Methods All of 29 cases with pneumothorax was implanted double-lumen balloon urinary catheter via chest wall which was released by the side groove of thoracic trocar to treat pneumothorax.

• 方法29例自发性气胸患者,应用引流管侧释放套管针,经胸壁胸腔内置入可冲洗胸腔引流管治疗气胸。