David D Cunningham, Susan B Brontman, Jill M Geist, R Hayes Helgren, Timothy P Henning, Kenneth S Johnson, Laura S Morici, Thomas G Schapira, Neal T Sleszynski: Biosensor with a membrane containing biologically active material. Abbott Laboratories, Robert E Wexler, May 10, 1994: US05310469 (313 worldwide citation)

A sensor for measuring the concentration of an analyte in a solution is disclosed. The sensor may be adapted for use as either an amperometric or a potentiometric sensor. It includes a membrane having a biologically active protein immobilized within. The membrane is attached and reliably sealed to a ...

David D Cunningham: Composite membrane. Abbott Laboratories, Robert E Wexler, July 5, 1994: US05326449 (260 worldwide citation)

A sensor device for measuring the concentration of an analyte in solution is described. The device includes a composite membrane which incorporates a porous membrane containing an immobilized biologically-active protein and at least one other membrane. The other membrane may optionally be a blocking ...

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 ...

David A Gallup, Timothy J Hughes, John Sperinde: Multi-purpose multi-parameter cardiac catheter. Abbott Laboratories, Robert E Wexler, Harry G Thibault, July 25, 1995: US05435308 (144 worldwide citation)

A multi-lumen, multi-purpose cardiac catheter which incorporates optical filaments and an optical coupler for use with external apparatus for determining the oxygen concentration in the blood of a patient under critical care conditions, as well as incorporating therein a heater coil useable with a s ...

John Pastrone: Disposable fluid infusion pumping chamber cassette and drive mechanism thereof. Abbott Laboratories, Robert E Wexler, Robert W Stevenson, June 27, 1989: US04842584 (132 worldwide citation)

This invention relates to a disposable cassette having a pumping chamber therein and with a controlled positive displacing pump driving apparatus for use with the cassette, for performing intravenous or intra-arterial infusions. More particularly, it pertains to disposable cassettes which include an ...

John E Ogden: Induction welding apparatus and method. Abbott Laboratories, Clifford A Dean, Robert E Wexler, September 10, 1991: US05047605 (65 worldwide citation)

An apparatus and method for welding or thermally bonding parts of thermoplastic material by subjecting a die to high frequency electromagnetic radiation to effect heating thereof and heating of thermoplastic parts in contact with the heated die. The die is continuously cooled to permit rapid cooling ...

Robert G Poli, V Stanton Thomas, Wayne F Adolf, William L Rudzena: Latching piercing pin for use with fluid vials of varying sizes. Abbott Laboratories, Harry G Thibault, Robert E Wexler, August 2, 1994: US05334179 (58 worldwide citation)

A latching piercing pin useable to retain the pin and an associated fluid vial in latching relation. Latching members provided on the pin engage a peripheral lip provided on the end cap of the vial to maintain the latching relation between the pin and the vial. The pin is useable with vials and end ...

Irwin C Jacobs: Encapsulated breaker for cross-linked acid gel, fracture acidizing fluid containing same and method of use thereof. Petrolite Corporation, Robert E Wexler, September 13, 1988: US04770796 (53 worldwide citation)

Fracture acidizing fluids are provided containing an encapsulated breaker which releases breaker at a regulated rate over time.

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 ...

Scott W Millar: Oil field biocide composition. Petrolite Corporation, Robert E Wexler, November 12, 1985: US04552591 (48 worldwide citation)

There is provided a biocide composition for oil field fluid polymers and oil field water polymers. The composition comprises a biocide adsorbed on the surface of a solid, particulate adsorbent. The composition lessens personal and environmental contamination by spilled or splashed liquid biocides.