Improved inner cannula cleaning device

The utility model relates to an improved inner cannula cleaning device and belongs to the technical field of auxiliary medical devices. The improved inner cannula cleaning device structurally consists of a hairbrush rod body, fixed bristles, a sponge cover wrapped by gauze, and a handle. The sponge cover wrapped by the gauze, which can be removed and replaced at any time, is sleeved at the front ends of the bristles of the hairbrush rod body capable of freely bending along with the arc-shaped structure of an intratracheal cannula. The improved inner cannula cleaning device can be used for radically cleaning sputum scab and blood scab on the arc-shaped inner wall of the intratracheal cannula, in addition, the nosocomial infection is reduced, consumable materials are saved, the working efficiency is improved, the complications are reduced for patients, the patient satisfaction is improved, and further, the cleaning device is convenient to operate, simple to manufacture, safe and practical, low in cost and conve