[Randomized controlled trial on the clinical efficacy of hernia needle combined with single port laparoscopic scrotal approach and testicular arch fixation for the treatment of middle and low cryptorchidism in children].

HN-SLATO has a significant clinical efficiency and high safety in the treatment of mid-low cryptorchidism in children, which can effectively improve intraoperative fixation and postoperative aesthetics of the testis, as well as reduce pain, serum inflammatory indicators and postoperative complications.