New frame for stereotaxic surgery. Technical note.

A new frame designed for stereotaxic surgery allows performance of a one-stage procedure without the need for mathematical calculation or the use of atlases or diagrams. This frame simulates the reference line in the center of the brain with two lines, one on each side of the head (on the frame) parallel and equal in length to the reference line and at equal distance from the midline. Lesions can be made easily and accurately on either or both sides in a one-stage procedure with use of precise data for the target through any specific or pre-existing burr hole.