Stryker 3.0mm x 3.8mm Neuro Drill Less Aggressive || Sterile || Product Usage: The devices are intended to be used to cut bone and bone related tissue during neurosurgery, including craniotomy and spinal surgery as well as ear, nose and throat (ENT), orthopedic, and general surgical applications including maxillofacial, craniofacial surgeries. The main procedures/conditions in which these products are expected to be used are Mastoidectomy/Cochlear implant, Craniotomy, Vertebral Fusion and Fixation and Craniosynostosis.