Patents by Inventor Christine Nortmeyer
Christine Nortmeyer 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: 11774395Abstract: A test element for electrochemically detecting at least one analyte in a bodily fluid is disclosed. The test element comprises at least one first electrode and at least one second electrode. The first electrode is designed as a working electrode and the second electrode is designed as a counter electrode. The test element comprises at least one capillary capable of receiving a sample of the body fluid. The first electrode and the second electrode are arranged on opposing sides of the capillary. The first electrode and the second electrode are arranged such that during a capillary filling the first electrode and the second electrode are wetted simultaneously and at an equal rate.Type: GrantFiled: November 30, 2020Date of Patent: October 3, 2023Assignee: Roche Diagnostics Operations, IncInventors: Klaus Andreas Bauer-Espindola, Michael Marquant, Christine Nortmeyer, Reiner Stein
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Patent number: 11697279Abstract: A method and a production device for producing a test element are disclosed. The method comprises providing in a transport step a continuous substrate tape, wherein the tape is transported in a transport direction parallel to a direction of extension of the continuous substrate tape; applying in an adhesive application step at least one continuous adhesive strip, wherein the strip is applied to the continuous substrate tape with a liquid adhesive and a slot coating process, and wherein the continuous adhesive strip is oriented parallel to the transport direction; applying in a cover element application step at least one cover element, wherein the at least one cover element is applied to the continuous adhesive strip, thereby securing the cover element to the continuous substrate tape; and individualizing in an individualization step the continuous substrate tape, wherein the tape is individualized into single test elements.Type: GrantFiled: December 8, 2015Date of Patent: July 11, 2023Assignee: ROCHE DIAGNOSTICS OPERATIONS, INC.Inventors: Kurt Klonig, Marc Moldt, Christine Nortmeyer
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Patent number: 11215577Abstract: A test system for analyzing a sample of a bodily fluid is provided and comprises: at least one test strip comprising at least one capillary channel comprising an inlet opening configured to receive the sample; a vent opening configured to provide an air vent to the capillary channel; and at least one zone consisting of a detection zone and a reagent zone; at least one measuring device configured for interacting with the test strip, the measuring device comprising at least one sealing element for hermetically sealing the vent opening from an ambient atmosphere; and at least one suction device adapted to provide an underpressure to the vent opening; wherein the measuring device further comprises at least one valve or is connectable to the valve, wherein the valve is configured to vent the vent opening of the test strip when the measuring device interacts with the test strip.Type: GrantFiled: November 9, 2018Date of Patent: January 4, 2022Assignee: Roche Diagnostics Operations, Inc.Inventors: Uwe Goebbert, EloĆsa Lopez-Calle, Michael Marquant, Christine Nortmeyer, Katja Reiter, Reiner Stein
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Patent number: 11099149Abstract: A test element for electrochemically detecting at least one analyte in a bodily fluid is disclosed. The test element comprises at least one first electrode and at least one second electrode. The first electrode is designed as a working electrode and the second electrode is designed as a counter electrode. The test element comprises at least one capillary capable of receiving a sample of the body fluid. The first electrode and the second electrode are arranged on opposing sides of the capillary. The first electrode and the second electrode are arranged such that during a capillary filling the first electrode and the second electrode are wetted simultaneously and at an equal rate.Type: GrantFiled: May 24, 2017Date of Patent: August 24, 2021Assignee: Roche Diagnostics Operations, Inc.Inventors: Klaus Andreas Bauer-Espindola, Michael Marquant, Christine Nortmeyer, Reiner Stein
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Publication number: 20210080420Abstract: A test element for electrochemically detecting at least one analyte in a bodily fluid is disclosed. The test element comprises at least one first electrode and at least one second electrode. The first electrode is designed as a working electrode and the second electrode is designed as a counter electrode. The test element comprises at least one capillary capable of receiving a sample of the body fluid. The first electrode and the second electrode are arranged on opposing sides of the capillary. The first electrode and the second electrode are arranged such that during a capillary filling the first electrode and the second electrode are wetted simultaneously and at an equal rate.Type: ApplicationFiled: November 30, 2020Publication date: March 18, 2021Applicant: Roche Diagnostics Operations, Inc.Inventors: Klaus Andreas Bauer-Espindola, Michael Marquant, Christine Nortmeyer, Reiner Stein
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Publication number: 20190079045Abstract: A test system for analyzing a sample of a bodily fluid is provided and comprises: at least one test strip comprising at least one capillary channel comprising an inlet opening configured to receive the sample; a vent opening configured to provide an air vent to the capillary channel; and at least one zone consisting of a detection zone and a reagent zone; at least one measuring device configured for interacting with the test strip, the measuring device comprising at least one sealing element for hermetically sealing the vent opening from an ambient atmosphere; and at least one suction device adapted to provide an underpressure to the vent opening; wherein the measuring device further comprises at least one valve or is connectable to the valve, wherein the valve is configured to vent the vent opening of the test strip when the measuring device interacts with the test strip.Type: ApplicationFiled: November 9, 2018Publication date: March 14, 2019Applicant: Roche Diagnostics Operations, Inc.Inventors: Uwe Goebbert, Eloisa Lopez-Calle, Michael Marquant, Christine Nortmeyer, Katja Reiter, Reiner Stein
