Thrombectomy device comprising a delivery catheter (1), a dilator catheter (5) and a funnel (3), defining a distal end and a proximal end, said funnel (3) being positionable in a retracted position and in an extended position, characterized in that said funnel (3) also comprises a covering (4), the diameter of the distal end of the funnel (3) being greater in the extended position than in the retracted position.一種血栓清除裝置，其包含一輸送導管(1)、一錐形擴張器導管(5)、及一漏斗(3)，界定一遠端及一近端，該漏斗(3)可定位在一回縮位置及一伸長位置，其特徵在於該漏斗(3)亦包含一覆蓋物(4)，該漏斗(3)之遠端的直徑於伸長位置係比於回縮位置更大。
