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Proximal Tibial Locking Plate

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Evolution of Proximal Tibial Locking Plate

Fixation of the tibial plateau is usually performed using plates and screws. Due to the poor quality of bone in the tibial plateau, however, normal plates and screws have been insufficient for fixation in some patients, and special locked plates are usually used.

Locked plating was introduced in the early 19th century and popularized in the 1960s. Locked plates describe plates in which the screw has threads around the head which thread into the plate. This increases the stiffness of the construct, which helps to hold softer bone in place. Locked plating around the upper end, or proximal end, of the tibia continues to evolve to provide strong, stable fixation while striving to remain small enough so that the plates don’t bother patients.

In modern plating systems there are specialized plates that sit on specific parts of the bone to provide fixation in those areas. These plates are usually made of titanium, but can be made of stainless steel for stiffer fixation. Large screws are usually used as close to the joint as possible to act as large rafters to keep the joint surface fixed in place, while screws farther down the plate fix the actual plate to the bone.

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