Patents by Inventor Michael R. Cates
Michael R. Cates has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10743776Abstract: A system for measuring the blood loss comprises a measuring device that determines a hemoglobin concentration of fluid within a container utilizing a light source and a light detector. The container receives blood and other fluids from a patient during a medical procedure. Light from the light source is passed through the blood and other fluids in the container and is detected by the light detector. Based upon a magnitude of light detected, a hemoglobin concentration of the fluid in the container can be determined. A volume-measuring device determines the volume of blood and fluid in the container. Knowing the hemoglobin concentration and volume of fluid in the container, the volume of patient blood loss in the container can be determined. The blood loss measuring device in combination with infusion systems maintains a real-blood volume status so that proper infusion of blood, crystalloid and/or colloid solutions occurs.Type: GrantFiled: May 13, 2019Date of Patent: August 18, 2020Assignee: MAJELCO MEDICAL, INC.Inventors: Alfred Akerman, Stephen W. Allison, Matthew B. Scudiere, Michael R. Cates, David L. Beshears, Lara M. Brewer Cates, Adan James Akerman, Annette MacIntyre
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Patent number: 10690684Abstract: A system for measuring the blood loss comprises a measuring device that determines the hemoglobin concentration of fluid within a container utilizing a light source and a light detector. The container receives blood and other fluids from a patient during a medical procedure. Light from the light source is passed through the blood and other fluids in the container and is detected by the light detector. Based upon a magnitude of light detected, the hemoglobin concentration of the fluid in the container can be determined. A volume-measuring device determines the volume of blood and fluid in the container. Knowing the hemoglobin concentration and volume of fluid in the container, the volume of patient blood loss in the container can be determined. The blood loss measuring device in combination with infusion systems maintains a real-blood volume status so that proper infusion of blood, crystalloid and/or colloid solutions occurs.Type: GrantFiled: October 11, 2018Date of Patent: June 23, 2020Assignees: Majelco Medical, Inc., University of Utah Research FoundationInventors: Annette Macintyre, Lara Brewer Cates, Suzanne Wendelken, Quinn Tate, Soeren Hoehne, Alfred Akerman, Stephen W. Allison, Matthew B. Scudiere, Michael R. Cates, David L. Beshears, Adan James Akerman
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Publication number: 20190261868Abstract: A system for measuring the blood loss comprises a measuring device that determines a hemoglobin concentration of fluid within a container utilizing a light source and a light detector, The container receives blood and other fluids from a patient during a medical procedure, Light from the light source is passed through the blood and other fluids in the container and is detected by the light detector. Based upon a magnitude of light detected, a hemoglobin concentration of the fluid in the container can be determined. A volume-measuring device determines the volume of blood and fluid in the container. Knowing the hemoglobin concentration and volume of fluid in the container, the volume of patient blood loss in the container can be determined. The blood loss measuring device in combination with infusion systems maintains a real-blood volume status so that proper infusion of blood, crystalloid and/or colloid solutions occurs.Type: ApplicationFiled: May 13, 2019Publication date: August 29, 2019Inventors: Alfred Akerman, Stephen W. Allison, Matthew B. Scudiere, Michael R. Cates, David L. Beshears, Lara M. Brewer Cates, Adan James Akerman, Annette MacIntyre
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Patent number: 10285596Abstract: A system for measuring the blood loss comprises a measuring device that determines a hemoglobin concentration of fluid within a container utilizing a light source and a light detector. The container receives blood and other fluids from a patient during a medical procedure. Light from the light source is passed through the blood and other fluids in the container and is detected by the light detector. Based upon a magnitude of light detected, a hemoglobin concentration of the fluid in the container can be determined. A volume-measuring device determines the volume of blood and fluid in the container. Knowing the hemoglobin concentration and volume of fluid in the container, the volume of patient blood loss in the container can be determined. The blood loss measuring device in combination with infusion systems maintains a real-blood volume status so that proper infusion of blood, crystalloid and/or colloid solutions occurs.Type: GrantFiled: April 11, 2017Date of Patent: May 14, 2019Assignee: MAJELCO MEDICAL, INC.Inventors: Alfred Akerman, Stephen W. Allison, Matthew B. Scudiere, Michael R. Cates, David L. Beshears, Lara Brewer, Adan James Akerman
