Objective To evaluate the feasibility and clinical value of a homemade multichannel single hole puncture outfit in laparoendoscopic single-site surgery(LESS) for ureterolithotomy.Methods Twelve patients(8 males and 4 females) with upper ureteral calculi underwent retroperitoneal LESS ureterolithotomy by using a homemade multichannel single port puncture outfit were retrospective analyzed from March 2012 to June 2014.Result All the operations were performed successfully.The average diameter of the calculous ...