Fig. 1

CAD drawing of the grid insert. The object is designed to fit inside the existing MRI-guided biopsy grid and to be printed hollowed out with a 1.4 mm thick wall. Since no drainage holes exist on the part, uncured liquid resin will be retained inside the part which is visible in the MRI scans. It is designed such that the liquid retained inside has the exact same dimensions as the original grid used for biopsy