Thoracic cavity drainage device for thoracic surgery

The utility model provides a thoracic cavity drainage device for the thoracic surgery department. The drainage device comprises a guide pipe and a main drainage pipe sleeved with the guide pipe. The middle section of the outer side of the guide pipe is sleeved with a sleeving seat; an extension ring plate is arranged on the outer side of the sleeving seat; a silica gel gasket is fixedly arranged on the outer side of the extension ring plate; a pressing mechanism used for fixing the guide pipe to the inner side of the sleeving base is further arranged in the sleeving base. The pressing mechanism comprises a mounting cylinder, a pressing rod, a pressing spring and a pressing block; the mounting barrel is of a barrel-shaped structure with two through ends and is fixed in the sleeving seat; under the pressing action of the pressing spring and the pressing block, the sleeving seat and the guide pipe are pressed and fixed; therefore, in the drainage process, the cup joint base is pasted andfixed to the position, ne