A valve is disclosed which includes a hollow cylindrical housing having a plurality of input sites and a rotary core member having an output pasageway. The input sites which are not in communication with the output passageway are sealed. The valve may also include a primary input site connected to a...http://www.google.ca/patents/US4604093?utm_source=gb-gplus-sharePatent US4604093 - Apparatus and method for administering multiple fluid infusions