1
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 ...


2
Brian Skillicorn, George H Fellingham, Peter E Loeffler: X-ray source. Cardiac Mariners Incorporated, Lyon & Lyon, October 28, 1997: US05682412 (64 worldwide citation)

The x-ray source of the present invention comprises a charged particle beam generator and a vacuum enclosure assembly. The charged particle beam generator includes only a single electrical connection for providing high voltage to the electron gun. The power for the active circuits in the high voltag ...


3
George H Fellingham, Michael Lawless: Pressure sensor assembly for disposable pump cassette. Abbott Laboratories, Harry G Thibault, Robert E Wexler, August 21, 1990: US04950244 (52 worldwide citation)

A pressure sensor assembly includes two spacedly positioned flexible supports which support an elongated rod, with one end of the elongated rod contacting a pressure detector section on a disposable pumping cassette; the pressure sensor assembly can detect pressures in the cassette both above and be ...


4
Andreas Bibl, George H Fellingham: Method of fabricating an integrated thick film electrostatic writing head incorporating in-line-resistors. Rastergraphics, Michael Hetherington, January 19, 1993: US05181050 (47 worldwide citation)

An improved electrographic writing head employs interleaved arrays of writing nibs and small geometry, high impedance, thick film resistors and semiconductor driver circuits fabricated on a glass epoxy substrate. The writing head achieves significant savings in manufacturing costs by using low cost ...


5
John Pastrone, George H Fellingham, Michael Lawless: Ultrasonic detector. Abbott Laboratories, Christensen O Connor Johnson & Kindness, April 18, 1989: US04821558 (39 worldwide citation)

An ultrasonic detector for detecting air in a fluid. A fluid pumping cassette includes an elastomeric member that defines three sides of a fluid passageway, a base of the cassette defining the other side. Resilient lobes on the elastomeric member extend outwardly in opposite directions on each side ...


6
George H Fellingham, Lance B Koll, Timothy J Hughes: Ultrasonic detector. Abbott Laboratories, Christensen O Connor Johnson & Kindness, March 9, 1993: US05191795 (33 worldwide citation)

An ultrasonic detector for detecting air in a fluid passage is disclosed. The detector comprises a transmitting crystal and complementary receiving crystal disposed around the fluid passage. A sweep oscillator is used to apply a variable-frequency signal to drive the transmitting crystal into resona ...


7
John Pastrone, George H Fellingham, Michael Lawless: Ultrasonic detector. Abbott Laboratories, Christensen O Connor Johnson & Kindness, July 31, 1990: US04944191 (12 worldwide citation)

An ultrasonic sound generator and receiver are spaced apart from each other so as to receive a projecting portion of a cassette in which a liquid carrying passage is defined by a flexible membrane. The liquid carrying passage in the projecting portion fits between the ultrasonic sound generator and ...


8
Andreas Bibl, George H Fellingham: Integrated thick film electrostatic writing head incorporating in-line-resistors and method of fabricating same. Rastergraphics, Lyon & Lyon, July 7, 1992: US05128697 (5 worldwide citation)

An improved electrographic writing head employs interleaved arrays of writing nibs and small geometry, high impedance, thick film resistors and semiconductor driver circuits fabricated on a glass epoxy substrate. The writing head achieves significant savings in manufacturing costs by using low cost ...