Abstract: The invention relates to incision biopsy of the tissue that is collected in the tissue aspiration reservoir (19) that is administered by forward motion of the cutting inner edge (21), after the aspiration of the fluid material into the inner needle inlet (22) and the conveying space (23), and from there into the outlet (27) and the hollow of injection syringe (17) as a result of the vacuum that is created by opening of the notch (13) at the tip of the outer needle (10), with backward motion of the cutting inner needle (20) that is connected with the moveable piston that is positioned in the hollow (11) of the outer needle (10) that is connected with the said injection syringe body (16).