A tubing set, the major portions of which are defined from a trilumen section of tubing, comprises three lines including an inflow line, an outflow line and a pressure sensing line. The inflow line includes a header portion engageable about the rollers of a peristaltic pump, a delivery tube mounting...http://www.google.fr/patents/US4820265?utm_source=gb-gplus-shareBrevet US4820265 - Tubing set