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Publication number: 20190041405Abstract: A system for measuring the blood loss comprises a measuring device that determines a hemoglobin concentration of fluid within a container utilizing a light source and a light detector. The container receives blood and other fluids from a patient during a medical procedure. Light from the light source is passed through the blood and other fluids in the container and is detected by the light detector. Based upon a magnitude of light detected, a hemoglobin concentration of the fluid in the container can be determined. A volume-measuring device determines the volume of blood and fluid in the container. Knowing the hemoglobin concentration and volume of fluid in the container, the volume of patient blood loss in the container can be determined. The blood loss measuring device in combination with infusion systems maintains a real-blood volume status so that proper infusion of blood, crystalloid and/or colloid solutions occurs.Type: ApplicationFiled: October 11, 2018Publication date: February 7, 2019Inventors: Annette Macintyre, Lara Brewer, Suzanne Wendelken, Quinn Tate, Soeren Hoehne, Alfred Akerman, Stephen W. Allison, Matthew B. Scudiere, Michael R. Cates, David L. Beshears, Adan James Akerman
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Publication number: 20170290518Abstract: A system for measuring the blood loss comprises a measuring device that determines a hemoglobin concentration of fluid within a container utilizing a light source and a light detector. The container receives blood and other fluids from a patient during a medical procedure. Light from the light source is passed through the blood and other fluids in the container and is detected by the light detector. Based upon a magnitude of light detected, a hemoglobin concentration of the fluid in the container can be determined. A volume-measuring device determines the volume of blood and fluid in the container. Knowing the hemoglobin concentration and volume of fluid in the container, the volume of patient blood loss in the container can be determined. The blood loss measuring device in combination with infusion systems maintains a real-blood volume status so that proper infusion of blood, crystalloid and/or colloid solutions occurs.Type: ApplicationFiled: April 11, 2017Publication date: October 12, 2017Inventors: Alfred Akerman, Stephen W. Allison, Matthew B. Scudiere, Michael R. Cates, David L. Beshears, Lara Brewer, Adan James Akerman
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Patent number: 6456383Abstract: This invention relates to a method and apparatus for making absolute distance or ranging measurements using Fresnel diffraction. The invention employs a source of electromagnetic radiation having a known wavelength or wavelength distribution, which sends a beam of electromagnetic radiation through a screen at least partially opaque at the wavelength. The screen has an aperture sized so as to produce a Fresnel diffraction pattern. A portion of the beam travels through the aperture to a detector spaced some distance from the screen. The detector detects the central intensity of the beam as well as a set of intensities displaced from a center of the aperture. The distance from the source to the target can then be calculated based upon the known wavelength, aperture radius, and beam intensity.Type: GrantFiled: November 3, 2000Date of Patent: September 24, 2002Assignees: UT Battelle, LLC, The University of Tennessee Research CorporationInventors: Dennis D. Earl, Stephen W. Allison, Michael R. Cates, Alvin J. Sanders
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Patent number: 6123455Abstract: An apparatus for measuring the temperature of a moving substrate includes an air gun with a powder inlet port in communication with the outlet port of a powder reservoir, an air inlet port in communication with a pressurized air source, and an outlet nozzle spaced from and directed toward the moving substrate. The air gun is activated by the air pulses to spray controlled amounts of the powdered phosphor onto the moving substrate, where the phosphor assumes the temperature of the moving substrate. A laser produces light pulses, and optics direct the light pulses onto the phosphor on the moving substrate, in response to which the phosphor emits a luminescence with a decay rate indicative of the temperature of the phosphor. A collection lens is disposed to focus the luminescence, and a photodetector detects the luminescence focused by the collection lens and produces an electrical signal that is characteristic of the brightness of the luminescence.Type: GrantFiled: May 2, 1997Date of Patent: September 26, 2000Assignee: American Iron and Steel InstituteInventors: David L. Beshears, David N. Sitter, Jr., William H. Andrews, Marc L. Simpson, Ruth A. Abston, Michael R. Cates, Steve W. Allison
