A surgical guide and methods for facilitating the insertion of at least a portion of a surgical instrument into an intracranial ventricle and/or drilling a burr hole to access an intracranial ventricle are provided. The surgical guide includes a frame member adapted to be positioned over a portion of a patients head, two plugs adapted to be positioned within a patients external auditory meatuses and a guide member attached to a portion of the frame member for receiving the surgical instrument and ensuring the proper trajectory for inserting the surgical instrument at an appropriate angle in the plane of the external auditory meatuses.
