Patent ID: 6132437
Filing Date: 2000-10-17
Classification: A61B

Abstract:
A method for inserting a neurosurgical instrument in a brain of a human patient comprising the steps of substantially sequentially(a) identifying a plurality of points on and in a head of the human patient;(b) gathering data from a plurality of standard radiological images of the head of the human patient;(c) using a plurality of anatomical landmark or artifical markers attached prior to an imaging study so as to determine coordinates of said points;(d) preparing an adjusting means by using said coordinates;(e) removably and noninvasively installing the adjusting means on said anatomical landmarks or artifical markers;(f) preparing an adjustable means for guiding by using the adjusting means, removing the adjusting means, and removably installing only the adjustable means for guiding on the head of the human patient;(g) inserting the neurosurgical instrument through the adjustable means for guiding;whereby a surgeon is able to perform surgery by using only the adjustable means for guiding so that the the adjustable means for guiding may be removed and reinstalled during surgery without losing its function.