An apparatus for use in connection with an endoscopic surgery comprises an elongated body adapted to be placed at least partially in the vagina of a female patient partially passing through the wall of the vagina such that an end portion of said elongated element is introduced into rectouterine pouch; the elongated body comprises at least an attachment means for accommodating at least a part of at least a surgical instrument comprising an end portion adapted to be received inside the vagina, the surgical instrument and the apparatus are movable to each other. An endobag having an elongated port is provided through the vagina into the pelvis. A method for use in a pelvic or peritoneal surgery is provided wherein at least an elongated end portion of a surgical instrument is provided in the cavity of the uterus through the vagina of a female patient such that the uterus can be repositioned by manipulating the surgical instrument and an incision is performed on the vaginal wall for accessing to the rectouterine pouch, a flexible element is provided in pelvis wherein the flexible element is looped around the uterus such that the flexible element encircles the uterus.