The utility model relates to a thrombectomy subassembly and use thrombectomy device of this thrombectomy subassembly, thrombectomy device include the thrombectomy subassembly, and the thrombectomy support of corresponding blood vessel is sent into to the thrombectomy subassembly before being arranged in by the late arrival, are connected with the support on the thrombectomy support and carry the seal wire, still including being used for arranging in the screen panel of thrombectomy support front side is connected with the screen panel seal wire on the screen panel, the screen panel have backwards be used for locate to back cover by preceding cover mouth on the thrombectomy support. The utility model provides an expect much and the switching process harms the problem of vascular wall easily to the flexibility of screen panel material own because of need upsets screen panel leads to among the prior art.