Medical and surgical apparatus, instruments, devices and implants; implant screws; implant abutments; diagnostic apparatus for audiological purposes; electrical stimulation apparatus and instruments for medical use; surgical instruments for implantation of hearing aids and medical implants; surgical drills; surgical drill bits; drilling templates for surgical use; screwing-in tools for surgical use; orthopedic articles; hearing aids; hearing devices; hearing implants; implantable medical devi...