Fixed chest abdominocentesis needle of disposable lock silk

The utility model belongs to the technical field of medical equipment, relate to fixed chest abdominocentesis needle of disposable lock silk. The problem of blindly wear, the inserting needle degree of depth is hard held, the needle body is difficult fixed is solved. The technical scheme of the utility model: including needle body, cavity regulation pole, hose, lock silk, switch clamp, fixed cover, turnbuckle, connecting plate, the one end of cavity regulation pole is connected with the needle body, and the other end is connected with the one end of hose, and the turnbuckle links together through the connecting plate with fixed overlapping to passing the needle body suit and lieing in between needle body and the cavity regulation pole, be equipped with the internal thread at the internal surface of turnbuckle, the lock silk braid is on the pole is adjusted to cavity and lie in the rear of turnbuckle, and turnbuckle and the cavity regulation pole internal thread through the turnbuckle internal surface is connected with the external screw thread of cavity regulation pole, and the switch presss from both sides and sets up on the hose, and the other end top of hose still is equipped with to seal up and covers. The utility model has the advantages of simple structure, can accurately puncture, hold the inserting needle degree of depth, easily fixed needle body, but one-man operation.