Preassembled protective film and tubular anastomat with preassembled protective film

The utility model relates to the technical field of anastomats, in particular to a preassembled protective film and a tubular anastomat with the preassembled protective film. The cap comprises a cap body part, a vertically-through pull rod hole is formed in the center of the cap body part, and a circle of annular cap brim part is arranged along the edge of the cap body part; the end face of one side of the cap body part is a protection end, and the end face of the other side of the cap body part is an installation end. And a plurality of film positioning structures are arranged at the mounting end of the cap body part. The protective film disclosed by the utility model can protect the completeness and stability of anastomotic stoma tissues and ensure the anastomotic effect; the preassembled protective film disclosed by the utility model is preassembled on a tubular anastomat, so that a mounting incision can be prevented from being formed in the upper side of the protective film, the integrity of the protectiv