Figure 3
From: Efficacy and safety of 3D printing-assisted percutaneous nephrolithotomy in complex renal calculi
Puncture training and postoperative plain film. (a) Selection of puncture sites and calyces in a three-dimensional reconstruction image; (b,c) puncture training, target calyces, selection of puncture angle and estimation of puncture depth on 3D printed physical model. (d) Postoperative plain film.
