A bone screw is provided which includes a tubular body (1) having a first end (2) and a second end (3), wherein the tubular body has a tubular wall defining a cavity wherein the thickness of the wall (d) in a radial direction is smaller than an inner radius (r) of the cavity and wherein a plurality of recesses (5, 5) is provided extending entirely through the tubular wall into the cavity an exterior bone thread (4, 4) on an exterior tubular surface portion of the tubular wall a head (8) at the first end (2) configured to engage with a driver to advance the bone screw in the bone, a tip (9, 9) at the second end and wherein the tubular body, the head and the tip are formed as a single piece.
