The product can be used for choledochoscope,Ergonomic design, lightweight operation structure, reduce the operator's work intensity.The bullethead is inserted into the head, convenient to enter the device and the bodylntegrated video plug, cold light lighting after,avoid burning tissues,lndependentlypackaged three-way adaptor, with optical fiber locking devicePerfusion pumpsystem that can connect existing brand and domestic brand in operating room,Use aseptic independent packaging, disposable.