我院胃镜室自1978年至1987年十年间,共取出上消化道异物67件,但以往仅用钳子、三角爪及圈套等工具,对于环形、球形或较厚无角等形状的异物,取出十分困难。自1988年以来,我们采用自制双筒胃镜、由于双筒,钳子和三爪式圈套协同工作,有如机械手,可取出上消化道任何形状或较大的异物、兹报告如下: Gastroscope room in our hospital from 1978 to 1987, a total of 67 foreign bodies were removed from the upper digestive tract, but in the past only pliers, triangular claws and snares and other tools for the ring, spherical or thick non-angular shape of the foreign body, remove Very difficult. Since 1988, we have used self-made bi-endoscopic gastroscopy. Due to the cooperation of binoculars, pliers and three-jaw snare, such as a manipulator, any shape or larger foreign body in the upper digestive tract can be removed. It is reported as follows: