商环(Shang ring)是由商建忠先生发明的一种一次性包皮环切吻合器,与传统包皮环切手术相比具有微创、简便、出血少、切口愈合整齐美观等优势,已被证实比传统方法更值得推广~([1])。目前,临床上商环包皮环切术常用术式有两种:内环外置法(external)和内环内置法(no-flip),内环外置法目前多被当做标准化手术方案~([2]),但对于这两种术式的安全性和有效性仍 Shang ring is a disposable circumcision stapler invented by Shang Jianzhong. Compared with the traditional circumcision, Shang ring has the advantages of minimally invasive, simple, less bleeding, neat and beautiful incision healing, etc. Demonstrate more than traditional methods worth promoting ~ ([1]). At present, there are two kinds of surgical procedures commonly used in commercial circumcision: internal external (external) and internal no-flip, and internal external externalization is currently used as a standardized surgical solution. [2]), but the safety and effectiveness of both procedures are still