1
Robert W Beard: Combination surgical scalpel and electrosurgical instrument. Oximetrix, Martin L Katz, Allan J Sternstein, Robert W Stevenson, February 3, 1987: US04640279 (172 worldwide citation)

A surgical instrument includes a handle and a disposable assembly which can be readily replaced after each operation or as necessary. The disposable assembly includes both an electrically heated scalpel blade and an electrosurgical active electrode which are mounted in a spaced parallel arrangement ...


2
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 ...


3
Darrell H Ogi: Optical catheter calibrating assembly. Oximetrix, Martin L Katz, Robert W Stevenson, Robert S Kelly, March 17, 1987: US04650327 (124 worldwide citation)

A calibrating device for an optical catheter is provided in order to calibrate the catheter for use in a catheter oximeter system. The calibrating device includes a tube having a reference block therein which is spring-loaded into compliant engagement with the distal end of the catheter carrying the ...


4
Stanley D Goldring: Electro-optical coupler for catheter oximeter. Oximetrix, Martin L Katz, Allan J Sternstein, Robert W Stevenson, August 4, 1987: US04684245 (105 worldwide citation)

An optical module couples a fiberoptic catheter to a catheter oximeter processing apparatus. The module includes a plurality of LED's for coupling the electrical control signals from the processor and converting them to light signals to transmit to the catheter. The module also includes the means to ...


5
John M Sperinde: Apparatus and method for determining oxygen saturation levels with increased accuracy. Abbott Laboratories, Robert W Stevenson, Martin L Katz, Robert S Kelly, November 18, 1986: US04623248 (83 worldwide citation)

A catheter oximeter includes a fiber optic catheter for supplying radiation to blood under test at a plurality of wavelengths and detecting the intensities of the radiation back-scattered from the blood at each of the wavelengths. The oxygen saturation level of the blood is then computed by deriving ...


6
Robert C Hollar, Tung Ming Huang: Unitized reagent containment system for clinical analyzer. Abbott Laboratories, Daniel W Collins, Clifford A Dean, Robert W Stevenson, June 12, 1990: US04933147 (80 worldwide citation)

Improvements in apparatus for performing an assay to determine the presence or amount of a substance in a test sample, which apparatus comprises means for dispensing one or more reagents from containment means therefor into a reaction vessel and means for dispensing the sample from a sample containe ...


7
Giovanni Pastrone, Leland D Chamness: Fluid infusion pump driver. Oximetrix, Martin L Katz, Robert W Stevenson, January 27, 1987: US04639245 (75 worldwide citation)

A fluid infusion pump driver device for pumping fluid from the chamber of a disposable cassette. The pump driver includes a reciprocatable plunger which is driven by a stepping motor. The motor and plunger are coupled through a universal joint which provides a threaded connection translating the inc ...


8
Kenneth H Knox, Mark E Larkin: Flexible container and mixing system for storing and preparing I.V. fluids. Abbott Laboratories, Robert W Stevenson, Alan R Thiele, Martin L Katz, September 9, 1986: US04610684 (73 worldwide citation)

A stoppered vial containing a medicament to be mixed with a diluent is enclosed within a flexible I.V. fluid container. Mixing of the medicament in the stoppered vial with a diluent also contained within the flexible I.V. fluid container is accomplished by first, unstoppering the vial by manipulatio ...


9
Robert W Beard: Surgical cutting device. Abbott Laboratories, Robert W Stevenson, Martin L Katz, November 18, 1986: US04622966 (70 worldwide citation)

The cutting instrument of this invention is made by threading a heater assembly through a hollow cutting instrument body. A blade having a shank and a blade body including a cutting edge is secured within the hollow cutting instrument body at its shank portion such that the blade body extends from t ...


10
Mark E Larkin, Ralph M Quin: Container mixing system with externally mounted drug container. Abbott Laboratories, Robert W Stevenson, Martin L Katz, August 19, 1986: US04606734 (64 worldwide citation)

A container mixing system wherein a medicament is placed in a container mounted externally of a container with a diluent. Mixing of the medicament in one container with the diluent in the other is accomplished by attaching an additive assembly with a piercing element to an additive port of the dilue ...