Pre-assembled catheter sheath set

The invention discloses a preassembled catheter sheath group which comprises a sheath tube body and further comprises a detachable retention assembly, the detachable retention assembly comprises a fixing seat and a connecting assembly, the fixing seat is used for being fixed to the skin of a patient, and the connecting assembly is used for supporting and limiting the sheath tube body. According to the preassembled catheter sheath set, in the operation process, when the sheath tube body needs to be fixed, the connecting assembly on the detachable fixing assembly can be connected to the sheath tube body, at the moment, the fixing assembly is fixed to the skin so that the tube body can be fixed, and after the detachable fixing assembly fixes the tube body and after the operation is finished, the detachable fixing assembly can be fixed to the sheath tube body. And the detachable retention assembly can be detached and recycled. 本发明公开了一种预装配导管鞘组，包括鞘管体，还包括可拆卸固位组件，所述可拆卸固位组件包括固定座和连接组件，所述固定座用于固定到患者皮肤上，所述连接组件用于支撑限位所述鞘管体。