Vacuum aspiration ware is prevented blockking up by department of general surgery's postoperative

The utility model discloses a vacuum aspiration ware is prevented blockking up by department of general surgery's postoperative, including negative pressure drainage vessel, last being equipped with of negative pressure drainage vessel attracts the pipe, is equipped with the attraction head on attracting to manage, attract the head and attract to be equipped with the connector between the pipe, beequipped with on the connector and strain the bag. Be equipped with the filter screen in the connector, the filter screen can be for the multilayer. Be equipped with the funnel on the connector, thefunnel lower extreme is equipped with down the liquid pipe, is connected with on the lower liquid pipe and strains the bag, strain the bag under port department be equipped with the fluid -discharge tube. Be equipped with the feed liquor valve on the liquid pipe down, be equipped with the flowing back valve on the fluid -discharge tube. The utility model discloses the filter screen that sets up inthe well accessible connec