“…Some studies have improved the transurethral resection of the prostate sheath and cystoscope sheath assisted stone extraction and replaced cystoscope sheath with transparent hose. Due to the transparency of the hose, the scope of endoscopic observation can be expanded during the operation, which is conducive to the rapid and accurate judgment of the location of the stone and helps to accurate operation and greatly reduces the risks of urethral injury, bladder perforation, residual stone, and 1 Department of Urology Surgery, Traditional Chinese Medicine Hospital, Tongliang, 2 Internal/General Medicine, Chongqing High-tech Zone People's Hospital, 3 Department of General Surgery, Chongqing High-Tech Zone People's Hospital, Chongqing, China postoperative infection [3] . However, there are few studies on whether there is an advantage in the influence of surgical effect and postoperative erectile function.…”