Patent ID: 8911451
Filing Date: 2014-12-16
Classification: A61B,A61N

Abstract:
1. A system for locating a stimulation site within a brain, said system comprising: a main cannula having a longitudinal axis, and a lumen extending therethrough; a guiding cannula configured to be positioned within said lumen of said main cannula, said guiding cannula having a lumen and a distal end portion that is pre-shaped to bend, such that said distal end portion is bent when extending from said guiding cannula and a longitudinal angle is formed between a line perpendicular to, and extending through, said longitudinal axis, and said bent distal end portion when projected within a plane that includes said line; a microelectrode configured to be inserted within said lumen of said guiding cannula to locate said stimulation site within said brain; and a longitudinal angle adjustment device for adjusting said longitudinal angle, wherein said longitudinal angle adjustment device is coupled to said guiding cannula and configured to rotate about said longitudinal axis.