我们研制了利多卡因、丁卡因（Ｌ－Ｔ）乳膏，做为皮肤表面麻醉剂，从１９９７年１２月开始临床应用至今已７０例，镇痛效果确切，现总结介绍。资料与方法一般资料　本组患者７０例，ＡＳＡⅠ～Ⅱ级，男２４例，女４６例，年龄２３～７０岁，４０～６０岁占５９％。病种：胸部 We developed a lidocaine, tetracaine (L-T) cream, as the skin surface anesthetic, from December 1997 onwards has been 70 cases of clinical application, analgesic effect is accurate, are summarized. Materials and Methods General Information The group of patients 70 cases, ASA Ⅰ ~ Ⅱ level, 24 males and 46 females, aged 23 to 70 years, 40 to 60 years accounted for 59%. Diseases: chest