Development of an analogue method to link stereotactic surgery to computed tomography

The mathematical problems involved in linking computed tomography with stereotactic surgery are complicated. The use of an analogue has provided a simple, precise solution to the problems and gives the neurosurgeon a clearer understanding of the complexities of stereotactic target location. The feasibility and accuracy of this technique has been demonstrated in preclinical trials. A prototype stereotactic instrument compatible with any CT scanner has been suggested and used in the preclinical trials. The analogue method of linking computed tomography and stereotactic surgery requires no modification of the CT scanner.