Cutting knife suitable for endoscope anastomat

The utility model discloses a cutting knife suitable for an endoscope anastomat. The cutting knife comprises a knife head of an I-shaped structure. The tool bit comprises an upper tool apron, a lower tool apron and a blade, wherein the upper tool apron and the lower tool apron are symmetrically arranged, and the blade is located between the upper tool apron and the lower tool apron. A cutting edge is formed at one side end of the blade; strip-shaped injection molding parts are arranged on the opposite end faces of the upper tool apron and the lower tool apron and located on the two sides of the blade respectively. The cutting resistance of the cutting knife can be reduced, and meanwhile the production cost of the cutting knife can be effectively controlled. 本实用新型公开了一种适用于腔镜吻合器的切割刀，包括：呈"工"字结构的刀头；所述刀头包括对称设置的上刀座和下刀座，以及位于上刀座和下刀座之间的刀片；其中在所述刀片的一侧端成型有刀刃；以及在所述上刀座和下刀座相向面对的端面且分别位于刀片的两侧均设有条形注塑件。本实用新型可以降低切割刀的切割阻力的同时兼顾有效控制切割刀的生产成本。