Fig. 2From: Open reduction and compression with double Kirschner wires for the treatment of old bony mallet fingerA 27-year-old female patient (no. 5) presented to the hospital 60 days after injury. a The old bony mallet finger of the right little finger. b, c Two K-wires were used to compress and fix the bone block. d After removal of the K-wire 6 weeks after surgery, the fracture was initially healed, and the articular surface was smooth without step and collapseBack to article page