A device auxiliary to surgery, for anchoring and lifting cavity walls or internal organs of a patient. The device provides a virtual port that is an instrument that can be non-invasively, or minimally invasively and removably attached to the undersurface of a patients cavity, or to various tissues within a cavity, and to which various retracting means are attached. The device includes means allowing it to be moved from one position to another and reattached to the undersurface of the abdominal wall, or to various tissues within a cavity, without creating any additional openings in the cavity wall. The device includes means for attaching various retractors.