Patent ID: 7048715
Filing Date: 2006-05-23
Classification: A61M

Abstract:
1. A pump assembly for an integrated medication delivery system, wherein said pump assembly delivers medication to a patient and is suitable to prevent inadvertent delivery of the medication to the patient, said assembly comprising: a pump housing having a pump inlet and a pump outlet; a first pinch lever disposed at said pump inlet, said first pinch lever being moveable between an open position and a closed position to control a flow of the medication into said pump housing through said pump inlet; a second pinch lever disposed at said pump outlet, said second pinch lever being moveable between an open position and a closed position to control a flow of the medication from said pump housing through said pump outlet; a motor operatively engaging said first and second pinch levers for moving said first and second pinch levers into said open position such that the medication can be delivered to the patient; and at least one compression spring engaging at least one of said first and second pinch levers to urge at least one of said first and second pinch levers toward the flow of medication, while working in conjunction with said motor to normally bias at leasr one of said first and second pinch levers into said closed position during delivery of the medication to the patient and to maintain at least one of said first and second pinch levers in said closed position during a failure of said motor to prevent the inadvertent delivery of the medication to the patient.