Micro-catheter structure suitable for surgical injection

The utility model relates to a microcatheter structure suitable for surgical injection, which is characterized in that a closing cover connecting hoop (2) is sleeved on a medicine injection preparation chamber (3), the lower end of the medicine injection preparation chamber (3) is fixedly connected with the upper end of a catheter inlet bolting plug (4), and the side edge of the closing cover connecting hoop (2) is connected with a closing cover (1) through a closing cover connecting belt (7); the surface of the lower part of the closing cover connecting hoop (2) is connected with a catheter hoop belt (6) through two to four catheter traction belts (5); according to the utility model, the hole can be blocked when liquid medicine does not need to be input by using a micro-catheter, so that skin damage caused by blocking the small hole by fingers of a doctor can be effectively avoided, and two hands are liberated to facilitate other operations. 本实用新型涉及一种适用于外科注射用的微导管结构，闭合盖连接箍（2）套接在药物注入准备室（3）上，药物注入准备室（3）下端固定连接导管入