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Patent number: 5986272Abstract: A method for determining the temperature of a fluorescing phosphor is provided, together with an apparatus for performing the method. The apparatus includes a photodetector for detecting light emitted by a phosphor irradiated with an excitation pulse and for converting the detected light into an electrical signal. The apparatus further includes a differentiator for differentiating the electrical signal and a zero-crossing discrimination circuit that outputs a pulse signal having a pulse width corresponding to the time period between the start of the excitation pulse and the time when the differentiated electrical signal reaches zero. The width of the output pulse signal is proportional to the decay-time constant of the phosphor.Type: GrantFiled: April 19, 1999Date of Patent: November 16, 1999Assignee: American Iron and Steel InstituteInventors: Charles L. Britton, Jr., David L. Beshears, Marc L. Simpson, Michael R. Cates, Steve W. Allison
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Patent number: 5949539Abstract: A method for determining the decay-time constant of a fluorescing phosphor is provided, together with an apparatus for performing the method. The apparatus includes a photodetector for detecting light emitted by a phosphor irradiated with an excitation pulse and for converting the detected light into an electrical signal. The apparatus further includes a differentiator for differentiating the electrical signal and a zero-crossing discrimination circuit that outputs a pulse signal having a pulse width corresponding to the time period between the start of the excitation pulse and the time when the differentiated electrical signal reaches zero. The width of the output pulse signal is proportional to the decay-time constant of the phosphor.Type: GrantFiled: November 10, 1997Date of Patent: September 7, 1999Assignee: American Iron and Steel InstituteInventors: Charles L. Britton, Jr., David L. Beshears, Marc L. Simpson, Michael R. Cates, Steve W. Allison
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Patent number: 5914785Abstract: This invention relates to a method and apparatus for making absolute distance or ranging measurements using Fresnel diffraction. The invention employs a source of electromagnetic radiation having a known wavelength or wavelength distribution, which sends a beam of electromagnetic radiation through an object which causes it to be split (hereinafter referred to as a "beamsplitter"), and then to a target. The beam is reflected from the target onto a screen containing an aperture spaced a known distance from the beamsplitter. The aperture is sized so as to produce a Fresnel diffraction pattern. A portion of the beam travels through the aperture to a detector, spaced a known distance from the screen. The detector detects the central intensity of the beam. The distance from the object which causes the beam to be split to the target can then be calculated based upon the known wavelength, aperture radius, beam intensity, and distance from the detector to the screen.Type: GrantFiled: February 4, 1998Date of Patent: June 22, 1999Assignees: The University of Tennesee Research Corporation, Lockheed Martin Energy Research CorporationInventors: Stephen W. Allison, Michael R. Cates, William S. Key, Alvin J. Sanders, Dennis D. Earl
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Patent number: 5885484Abstract: A high temperature phosphor consists essentially of a material having the general formula LuPO.sub.4 :Dy.sub.(x),Eu.sub.y) wherein: 0.1 wt %.ltoreq.x.ltoreq.20 wt % and 0.1 wt %.ltoreq.y.ltoreq.20 wt %.The high temperature phosphor is in contact with an article whose temperature is to be determined. The article having the phosphor in contact with it is placed in the environment for which the temperature of the article is to be determined. The phosphor is excited by a laser causing the phosphor to fluoresce. The emission from the phosphor is optically focused into a beam-splitting mirror which separates the emission into two separate emissions, the emission caused by the dysprosium dopant and the emission caused by the europium dopent. The separated emissions are optically filtered and the intensities of the emission are detected and measured. The ratio of the intensity of each emission is determined and the temperature of the article is calculated from the ratio of the intensities of the separate emissions.Type: GrantFiled: September 23, 1997Date of Patent: March 23, 1999Assignee: Lockheed Martin Energy Research Corp.Inventors: Stephen W. Allison, Michael R. Cates, Lynn A. Boatner, George T. Gillies
