Frontal craniotomy+hematoma evacuation2

A left frontal craniotomy with evacuation of acute subdural hematoma. The neurosurgical procedure steps depicted A) Frontal incision and burr holes are made into the skull. B)  Craniotome is used to remove the bone flap to expose the dura. C) The dura is exposed. E) The blood clot is evacuated. F) The bone flap is then replaced back on to the skull defect.