Double-layer type disposable snare

The utility model discloses a double-layer type disposable snare which comprises an upper snare ring, a lower snare ring, a hard-end absorbable wire, a fixing section, a handheld push rod, a tailstock, a push plate and a threading hole. The beneficial effects of the utility model are that the length of the hard-end absorbable line is 5mm, and the distance between the threading holes arranged on the push plate is 5mm, so that the two loop rings form a double-layer tightening structure with an interval of 5mm after the absorbable line is tensioned, thereby ensuring that the distance between the two loop rings is moderate, and improving the tightness of the two loop rings. The situation that the second snare ring is ineffectively pricked in the same place due to the fact that the distance between the two snare rings is too narrow is prevented, and meanwhile the situation that a cavity may be formed due to the fact that the distance between the two snare rings is too wide and too many tissue ...