A HUMAN NECESSITIES
A61 MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61B DIAGNOSIS; SURGERY; IDENTIFICATION
A61B17/00 Surgical instruments, devices or methods
A61B17/56 Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
A61B17/58 for osteosynthesis, e.g. bone plates, screws or setting implements
A61B17/68 Internal fixation devices; , including fasteners and spinal fixators, even if a part thereof projects from the skin
A61B17/84 Fasteners therefor; or fasteners being internal fixation devices
A61B17/86 Pins or screws; or threaded wires; nuts therefor