长期滞留于气道内的异物常引起气道狭窄或阻塞,如无明确吸入史,常易漏诊或误诊。由于异物形态、大小各异,虽有多种取出异物的钳子,但仍不能满足临床需求。近年来,由于电视硬质镜及CO2冷冻、氩等离子体凝固(APC)技术在支气管镜介入治疗中的应用[1],使气道内异物的取出简单、快速 Long-term stay in the airway foreign body often cause airway stenosis or obstruction, such as no clear history of inhalation, often misdiagnosis or misdiagnosis. Due to foreign body morphology, size, although a variety of foreign body pliers removed, but still can not meet the clinical needs. In recent years, due to the television rigid mirror and CO2 freezing, argon plasma coagulation (APC) technology in the bronchoscopic interventional treatment [1], so that the removal of foreign body airway simple, fast