This product can be used for bronchoscopy. The ergonomic design and lightweight operating structure reduce the workload of the operator. The bullet is inserted into the head for easy access to the device and integrated video plug of the body. The rear is illuminated with cold light to avoid burning tissues. The independently packaged three-way adapter with fiber locking device can be connected to existing and domestic brands of perfusion pump systems in the operating room. It is sterile and independently packaged for one-time use