computers; computer software for medical purposes, namely, for neurosurgical, orthopedic, radiotherapeutical and radiosurgical purposes, for robot-assisted applications, and applications in ear, nose and throat surgery; computer software that may be downloaded from a global computer network for medical purposes, namely, for neurosurgical, orthopedic, radiotherapeutical and radiosurgical purposes, for robot-assisted applications, and applications in ear, nose and throat surgery; and pre-recorded data carriers, featuring computer software for medical purposes, namely, for neurosurgical, orthopedic, radiotherapeutical and radiosurgical purposes, for robot-assisted applications, and applications in ear, nose and throat surgery

electronic apparatus and image presentation apparatus for medical purposes, namely for neurosurgical, radiotherapeutical, orthopedic and cardiological purposes and for application with image-guided localization systems for surgical purposes; electronic apparatus and image presentation apparatus for medical purposes, namely for image-guided localization systems for surgical purposes; light pointers for medical use; laser light pointers for medical use; infra-red light pointers for medical use; neurosurgical instruments and apparatus; radiotherapeutic and radiosurgical apparatus; devices for detection and adjustment of radiation points for medical purposes; systems and components to precisely position patients for radiotherapeutic, radiosurgical or neurosurgical purposes, namely collimators, leaf collimators and micro leaf collimators for adjusting and forming ray forms in radiotherapeutic or radiosurgical applications, infrared and video cameras, patient markers, monitors, isocenter phantoms, calibration phantoms, patient trays, head holders including adaptors, vacuum pumps, vacuum cushions, referencing stars, ultrasound phantoms and ultrasound adaptors, x-ray registering kits; nuclear spin tomographs; intra-operative, image-guided localization systems for surgical purposes; intra-operative, image-guided localization systems for neurosurgical, orthopedic, stereotactic, radiotherapeutical and radiosurgical purposes; intra-operative, image-guided localization systems for application in ear, nose and throat surgery; systems for software-controlled precision treatment in neurosurgery, orthopedics, radiotherapy or radiosurgery and in ear, nose, and throat surgery, including localizers, stereotactic and neurosurgical arcs, biopsy kits, fixation adaptors, instrument calibration matrixes and fixation rings, planning stations, computers, couch mounts, collimators, target positioners, film holders, mask systems, couch stabilizers, couch adaptors, radiation devices, linear accelerators, gantries, microscope adaptors, fixation pins, head and neck immobilization units; probes, sensors, electronic apparatus and image presentation apparatus all being parts of medical localization systems; medical instruments and apparatus for three-dimensional registration and/or referencing patient location data by producing light markings, in particular light reflection points, by means of light beamers, in particular infrared light beamers and/or light pointers or laser light beamers

Computer programming services, namely, developing programs for others for neurosurgical, orthopedic, radiotherapeutic or radiosurgical purposes, for application in ear, nose, and throat surgery, for robot-assisted applications, and for three-dimensional registration or referencing of patients; technical support services, namely troubleshooting of computer hardware and software problems related to medical navigation, localization and registration equipment, and for radiotherapeutic or radiosurgical devices