Novel abdominocentesis device

The utility model relates to a novel abdominocentesis device. Its technical scheme is: be provided with the nook closing member in puncture tube, the handle bottom is provided with the base, is equipped with two recesses above the base, is provided with the nook closing member seat in the bottom of nook closing member, is equipped with the tongue on the nook closing member seat, being equipped with a plurality of draw-in grooves on puncture tube's outer wall, being equipped with the scale on the draw-in groove, be equipped with the buckle on the draw-in groove, be provided with the elasticity pressure arm on the buckle, the elasticity pressure arm includes left elasticity arm and right elasticity arm, the buckle include that pinch plate, buckle slot and buckle stretch into the mouth, be equipped with left elasticity arm in the left side of pinch plate, be equipped with right elasticity arm on the right side of pinch plate, be equipped with the buckle on the right side of left elasticity arm and stretch into the mouth, the right side of stretching into mouthful at the buckle is equipped with the buckle slot, the beneficial effects of the utility model are that: the utility model discloses a can control piercing depth well according to the puncture needs, it is dark or shallow excessively to have avoided puncturing, and is equipped with the elasticity pressure arm, can play the effect of fixed pjncture needle.