10 [Flashlight pointers, laser light pointers, infrared light pointers for medical use, in particular in applications for three-dimensionally registering and/or referencing patient location data by producing light markings, in particular light reflection points, by means of light emitters; electric and electronic apparatus and image presenting apparatus for medical applications, in particular medical and/or surgical robots and computer control devices therefor, also for application in image-guided localisation systems for surgical applications; tool holders for medical/surgical use; adaptors for endoscopes and microscopes; devices for detecting and adjusting radiation points for medical purposes and systems and components for positioning patients precisely for radiotherapeutic, radiosurgical or neurosurgical applications, namely, collimators, leaf collimators and micro leaf collimators for adjusting and forming beam forms in radiotherapeutic and radiosurgical applications; infrared photographic and video cameras for medical use; control computers and computer monitors for medical use; surgical instruments in the nature of vacuum pumps and vacuum cushions, referencing stars, ultrasound adaptors and x-ray registration kits; nuclear spin tomographs; intra-operative, image-guided localisation systems for surgical applications, in particular for neurosurgical, orthopaedic, stereotactic and radiosurgical applications and for applications in ear, nose and throat (ENT) surgery, namely, cameras and video monitors; image presenting apparatus, namely, computer monitors, printers, x-ray image presenting devices, photo presenting devices, image projectors and other devices for displaying images; computers; surgical instruments in the nature of reference clamps; laser pointers for medical use; computer hardware in the nature of laptop computers and docking stations; dental referencing units; systems for software-controlled precision treatment in neurosurgery, orthopaedics, radiotherapy, radiosurgery and in ear, nose and throat (ENT) surgery, namely, localisers, stereotactic and neurosurgical arcs, biopsy kits, fixation adaptors, instrument calibration matrices and fixation rings; planning stations in the nature of computers; collimators; radiation apparatus, namely, devices for emitting radiation beams in use with radiotherapeutic or radiosurgical treatment, linear particle accelerators; radiation treatment gantries, microscope adaptors, fixation pins, head and neck immobilisation units; instruments and apparatus for characterising structures in patient data sets produced using medical image forming apparatus, namely, computer tomographs, nuclear spin tomographs, ultrasound diagnostic apparatus, and x-ray diagnostic apparatus; instruments and apparatus for three-dimensionally registering and/or referencing patient location data by producing light markings, in particular light reflection points, by means of light emitters, namely, infrared light emitting diodes, infrared light pointers and laser light emitting diodes]