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