Flow controllers for fluid infusion sets

摘要

PCT No. PCT/AU91/00083 Sec. 371 Date Oct. 21, 1992 Sec. 102(e) Date Oct. 21, 1992 PCT Filed Mar. 8, 1991 PCT Pub. No. WO91/13641 PCT Pub. Date Sep. 19, 1991.An in-line fluid flow controller (5) for use with a fluid administration set (1) for infusion of fluid into the body of a patient, the administration set comprising a reservoir of fluid connected to a supply line (2) having a discharge orifice; characterized in that the fluid flow controller comprises a housing (11) having a chamber therein, and inlet (13) to and an outlet (14) from said chamber, said housing being adapted to receive therewithin at least one flow restrictor (12) each having an orifice (18) or orifices configured to control the rate of fluid flow therethrough and into the body of a patient such that the fluid is infused into a patient at a predetermined constant flow rate or at a flow rate within predetermined limits via said discharge orifice.