Tissue transfer device (1) comprising a tubular structure (2) with a lumen (3), wherein the lumen (3) is ar— ranged between a proximal end (5) and a distal end (4) of the device (1), and wherein tissue is transportable between the distal end (4) and the proximal end (5), wherein the tubular structure (2) comprises longitudinally movable wall sections (6), and that said wall sections (6) are individually back and forth movable in the longitudinal direction of the device (1), wherein the device (1) is arranged such that during transport of tissue between the distal end (4) and the proximal end (5), first wall sections (6) assume a repetitious cycle of longitu— dinally moving in the direction of the proximal end (5) and back, and second wall sections (6) assume a repetitious shift— ed cycle with reference to the motions of the first wall sec— tions (6) such that while the first wall sections (6) move in the direction of the proximal end (5) and back, the second wall sections (6) longitudinally move in the direction of the distal end (4) and forth, wherein the first wall sections (6) and the second wall sections (6) exert in absolute terms mutu— ally different frictional forces on the tissue.