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Patent number: 5730528Abstract: A high temperature phosphor consists essentially of a material having the general formula LuPO.sub.4 :Dy.sub.(x),Eu.sub.(y), wherein: 0.1 wt %.ltoreq.x.ltoreq.20 wt % and 0.1 wt %.ltoreq.y.ltoreq.20 wt %. The high temperature phosphor is in contact with an article whose temperature is to be determined. The article having the phosphor in contact with it is placed in the environment for which the temperature of the article is to be determined. The phosphor is excited by a laser causing the phosphor to fluoresce. The emission from the phosphor is optically focused into a beam-splitting mirror which separates the emission into two separate emissions, the emission caused by the dysprosium dopant and the emission caused by the europium dopent. The separated emissions are optically filtered and the intensities of the emission are detected and measured.Type: GrantFiled: August 28, 1996Date of Patent: March 24, 1998Assignee: Lockheed Martin Energy Systems, Inc.Inventors: Stephen W. Allison, Michael R. Cates, Lynn A. Boatner, George T. Gillies
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Patent number: 5044765Abstract: A heat flux gauge comprising first and second thermographic phosphor layers separated by a layer of a thermal insulator. The gauge may be mounted on a surface with the first thermographic phosphor in contact with the surface. A light source is directed at the gauge, causing the phosphors to luminesce. The luminescence produced by the phosphors is collected and its spectra analyzed in order to determine the heat flux on the surface. First and second phosphor layers must be different materials to assure that the spectral lines collected will be distinguishable.Type: GrantFiled: August 24, 1990Date of Patent: September 3, 1991Assignee: United States Department of Energy and United States Department of Air ForceInventors: Bruce W. Noel, Henry M. Borella, Michael R. Cates, W. Dale Turley, Charles D. MaCarthur, Gregory C. Cala
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Patent number: 5026170Abstract: A heat flux gauge comprising first and second thermographic phosphor layers separated by a layer of a thermal insulator wherein each thermographic layer comprises a plurality of respective thermographic phosphors. The gauge may be mounted on a surface with the first thermographic phosphor in contact with the surface. A light source is directed at the gauge, causing the phosphors to luminesce. The luminescence produced by the phosphors is collected and its spectra analyzed in order to determine the heat flux on the surface. First and second phosphor layers must be different materials to assure that the spectral lines collected will be distinguishable.Type: GrantFiled: June 7, 1989Date of Patent: June 25, 1991Assignees: The United States of America as represented by the United States Department of Energy, The United States of America as represented by the Secretary of the Air ForceInventors: Bruce W. Noel, Henry M. Borella, Michael R. Cates, W. Dale Turley, Charles D. MacArthur, Gregory C. Cala
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Patent number: 5005984Abstract: A heat flux gauge comprising first and second thermographic phosphor layers separated by a layer of a thermal insulator, wherein each thermographic layer comprises a plurality of respective thermographic sensors in a juxtaposed relationship with respect to each other. The gauge may be mounted on a surface with the first thermographic phosphor in contact with the surface. A light source is directed at the gauge, causing the phosphors to luminesce. The luminescence produced by the phosphors is collected and its spectra analyzed in order to determine the heat flux on the surface. First and second phosphor layers must be different materials to assure that the spectral lines collected will be distinguishable.Type: GrantFiled: August 24, 1990Date of Patent: April 9, 1991Assignee: The United States of America as represented by the United States Department of EnergyInventors: Bruce W. Noel, Henry M. Borella, Michael R. Cates, W. Dale Turley, Charles D. MacArthur, Gregory C. Cala
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Patent number: 4497768Abstract: Simultaneous photon and neutron interrogation of samples for the quantitative determination of total fissile nuclide and total fertile nuclide material present is made possible by the use of an electron accelerator. Prompt and delayed neutrons produced from resulting induced fissions are counted using a single detection system and allow the resolution of the contributions from each interrogating flux leading in turn to the quantitative determination sought. Detection limits for .sup.239 Pu are estimated to be about 3 mg using prompt fission neutrons and about 6 mg using delayed neutrons.Type: GrantFiled: July 7, 1982Date of Patent: February 5, 1985Assignee: The United States of America as represented by the United States Department of EnergyInventors: John T. Caldwell, Walter E. Kunz, Michael R. Cates, Larry A. Franks