking tail cap (black arrow)Back to article page