This document discusses trajectory guides that include an instrument guide with at least one lumen angled with respect to an orthogonal or other through-axis. In one example, patterned lumens on the instrument guide provide a mirror image pattern of trajectory axes intersecting a target plane. In another example, height adjustment of the instrument guide extends these or other targeting techniques to a three-dimensional volume. This document also describes a method of manufacturing such an instrument guide, which is also applicable to manufacturing an instrument guide providing parallel lumens.
Mazzocchi, Rudy A.; Solar, Matthew S.; and Freeman, Thomas B., "Trajectory guide with angled or patterned guide lumens or height adjustment" (2011). USF Patents. 415.
University of South Florida