Endoscope system for obtaining latissimus dorsi flap through armpit

The utility model relates to an endoscope system for obtaining latissimus dorsi muscle flaps through armpits, belongs to the field of medical instruments, and provides the following technical scheme for solving the problem that a positioning device is not arranged between an outer sheath cannula and an endoscope tube, and the endoscope tube is prone to displacement in the axis direction of the outer sheath cannula in the treatment process. According to the technical scheme, the endoscope comprises an outer sheath cannula, an endoscope tube arranged in the outer sheath cannula and a camera device installed on the endoscope tube, a pressing block used for abutting against the endoscope tube is arranged on the inner wall of the outer sheath cannula, and the distance between the pressing block and the endoscope tube can be adjusted. The endoscope has the advantages that the operation view is stably exposed, and the stability of the endoscope in the using process is improved. 本申请涉及一种经腋窝获取背阔肌肌瓣的内窥镜系统，属于医疗器械领域，针对外鞘套