Osteosynthesis screw for use with surgical intervention for stabilization and fixation of bone fragments and implants, has screw head for fastening bone plate, and screw shaft comprising multiple threaded sections

摘要

The screw (1) has a screw head (2) for fastening a bone plate, and a screw shaft (3) comprising multiple threaded sections (4, 5). The threaded sections comprise a common thread and different diameters. The screw head has channels or holes extending crosswise or diagonally to a longitudinal centre axis of the screw, where the channels or holes receive and/or fasten wires and small tubes. The screw head has a recess (10) at a front end for receiving a Torx(RTM: screw head) screw wrench.