System for controlling flow through a line during intravenous drug delivery

• Main Authors: GRANT KEVIN, DEMERS JASON A, LANIGAN RICHARD, GILBREATH DENNIS, KAMEN DEAN L, LARKINS WILLIAM T, GRINNELL CHARLES M, MANNING ROBERT, MANDRO MARC A
• Format: Patent
• Language: English
• Published: 27.04.2004
• Edition: 7
• Subjects: ACTUATING-FLOATS; BABY COMFORTERS; BLASTING; COCKS; CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICALPURPOSES; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR RECEIVING SPITTLE; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; DEVICES FOR VENTING OR AERATING; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGINGPHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL ORADMINISTERING FORMS; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; HUMAN NECESSITIES; HYGIENE; LIGHTING; MECHANICAL ENGINEERING; MEDICAL OR VETERINARY SCIENCE; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

A system and method for the preparation and delivery of intravenous drugs includes a liquid inlet for connection to a liquid supply and vial receptacles. The system may also include a liquid outlet for providing the intravenous drug in mixed, liquid form to the patient. The system may include a chamber having a variable volume, and a valve mechanism, which may be actuated to control flow between the liquid outlet, the variable-volume chamber, the vial receptacles and the liquid inlet. The liquid inlet, the vial receptacles, the variable-volume chamber, the liquid outlet and the valve mechanism may be located in a disposable cassette, which may be received in a control unit.