The invention relates to a medical restriction device (1) for hollow organs of a body, having an elongate flexible element (2) having a first and a second end (4, 6), a closure device (8) locking the elongate element (2) annularly in a predetermined diameter position, and a tip (10) as an insertion aid at the first end (4) of the elongate element (2) for placing the restriction device (1) on the hollow organ, wherein the tip (10) comprises a reinforcement core (14) made of rigid material, wherein an opening (18) is provided at the second end (6) of the elongate element (2) as part of the closure device (8), the tip (10) can be inserted with the first end (4) of the elongate element (2) into the opening (18) at the second end (6) of the elongate element (2) for locking the closure device (8), and the tip (10) is fixedly connected to the first end (4) and can be cut off after locking the elongate element (2) by the closure device (8).