A convenient surgical auxiliary tool for covering of exo-
serous membrane exposed tumor, capable of preventing any man-caused dissipation of
tumor cells attributed to
surgical manipulation in the digestive organs, etc. There is provided a surgical auxiliary tool comprising a pair of frame members having the respective free end portions rotatably coupled with each other; an
accommodation bag having its rim of opening portion fixed to the coupled pair of frame members; and a locking part disposed at substantially the center of the frame members and capable of maintaining the
closed state of the pair of frame members. By virtue of this construction, the intestine on the periphery of an area of infiltration of the
serous membrane can be pinched by means of the pair of frame members having the respective free end portions rotatably coupled with each other. Simultaneously, the intestine on the periphery of an area of infiltration of the
serous membrane can be covered by the
accommodation bag having its rim of opening portion fixed to the frame members. Further, the surgical auxiliary tool can be taken out from the
body cavity inside to the
body cavity outside while surely maintaining the state of covering the intestine on the periphery of an area of infiltration of the serous membrane by means of the locking part capable of maintaining the
closed state of the coupled pair of frame members.