A device for use for the treatment of a hemorrhoid prolapse, particularly by HAL surgery, attaching a tightening suture, or a rubber band ligation, using a tube having a tube shell wall and a closing device having a closure shell wall enclosing a hollow space. The tube shell wall is supported displaceably and/or rotatably in the hollow space of the closure shell wall, and the tube shell wall and the closure shell wall can be inserted into a rectum of a patient. The tube shell wall has at least one tube wall opening, and the closure shell wall has at least one closure shell opening which can be at least partially aligned with one another in an open position with a web arranged thereof protruding at least partially into the tube shell opening and/or into the closure shell opening.
