The invention relates to an autostatic retractor (1) for perineal surgery of a patient in a gynecological position comprising two frames (2,3) of equal or different dimensions having the general shape of two C mounted head to tail and articulated freely to each other by their ends (201,202301,302), a first frame coming to be placed on the patient's abdomen, the second frame coming to hang down opposite his perineum, the angle then made by the two frames (2,3) being fixed by clamping means (41,42), said frames (2,3) being provided on their outer edge with a plurality of notches (6) shaped to position and hold elements of parietal traction (8,9,10), remarkable in that at least the first means adjoining (11,12,13) to the abdominal frame (2) extend on either side of the abdomen of the patient lowering the center of gravity of the retractor (1) thus equipped, below the operating site. provided a bar (15) valve holder (8) connecting the articulations of the two frames (2,3).
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