Fig. 3

Catheter Guide (green), trajectory ball (blue), catheter (orange) and cap (red) assembly. A: Trajectory Ball, Catheter Guide and Cap in exploded view. B: Catheter guide is inserted to the trajectory ball pressing the guide ears while inserting. C: The catheter is inserted through the catheter guide to the desired depth. D: Cap is placed over the catheter and locks it in place. The cap also prevents the catheter guide from being removed by mechanically blocking the guide ears