1
John Pastrone, Edward Laenen: Drive mechanism for disposable fluid infusion pumping cassette. Abbott Laboratories, Harry G Thilbault, Robert E Wexler, May 22, 1990: US04927411 (234 worldwide citation)

A disposable fluid infusion pumping chamber cassette comprises a sandwich type construction which lends itself to a multiplicity of control and monitoring functions including pressure monitoring, air bubble detection monitoring, adaption to multiple inputs, and leak detection monitoring, the cassett ...


2
John Pastrone, Leland D Chamness, George H Fellingham, Walter L Jimison: Drive mechanism for disposable fluid infusion pumping cassette. Abbott Laboratories, Christensen O Connor Johnson Kindness, April 4, 1989: US04818186 (152 worldwide citation)

A driver for use in an infusion pumping cassette having an elongated valve actuator which operates a valve controlling the flow of fluid through the cassette, a bracket having a first arm pivotally secured to one end of the valve actuator and a second arm, a cam driveably engaging the second arm, a ...