... locking element (SLE) manufactured from PEEK, which is attached to the end of the screw shaft once it has traversed both bone cortices. A specially designed tool is used to facilitate its attachment to the screw. This tool makes it possible for the screw to traverse an osteosynthesis plate or lockwasher...

... of adhesives, be biocompatible for long-term implantation, and satisfy all dimensional requirements. This was achieved by developing a successful FEA model that gave amplified strain values compared to the spinal rod. The PEEK housing was machined based upon the modeling information and did not exhibit any...