surface anesthesia of urethra

例句：

1. 1. The patient was given a local anesthetic to numb the area before surgery.
   患者在接受手术前接受了局部麻醉以麻木该区域。
2. 2.During the procedure, the surgeon used surface anesthesia to reduce pain and discomfort.
   在手术过程中，外科医生使用了表面麻醉来减轻疼痛和不适感。
3. 3. The patient's recovery was significantly improved after receiving surface anesthesia for the procedure.
   患者在接受程序的表面麻醉后，恢复情况显著改善。