A clip device for occluding two fluid lines and forming a fluid connection comprising one of the fluid lines, the clip device comprising: a first clip segment comprising a fastener for engaging to a first fluid line, a first pinch valve for occluding the first fluid line and a coupling for connecting to the first fluid line； a second clip segment comprising a second pinch valve for occluding the second fluid line； and a bypass fluid line connectable or connected to the coupling is disclosed. The second clip segment may also comprise a fastener for securing to the second fluid line. The first clip segment and/or the second clip segment may comprise a proximal opening and a distal opening through which the tubing passes. The proximal opening and the distal opening may be disposed on opposing sides of the segment.