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Patent number: 10180420Abstract: A method for detecting at least one analyte in a body fluid is disclosed comprising performing an optical measurement, wherein at least one test chemical is contacts the body fluid. The test chemical is an optical test chemical adapted to perform at least one detection reaction, wherein at least one optically detectable property is changed due to the detection reaction to provide at least one optical measurement value. At least one impedance measurement is generated wherein at least one alternating electrical signal is applied to the body fluid via the impedance measurement electrodes and at least one answer signal is recorded, and at least one impedance measurement value is generated. At least one evaluation step is performed wherein at least one evaluation algorithm is used, and the optical measurement value and the impedance measurement value are used for determining a concentration of the analyte in the body fluid.Type: GrantFiled: December 9, 2015Date of Patent: January 15, 2019Assignee: Roche Diagnostics Operations, Inc.Inventors: Klaus Andreas Bauer-Espindola, Carina Horn, Michael Marquant, Christine Nortmeyer, Volker Unkrig
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Patent number: 9988358Abstract: The present invention relates to a chemical compound or a salt or solvate thereof being an 1-amino-phenazine derivative and to uses thereof. The present invention further relates to a chemistry matrix and to a test element comprising the aforesaid chemical compound. Moreover, the present invention relates to a method for determining the amount of an analyte in a sample, comprising contacting said sample with a chemistry matrix according to the present invention, estimating the amount of electrons liberated or consumed by the chemistry matrix in the presence of said liquid sample, and thereby determining the amount of an analyte in a liquid sample.Type: GrantFiled: October 11, 2016Date of Patent: June 5, 2018Assignee: ROCHE DIAGNOSTICS OPERATIONS, INC.Inventors: Dieter Heindl, Christine Nortmeyer, Peter Gebauer, Stacy H. Duvall, Klaus Andreas Bauer-Espindola
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Publication number: 20170254772Abstract: A test element for electrochemically detecting at least one analyte in a bodily fluid is disclosed. The test element comprises at least one first electrode and at least one second electrode. The first electrode is designed as a working electrode and the second electrode is designed as a counter electrode. The test element comprises at least one capillary capable of receiving a sample of the body fluid. The first electrode and the second electrode are arranged on opposing sides of the capillary. The first electrode and the second electrode are arranged such that during a capillary filling the first electrode and the second electrode are wetted simultaneously and at an equal rate.Type: ApplicationFiled: May 24, 2017Publication date: September 7, 2017Inventors: Klaus Andreas Bauer-Espindola, Michael Marquant, Christine Nortmeyer, Reiner Stein
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Publication number: 20170226068Abstract: The present invention relates to a chemical compound or a salt or solvate thereof being an 1-amino-phenazine derivative and to uses thereof. The present invention further relates to a chemistry matrix and to a test element comprising the aforesaid chemical compound. Moreover, the present invention relates to a method for determining the amount of an analyte in a sample, comprising contacting said sample with a chemistry matrix according to the present invention, estimating the amount of electrons liberated or consumed by the chemistry matrix in the presence of said liquid sample, and thereby determining the amount of an analyte in a liquid sample.Type: ApplicationFiled: October 11, 2016Publication date: August 10, 2017Inventors: Dieter Heindl, Christine Nortmeyer, Peter Gebauer, Stacy H. Duvall, Klaus Andreas Bauer-Espindola
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Publication number: 20160089867Abstract: A method and a production device for producing a test element are disclosed. The method comprises providing in a transport step a continuous substrate tape, wherein the tape is transported in a transport direction parallel to a direction of extension of the continuous substrate tape; applying in an adhesive application step at least one continuous adhesive strip, wherein the strip is applied to the continuous substrate tape with a liquid adhesive and a slot coating process, and wherein the continuous adhesive strip is oriented parallel to the transport direction; applying in a cover element application step at least one cover element, wherein the at least one cover element is applied to the continuous adhesive strip, thereby securing the cover element to the continuous substrate tape; and individualizing in an individualization step the continuous substrate tape, wherein the tape is individualized into single test elements.Type: ApplicationFiled: December 8, 2015Publication date: March 31, 2016Inventors: Kurt Klonig, Marc Moldt, Christine Nortmeyer
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Publication number: 20160091482Abstract: A method for detecting at least one analyte in a body fluid is disclosed comprising performing an optical measurement, wherein at least one test chemical is contacts the body fluid. The test chemical is an optical test chemical adapted to perform at least one detection reaction, wherein at least one optically detectable property is changed due to the detection reaction to provide at least one optical measurement value. At least one impedance measurement is generated wherein at least one alternating electrical signal is applied to the body fluid via the impedance measurement electrodes and at least one answer signal is recorded, and at least one impedance measurement value is generated. At least one evaluation step is performed wherein at least one evaluation algorithm is used, and the optical measurement value and the impedance measurement value are used for determining a concentration of the analyte in the body fluid.Type: ApplicationFiled: December 9, 2015Publication date: March 31, 2016Inventors: Klaus Andreas Bauer-Espindola, Carina Horn, Michael Marquant, Christine Nortmeyer, Volker Unkrig
