What do TPS and AO mean?
TPS is a registered trade mark of Stryker Instruments and stands for Total Performance System. AO is the abbreviation for Arbeitsgemeinschaft für Osteosynthesefragen, an organization formed to conduct research in bone healing, with particular reference to the influence of the mechanical environment of the fracture upon its healing pattern. Along with a group of surgeons, who first met together in March 1958 at Chur, this embryonic AO took a number of initiatives. They basically study the healing of bone, mainly in regards to internal fixation (plates/screws/rods…).