1
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 ...


2
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 ...


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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 ...


5
Robert A Hermann, Michael W Lawless, Peter A Soberon: Infusion pump extruded metal housing with elastomeric end caps. Abbott Laboratories, Beth A Vrioni, October 23, 2001: US06305908 (66 worldwide citation)

A housing for a medicinal pump, which is sealed to prevent damage due to exposure of the housing to water or other liquids. The housing includes an extruded case in which the various components comprising the pump are enclosed. The ends of the extruded case are sealed by a top cap and a bottom cap t ...


6
Martin A Cole, Michael W Lawless, Christopher D Lynch, Frank S C Mo, Peter A Soberon: Pressure (occlusion) sensor. Abbott Laboratories, Neal D Marcus, November 23, 1999: US05989222 (52 worldwide citation)

A system and a method for detecting the presence of an occlusion in an intravenous (IV) line supplying a medicinal liquid to a patient. Two pressure occlusion sensors are employed to produce a value for the proximal and distal pressures within an IV pumping cassette that is disposed in the fluid pat ...


7
Robert A Hermann, Michael W Lawless, Peter A Soberon: Watertight battery compartment cover with latch actuated o-ring seal. Abbott Laboratories, Neal D Marcus, December 28, 1999: US06007941 (24 worldwide citation)

A cover for a battery compartment in a medical device such as an ambulatory pump that is used for infusing a medicinal fluid. The battery compartment cover includes a lever that is pivotal between an open and a closed position. The lever is connected to a plunger that applies a compressive force aga ...


8
Steven E Minick, Michael W Lawless, Peter A Soberon, Ashok Kaul, Robert A Hermann: Push button flow stop useable with a disposable infusion pumping chamber cassette. Abbott Laboratories, Harry G Thibault, Thomas M Breininger, October 31, 1995: US05462256 (19 worldwide citation)

A push button flow stop is mounted on a disposable infusion pumping cassette provided for use with a drug infusion pump. The flow stop is operative to enable or to block fluid flow through the cassette in a first mode and to monitor fluid pressure in the cassette in a second mode.


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John D Gjata, Michael W Lawless, Andrew J Scherer, Peter A Soberon, Stephanie R Squarcia: Elastomeric connector coupling motor to cam actuator of infusion pump. Abbott Laboratories, Beth A Vrioni, October 29, 2002: US06471436 (14 worldwide citation)

A drive connector for elastomerically coupling a drive shaft to a driven shaft. An elastomeric coupling includes openings on opposite ends that are generally ā€œDā€-shaped forming an interference fit with correspondingly shaped ends of the drive shaft and the driven shaft. A web extends transversely wi ...