Cannula detector with measuring device for medical surgical instrument special for orthopedics department

The utility model relates to the technical field of medical instruments for the orthopedics department, in particular to a cannula detector with a measuring device for medical surgical instruments special for the orthopedics department, which comprises a sleeve, an operating handle and a measuring rod. The sleeve is provided with a containing groove, the operating handle and the measuring rod are arranged in the containing groove, the operating handle is provided with a cylindrical groove, a first spring, a steel ball, a measuring assembly and an anti-rotation assembly, the sleeve comprises a nut and a limiting sleeve, and the measuring rod comprises a conical probe head and a probe rod. The depth of the bone hole is measured according to the sliding distance of the sleeve, the measuring assembly is convenient for reading measured data, the first spring and the steel ball are beneficial for preventing the sleeve from sliding at will to cause inaccurate data, the anti-rotation assembly is beneficial for preven