1
Stephen D Walker, Peter E Nelson, R Dale Zellers: Ultrasound-guided near infrared spectrophotometer. Nostix, Ken J Koestner, February 10, 2004: US06690958 (151 worldwide citation)

A diagnostic apparatus includes a near infrared spectrophotometer (NIRS) and an ultrasound transducer that operate in combination to improve diagnostic measurements. The diagnostic apparatus includes a near infrared spectrophotometer that measures an analyte, for example tissue oxygenation, in an op ...


2
Stephen D Walker, John E Repine, Charles W Henry, Harry L Valenta Jr, Peter E Nelson, R Dale Zellers: Noninvasive optical sensor for measuring near infrared light absorbing analytes. Nostix, Ken J Koestner, Koestner Bertani, October 12, 2004: US06802812 (117 worldwide citation)

An optical sensor includes an optical source capable of being positioned on a tissue and emitting near infrared light into the tissue at a plurality of selected wavelengths, and a photodetector capable of detecting reflected light from the tissue. The photodetector being positioned on the tissue rem ...


3
Stephen D Walker, Peter E Nelson, R Dale Zellers, Charles W Henry, John E Repine: Noninvasive glucose sensor. Nostix, Koestner Bortani, Ken J Koestner, July 31, 2007: US07251516 (111 worldwide citation)

Glucose concentration is noninvasively measured by measuring a plurality of absorption values using at least one emitter operating at a corresponding plurality of emission wavelengths through a common optical sample volume and deriving glucose concentration from the absorption measurement values.


4
Peter E Nelson: Fault detection apparatus and method for parenteral infusion system. Ivac Corporation, Fulwider Patton Rieber Lee & Utecht, August 13, 1985: US04534756 (108 worldwide citation)

Apparatus and related method for use in a parenteral administration system, for detecting fault conditions such as an infiltration, an open fluid line or an air bubble in the fluid line. The apparatus is particularly adapted for use with a parenteral administration system of the type that includes a ...


5
Peter E Nelson: Water separator. The BOC Group, Larry R Cassett, Roger M Rathbun, April 18, 1989: US04821737 (35 worldwide citation)

A water separator is disclosed for removing water from a minute flow of gas/water sampled from a patients exhalation and prior to the gas being introduced into an analyzer. The separator comprises a housing with an inlet, an outlet, and a pair of chambers in series through which the sample is drawn. ...


6
Robert D Zellers, Peter E Nelson, Charles W Henry: Medical device location systems, devices and methods. March 5, 2013: US08391956 (29 worldwide citation)

Methods, devices and systems for one or both of two- or three-dimensional location of the disposition of a sensor coil in a subject including: an array of electromagnetic drive coil sets, each set having two or three dimensionally oriented drive coils; a sensor coil being electromagnetically communi ...


7
Robert D Zellers, Peter E Nelson, Charles W Henry: Medical device location systems, devices and methods. Berenbaum Weinshienk PC, February 19, 2013: US08380289 (4 worldwide citation)

Methods, devices and systems for one or both of two- or three-dimensional location of the disposition of a sensor coil in a subject including: an array of electromagnetic drive coil sets, each set having two or three dimensionally oriented drive coils; a sensor coil being electromagnetically communi ...


8
Peter E Nelson, Robert D Zellers, Charles W Henry: Medical device position location systems, devices and methods. TELEFLEX MEDICAL DEVICES S À R L, Baker Hostetler, February 5, 2019: US10197518

Methods, devices and systems for three-dimensional location of the disposition of a sensor coil in a subject including are disclosed. The systems include an array of three or more triplet or quadruplet drive coil sets, at least one moveable sensor coil configured to be disposed in a subject and to p ...


9
Peter E Nelson, Robert D Zellers, Charles W Henry: Medical device position location systems, devices and methods. TELEFLEX MEDICAL DEVICES S À R L, Baker Hostetler, October 16, 2018: US10098567

Methods, devices and systems for location of the disposition of a medical probe in a subject are disclosed. An array of electromagnetic drive coil sets, each set having two or three dimensionally oriented drive coils, a sensor coil being electromagnetically communicative with the array of electromag ...


10
Peter E Nelson, Robert D Zellers, Charles W Henry: Medical device position location systems, devices and methods. TELEFLEX MEDICAL DEVICES S À R L, Baker Hostetler, November 6, 2018: US10119928

Methods, devices and systems for three-dimensional location of the disposition of a sensor coil in a subject including are disclosed. The systems include an array of three or more triplet or quadruplet drive coil sets, at least one moveable sensor coil configured to be disposed in a subject and to p ...