患者鲁×,男,18岁。于1982年7月16日晚,身带鱼叉外出,路遇毒蛇,用铁制鱼叉剌入蛇头,将毒蛇剌死。后又用污染蛇毒未行处理的鱼叉,将梨树上的梨叉下1个吃完,随即感觉唇及口腔麻木与轻痛,继而明显肿胀,舌运动受限,吞咽痛。并发头晕、视 Patient L ×, male, 18 years old. On the evening of July 16, 1982, he went out with a harpoon and ran into a poisonous snake. He stabbed the snakehead with an iron harpoon and punctured the poisonous snake. Afterwards, the harpoon, which had not been treated with the poisonous snake venom, was used to eat the pear fork under the pear tree. Immediately, it felt numbness and mild pain in the mouth and mouth, and then obviously swollen with limited movement of the tongue and swallowing pain. Concurrent dizziness, depending on