Puncture device for newborn pneumothorax treatment

The utility model belongs to the technical field of thoracocentesis, and discloses a puncture device for neonatal pneumothorax treatment, which comprises a three-way pipe switch, a heparin cap is mounted at one end of the three-way pipe switch, the other end of the three-way pipe switch is connected with a drainage pipe, and a needle seat is mounted at one end, far away from the three-way pipe switch, of the drainage pipe. An isolation plug is fixed to one end of the needle base, a puncture needle is connected to the other end of the needle base, a connecting base is installed at the end, close to the three-way pipe switch, of the heparin cap, a connector is fixed to the end, close to the heparin cap, of the three-way pipe switch, and an outer thread sleeve is connected to the outer side of the connector; according to the utility model, through the cooperation of the connecting seat, the connector, the clamping ring, the clamping groove and other structures, the connector can be fastened in the connecting sea