10 [ electronic apparatus and image presentation apparatus for medical purposes; image-guided localization systems for surgical purposes; neurosurgical instruments and apparatus; medical and surgical robots and accessories, namely, control boxes, instrument adaptors, tool holders, adaptors for endoscopes and microscopes, and connection cables; radiotherapeutic and radiosurgical apparatus; devices to acquire and adjust radiation points for medical purposes; systems and components to precisely position patients for radiotherapeutic, radiosurgical or neurosurgical purposes, namely, collimators, infrared and video cameras and accessories, patient markers, displays, isocenter phantoms, calibration phantoms, patient trays and accessories, head holders and adaptors, vacuum pumps, vacuum cushions, referencing stars, ultrasound phantoms, ultrasound adaptors, and x-ray registration kits; nuclear spin tomographs; magnetic resonance tomographs; intra-operative, image-guided localization systems and components for neurosurgical, orthopedic, stereotactic, radiotherapeutical or radiosurgical purposes, and for application in ear, nose and throat surgery, including cameras, displays, image presentation apparatus, computers, reference clamps, pointers, surgical instruments, registration markers and marker spheres, body markers, canullae, laptops, docking stations, panels, panel parts, headsets, headrings, remote controls, probes, sensors, instrument adaptors, virtual keyboards, dental referencing devices, laser pointers, phantom pointers, systems and components for software-controlled precision treatment in neurosurgery, orthopedics, radiotherapy or radiosu rgery and in ear, nose, and throat surgery, including localizers, torque wrench sets, stereotactic or neurosurgical arcs, biopsy kits, fixation adaptors, instrument calibration matrixes and fixation rings, planning stations, computers, couchmounts, collimators, target positioners, film holders, mask systems, couch stabilizers, couch adaptors, radiation devices, linear accelerators, gantries, microscope adaptors, fixation pins, head and neck immobilization devices; instruments and apparatus for three-dimensional registration or referencing of patients; light pointers for medical use ]