Bifrontal craniotomy skull fixation

Bifrontal craniotomy for elevation of a comminuted open depressed skull fracture with cranioplasty. Debridement and repair of full thickness scalp laceration and placement of a post-craniotomy Camino intracranial pressure monitor. The Neurosurgical procedure steps depicted - A) Scalp is elevated and retracted to expose the skull injury. B) Burr holes are placed circumferentially. C) Hematoma is evacuated. D) Fracture fragments are placed together with the Lorenz cranial fixation system. E) Intracranial pressure monitor is placed.