Closed Sterile Drainage Device

摘要

The present invention relates to a closed drainage device (1) comprising: a pre-evacuated chamber (2); a drainage tube (3) connecting the pre-evacuated chamber (2) to a needle (4); and a clamp (5) attached to the connecting tube (3), wherein the clamp (5) is in a first position that maintains the vacuum of the pre-evacuated chamber and has a second position that does not maintain the vacuum of the pre-evacuated chamber.