Flushable observation device suitable for visual laryngeal mask and visual laryngeal mask

The flushable observation device suitable for the visual laryngeal mask is convenient to operate and capable of guaranteeing the stability of the visual effect, the visual laryngeal mask comprises a laryngeal mask breather pipe and a laryngeal mask air bag, and the flushable observation device comprises an operation channel longitudinally extending from the inner wall of the laryngeal mask breather pipe to the inner wall of the laryngeal mask air bag. The operation channel is internally provided with a camera shooting cavity for containing a camera shooting assembly and a cleaning cavity, the camera shooting cavity and the cleaning cavity are arranged in a spaced mode, the camera shooting cavity extends from the near end to the far end, at least part of the far end is a transparent part to form an observation window so that the front end of the camera shooting assembly can reach the observation window to observe the surrounding environment, and the cleaning cavity extends from the near end to the far end. And