Fig. 3

Intraoperative situation with the custom-made anchor-like plate in the treatment of lower patellar pole fracture. a A scalpel was used to cut a small opening in the patellar tendon at the lower pole. b The plate was passed through the small opening in the patellar tendon. c-d The plate was further shaped during the operation. e Additional cerclage of the combined steel wire. f After the hooping is pressurized, it is fixed with screws in turn