Visual laryngeal mask and visual device structure thereof

The invention provides a visual laryngeal mask with an anti-disengagement function and a viewer structure thereof, the structure comprises a laryngeal mask joint and a viewer, the laryngeal mask joint comprises a connecting plate, a main cannula mounted on the connecting plate and a visual cannula used for being connected with a visual cavity of the laryngeal mask, the visual device comprises a handle, a connecting line connected with the handle and a camera shooting assembly connected to the far end of the connecting line, the handle comprises a handle body and a connecting rod connected with the handle body, the handle body abuts against the upper surface of the connecting plate, and an arc-shaped concave face matched with the outer wall of the main cannula is formed on the side wall of the handle body. An elastic limiting column is arranged on the arc-shaped concave surface; when the arc-shaped concave surface of the handle body is close to the main intubation tube; a first limiting piece is formed on the