Aneurysm clamp wrapping artificial blood vessel

The utility model discloses an aneurysm clamp wrapping an artificial blood vessel, and belongs to the technical field of medical apparatus and instruments. Comprising an elastic device and a clamping arm, the clamping arm comprises two arc-shaped clamping pieces used for being attached to the blood vessel wall, the upper ends of the arc-shaped clamping pieces are provided with fence structures used for avoiding the choroidal artery and/or the posterior traffic artery, and the lower end faces of the two arc-shaped clamping pieces are fixedly connected with the two movable ends of the elastic device respectively; artificial blood vessel material layers are attached to the inner walls of the arc-shaped clamping pieces, and the lower ends of the artificial blood vessel material layers are lower than the lower ends of the arc-shaped clamping pieces. Due to the fact that the fence structure used for avoiding the choroidal artery and/or the posterior traffic artery is arranged at the upper end of the arc-shaped clam