An implantable medical device is disclosed including an anchor unit configured to be permanently anchored at a cardiac valve of a patient, at least one locking unit, such as for fixation of tissue of the cardiac valve and/or fixation of at least a part of a shape of the anchor unit, and at least one coupling unit for connecting the anchor unit to at least one of the locking unit. The coupling unit has a first end portion and a second end portion, wherein the first end portion is connectable to the anchor unit, and the second end portion includes the locking unit.
