Therefore, a local or topical anesthetic may be used to numb the treatment area during the procedure. 因此,一个局部麻醉剂可用于治疗领域麻木过程中。
Topical anaesthetic and local anaesthesia can be used effectively for haemorrhoidectomy and provide an alternative to general anaesthesia. 对于痔切除术,局部麻醉剂和局部麻醉法均能被有效地使用,是全麻醉以外的又一可选择的方法。