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True measured diameter and insertion depth. Left, diameter of holes in OCD and CD measured with OCT, IVUS and µCT. Right, insertion depth of holes in OCD and CD measured with OCT, IVUS and µCT. Drill bits had diameters of 0.1, 0.5, 1, 2 and 3 mm. The aimed for drill depth was 4 mm for OCD and 1 mm for CD.