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Patent number: 8137980Abstract: The invention concerns a reagent system for the so-called on-board control of analytical elements, in particular test strips, containing an organic N-oxide or a nitroso compound. The invention also concerns analytical elements containing a reagent system for a detection reaction and a reagent system for an on-board control. Furthermore, the invention concerns a method for checking analytical elements in which a reagent system for an on-board control is examined optically or electrochemically with the aid of a measuring instrument for changes which could indicate a stress of the analytical element.Type: GrantFiled: February 22, 2011Date of Patent: March 20, 2012Assignee: Roche Diagnostics Operations, Inc.Inventors: Volker Unkrig, Christine Nortmeyer, Carina Horn, Michael Marquant, Mihail Onoriu Lungu, Joachim Hoenes, Holger Kotzan, Joerg Dreibholz
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Publication number: 20110177605Abstract: The invention concerns a reagent system for the so-called on-board control of analytical elements, in particular test strips, containing an organic N-oxide or a nitroso compound. The invention also concerns analytical elements containing a reagent system for a detection reaction and a reagent system for an on-board control. Furthermore, the invention concerns a method for checking analytical elements in which a reagent system for an on-board control is examined optically or electrochemically with the aid of a measuring instrument for changes which could indicate a stress of the analytical element.Type: ApplicationFiled: February 22, 2011Publication date: July 21, 2011Applicant: ROCHE DIAGNOSTICS OPERATIONS, INC.Inventors: Volker Unkrig, Christine Nortmeyer, Carina Horn, Michael Marquant, Mihail-Onoriu Lungu, Joachim Hoenes, Holger Kotzan, Joerg Dreibholz
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Patent number: 7914752Abstract: The invention concerns a reagent system for the so-called on-board control of analytical elements, in particular test strips, containing an organic N-oxide or a nitroso compound. The invention also concerns analytical elements containing a reagent system for a detection reaction and a reagent system for an on-board control. Furthermore, the invention concerns a method for checking analytical elements in which a reagent system for an on-board control is examined optically or electrochemically with the aid of a measuring instrument for changes which could indicate a stress of the analytical element.Type: GrantFiled: October 12, 2004Date of Patent: March 29, 2011Assignee: Roche Diagnostics Operations, Inc.Inventors: Volker Unkrig, Christine Nortmeyer, Carina Horn, Michael Marquant, Mihail-Onoriu Lungu, Joachim Hoenes, Holger Kotzan, Joerg Dreibholz
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Publication number: 20050191431Abstract: The present invention is generally directed towards a method for producing an analytical test strip. More particularly to a method of producing a test strip having an insulating substrate provided with a layer electrode wherein the test strip has an increased hydrophilic property.Type: ApplicationFiled: January 26, 2005Publication date: September 1, 2005Inventors: Carina Horn, Volker Unkrig, Christine Nortmeyer
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Publication number: 20050142032Abstract: A test system for determining an analyte in a liquid sample is provided comprising at least two compartments, wherein the detection reactions necessary to determine the analyte are carried out in a first compartment and an analytical determination of at least one substance which participates in the detection reactions and is different from the analyte, the indicator substance, takes place in a second compartment. The two compartments are separated from one another in a manner which allows the indicator substance to pass into the second compartment and at least partially prevents passage of other substances that could interfere with the analytical determination of the indicator substance in the second compartment. At least one other substance is present in an immobilized form in the second compartment which, as a capture substance, selectively enriches the indicator substance in the second compartment.Type: ApplicationFiled: October 29, 2004Publication date: June 30, 2005Inventors: Joachim Hoenes, Christine Nortmeyer, Carina Horn
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Publication number: 20050123441Abstract: The invention concerns a reagent system for the so-called on-board control of analytical elements, in particular test strips, containing an organic N-oxide or a nitroso compound. The invention also concerns analytical elements containing a reagent system for a detection reaction and a reagent system for an on-board control. Furthermore, the invention concerns a method for checking analytical elements in which a reagent system for an on-board control is examined optically or electrochemically with the aid of a measuring instrument for changes which could indicate a stress of the analytical element.Type: ApplicationFiled: October 12, 2004Publication date: June 9, 2005Inventors: Volker Unkrig, Christine Nortmeyer, Carina Horn, Michael Marquant, Mihail-Onoriu Lungu, Joachim Hoenes, Holger Kotzan, Joerg Dreibholz
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Publication number: 20030146113Abstract: The invention concerns an electrochemical sensor based on dry chemistry for determining blood coagulation or individual coagulation factors which has at least two electrodes on an inert support as well as a dry reagent, characterized in that the reagent contains a protease substrate which is composed of a peptide residue that can be cleaved off by a thrombin and is bound to a phenylenediamine residue via an amide bond at its carboxyl end andType: ApplicationFiled: December 6, 2002Publication date: August 7, 2003Inventors: Volker Unkrig, Michael Marquant, Fritz Hindelang, Holger Kotzan, Carina Horn, Christine Nortmeyer