Surgical, medical, dental and veterinary apparatus and instruments, namely, cranial stabilization and fixation apparatus, retractor apparatus, brain spatulas and spatula holders for use in neurosurgery, spine surgery, diagnostics, stereotactic surgeries, as well as treatments and interventions in the head and neck area; Medical and therapeutic apparatus and instruments, namely, cranial stabilization and fixation apparatus and instruments, retractor apparatus and retractor instruments; Bipolar Forceps; surgical instruments, namely, powered and non-powered medical and drilling devices and instruments for medical purposes; surgical instruments, namely, powered and non-powered medical cutting devices and instruments for cutting human tissue and organs, for medical purposes; surgical instruments, namely, powered and non-powered medical holding devices and instruments in the nature of cranial stabilization and fixation apparatus, spreaders, clamps or hooks; surgical instruments, namely, powered and non-powered medical fixing devices and instruments in the nature of clamps, brackets, or hooks; surgical instruments, namely, powered and non-powered medical coagulating devices and instruments in the nature of bipolar or monopolar forceps; surgical instruments, namely, powered and non-powered medical grasping bone and tissue apparatus devices and instruments in the nature of grasping forceps; Navigation and Imaging Systems consisting primarily of medical navigation and medical imaging apparatus and accessories, namely, surgical staples used in neurosurgery, spine surgery, diagnostics, stereotactic surgeries as well as treatments and interventions in the head and neck area; suture materials; implants comprised of artificial materials for surgical and therapeutic use; invasive and non-invasive holders for surgical purposes; Accessories for operating tables, namely, medical and surgical devices used in combination with operating tables; retractors for holding open a surgical access; operating implements, namely, Bipolar Forceps, surgical drapes, surgical sponges, surgical skin hooks, adaptors for surgical instruments; operating implements being accessories for imaging and navigation, namely, medical imaging and navigation apparatus; instruments, namely, instruments used in combination with operating tables for electrosurgery and neurosurgery