Guides Internal Cannula to injection site. This cannula was designed to eliminate the need for cranioplastic cement by placing screws directly in the holes of the cannula flange.

Pedestal height: 8mm (.31”) Pedestal diameter: 3.5mm (.138”) Flange height: 1mm (.04”) Flange diameter: 10mm (.394”) Hole diameter: 1.56mm (.063”)