System, method and connector offer are introduced into work and enter reduced-pressure dressings in the specific time and remove fluid in vacuum lock conduit to break entering order or avoid. In an example, reduction connector is used to reduced pressure being applied to tissue site including connector body. Connector body is formed with gas vent, a conduit, a socket, to accommodate in reduced pressure delivery tube. The reduction connector includes flexible member, and being connected to the connector body, the flexible member is formed at least one venthole in ventilation carrying. Elastic component is biased away from ventilation mouth, and is configured to fold and seal under vent port decompression and is greater than threshold pressure. Other systems, equipment and method.
