Fig. 3From: Mini-percutaneous nephrolithotomy versus Standard percutaneous nephrolithotomy: outcome and complicationsM-PCNL operation and the instruments used: a Instruments (puncture needles, dilators and AmPlatz sheath). b Intraoperative retrograde pylography by ureteric catheter. c Insertion of AmPlatz sheath during M-PCNL operationBack to article page