This invention relates to a combined patellar fracture fixation device, comprising a
Kirschner wire with threads at both ends, a
tail cap, and a two-hole steel plate. The threaded
Kirschner wire has a sharp end and a flat end, with an unthreaded middle section. The
tail cap has a central channel connecting both ends of the
Kirschner wire, with the thinner end embedded in the patellar bone. The two-hole steel plate has different widths at both ends; the wider end has a hole that connects to the
tail cap, while the narrower end has a hole through which a
tension band cable can pass. The Kirschner wire, tail cap, and steel plate are combined to form a patellar fracture fixation device, used in pairs. Connecting the cable creates a
tension band for fixation. This invention offers better stability than traditional Kirschner
wire tension band technology, effectively reducing the likelihood of loosening and displacement of the traditional Kirschner wire, the risk of cable slippage leading to
tension band failure, and reducing the risk of
irritation to surrounding tissues and
skin puncture by the tail of the traditional Kirschner wire. This facilitates early postoperative
functional exercises for patients, promotes patellar fracture healing, and provides a new and more effective fixation device for patellar fractures.