1
Dean Kamen, Geoffrey P Spencer, Douglas E Vincent: Peritoneal dialysis systems employing a liquid distribution and pumping cassette that emulates gravity flow. Deka Products Partnership, Charles R Mattenson, Thomas S Borecki, Daniel D Ryan, September 27, 1994: US05350357 (361 worldwide citation)

Peritoneal dialysis systems apply fluid pressure to move liquid. The systems can emulate either a fixed head height condition or different head height conditions, independent of the actual head height differential between the patient's peritoneal cavity and the external liquid source or destination. ...


2
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 ...


3
Larry H Dodge: Plural inlet pumping cassette with integral manifold. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Stephen W Bauer, July 4, 1995: US05429485 (225 worldwide citation)

An integral disposable manifold and pump cassette, through which fluid is pumped from inlet tubes, forms a single disposable cassette which may be inserted into a single pump housing. The integral disposable manifold and pump cassette includes first and second sheets of flexible plastic material. Se ...


4
Robert W Childers, Richard Avoy, John Booras, Joseph H Bowman Jr, Paul Grippo, Andrew D Hopping, David Howard, Jeffrey W Jerrell, Benjamin Kellam, Brian Lauman, Sherwin Shang, David Vescovi, Tahua Yang, Alex Yu: Systems, methods and apparatuses for pumping cassette-based therapies. Baxter International, Baxter Healthcare, Joseph P Reagen, Bell Boyd & Lloyd, July 3, 2007: US07238164 (160 worldwide citation)

The present invention provides systems, methods and apparatuses for medical fluid delivery systems that employ a pumping cassette. In particular, the present invention provides systems, methods and apparatuses for cassette-based dialysis therapies including hemodialysis, hemofiltration, APD (includi ...


5
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 ...


6
Michael W Lawless, Peter A Soberon, Ashok Kaul, Steven E Minick, Gregory G Hoerner, Robert A Hermann, Stephen J Kreinick: Disposable fluid infusion pumping cassette having an interrelated flow control and pressure monitoring arrangement. Abbott Laboratories, Neal D Marcus, October 6, 1998: US05816779 (145 worldwide citation)

A disposable pumping cassette having an integral auxiliary flow control and pressure monitoring member is used for delivering a medicinal fluid to a patient. The pumping cassette includes an elastomeric member mounted in a rigid body having an inlet and an outlet. An inlet valve and an outlet valve ...


7
Michael W Lawless, Peter A Soberon, Ashok Kaul, Steven E Minick, Gregory G Hoerner, Robert A Hermann, Stephen J Kreinick: Method of delivering liquid to a patient via a disposable pumping cassette having a flow control & pressure monitoring member. Abbott Laboratories, Brian R Woodworth, December 24, 1996: US05586868 (96 worldwide citation)

A disposable pumping cassette having an integral auxiliary flow control and pressure monitoring member is used for delivering a medicinal fluid to a patient. The pumping cassette includes an elastomeric member mounted in a rigid body having an inlet and an outlet. An inlet valve and an outlet valve ...


8

9
Martin A Cole, Michael W Lawless, Christopher D Lynch, Frank S C Mo, Peter A Soberon: Air bubble sensor. Abbott Laboratories, Neal D Marcus, November 7, 2000: US06142008 (70 worldwide citation)

A system and a method for detecting the presence of air bubbles in an intravenous (IV) line supplying a medicinal liquid to a patient. An air bubble sensor includes an ultrasonic transmitter acoustically coupled to an ultrasonic receiver to detect the presence of a gas (e.g., air) in a portion of a ...


10
Michael W Lawless, Walter L Jimison, Giovanni Pastrone, Anthony C Yung: Apparatus and method to test for valve leakage in a pump assembly. Abbott Laboratories, Christensen O Connor Johnson & Kindness, March 19, 1991: US05000664 (68 worldwide citation)

Apparatus and method for determining leakage, particularly of valves, in a pumping cassette. A cassette (70) includes a primary valve (34) and a secondary valve (36), which may be selectively activated to control the source of fluid input to the cassette. The cassette also includes an inlet valve (4 ...