Trochanter retention plate

摘要

The present disclosure relates to an implant for refixation of the greater trochanter on which an osteotomy has been performed or which is fractured. The implant comprises a plate that can be fixed on the proximal femur, and a device that can hold the greater trochanter with a form fit or force fit on the femur. This holding device preferably has bendable prongs located at a distance from each other, the first end portion of these prongs being attached to the upper edge of the base plate. The holding device also has flexible, elongate members, each of which is attached at one end to the free end portion of the respective prong. The other, free end portions of the longitudinal members are secured laterally on the base plate after these longitudinal members have crossed the medial aspect of the greater trochanter. This results in a tensioning band construction with at least two restraints based on a plate fixed securely on the proximal lateral femur.

主权项

1. Trochanter retention plate for the refixation of an osteotomised or fractured trochanter major, comprising:
a tension band construction configured to pass via the trochanter major, the tension band construction including:
two retainers configured and operable to refix the osteotomised or fractured trochanter major positively and/or non-positively to the femur,each retainer including a prong and an elongated flexible member; and a base plate configured to be fixed to the proximal femur, which is non-positively retained on the femur and serves as the basis of the tension band construction, the two prongs are proximally arranged on the base plate, the prongs including the elongated flexible members acting on said prongs form the retainers of the closed tension band construction, wherein the prongs extend upward in a proximal direction from the base plate and are arranged at a distance from one another and each prong includes a first end and a second end, the first end being a free end and the second end connected to the base plate, the free end of each respective prong operationally interconnected with the elongated flexible members such that pulling on the elongated flexible members interlocks the free end portions of the prongs with one another amid tension in a region of the fossa trochanterica which increases the intrinsic stability of the tension band construction.