过去行包皮环切术,习惯用阴茎背神经阻滞麻醉,但有两个缺点:①有时因麻醉不全,缝合时患者即感疼痛,特别是儿童,往往不得不加用浸润麻醉;②部分阴茎小的患者,在阴茎处于萎缩状态下,所留包皮的长度不易掌握,术中认为所留长度合适,但愈后阴茎处于勃起状态时则感包皮过短。近几年来,我们采用上止血带的阴茎麻 In the past, circumcision was used to anesthetize the penis dorsal nerve block, but there were two disadvantages: (1) patients sometimes felt sore when sutured, sometimes because of anesthesia, and children, especially children, often had to use infiltration anesthesia; (2) part of the penis Small patients in the penis in atrophy, the length of the foreskin is not easy to grasp the length of the surgery that the appropriate length, but the penis in the erection of the penis when the sense of the prepuce is too short. In recent years, we have penile anesthesia on the tourniquet