The invention relates to a device for use for the treatment of a hemorrhoid prolapse,particularly by HAL surgery (25) and/or attaching a tightening suture and/ora rubber band ligation, using a tube (1) having a tube shell wall (2) and a closingdevice (16) having a closure shell wall (21) enclosing a hollow space (17), whereinthe tube shell wall (2) is supported displaceabley and/or rotatably in the hollowspace (17) of the closure shell wall (21), and the tube shell wall (2) and the closureshell wall (21) can be inserted, either individually or jointly, into a rectumof a patient, wherein the tube shell wall has at least one tube wall opening (9),and the closure shell wall has at least one closure shell opening (22), and thetube shell opening and the closure shell opening can be moved such that they areat least partially aligned with one another in at least one open position, whereinat least one web (23) that is arranged on the tube shell wall (2) and/or on the closureshell wall (21) is provided, the web protruding at least partially into the tubeshell opening (9) and/or into the closure shell opening (22).
