Catheter fixing device

The utility model provides a catheter fixing device which comprises a base plate, a clamping seat is arranged on the base plate, a drawstring is connected to the bottom of one side of the clamping seat, and a clamping groove used for fixing a catheter is formed in the connecting portion of the drawstring and the clamping seat. A clamping block is arranged at the top of the clamping seat, a clamping opening matched with the clamping block is formed in the pulling belt, and the clamping opening is matched with the clamping block to enable the clamping groove to clamp and fix the guide pipe. According to the utility model, the bayonet on the drawstring is matched and connected with the clamping block on the clamping seat by pulling the drawstring, so that the clamping opening of the clamping groove is closed, and the catheter is fixed by utilizing the friction force between the inner wall of the clamping groove and the outer wall of the catheter, so that the problems of loosening, displacement and the like when