A device suitable for use in a body lumen comprises an elongated control member and a radially expansible cage disposed at or adjacent to a distal end of the elongated control arm that is adjustable between a contracted orientation and an expanded (deployed) orientation, wherein the radially expansible cage is adapted to scrape thrombus from vessel walls, or collect matter removed from vessel walls, when in a deployed orientation, and wherein the device comprises an extractor comprising a helical formation adapted to rotate disposed within an extractor tube, wherein extractor tube comprises one or more windows