The invention belongs to the technical field of medical auxiliary equipment, and discloses a gastrointestinal
surgery catheter fixator which comprises a base and a fixing
assembly, the base is provided with two first through grooves and a second through groove, the base is connected with a driving clamping piece, a protrusion, a limiting block and two driven clamping pieces, the driving clamping piece is connected with an operating piece through a connecting piece, and the operating piece is connected with the fixing
assembly. The two driven clamping pieces are connected with the base through springs, the driving clamping piece and the two driven clamping pieces are each provided with a clamping part, the driving clamping piece is connected with a wedge-shaped linkage piece, and the ends, away from the clamping parts, of the driven clamping pieces abut against the wedge-shaped face of the linkage piece in a sliding mode. The base and the
body surface of a patient are fixed through the fixing
assembly, the relative position relation of the driving clamping piece and the two driven clamping pieces is controlled through the operation piece and the spring, clamping of the
catheter body is achieved, operation is easy, discomfort cannot be brought to the patient, the fixing effect on the
catheter body is good, and the influence on the
conductivity of the catheter body is small.