Patents by Inventor Tahir S. Khan
Tahir S. Khan 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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Publication number: 20240027390Abstract: Analyte sensor comprises a substrate having an upper surface including a first portion and a second exposed portion, an electrode layer disposed on the first portion and having an elongate body comprising a proximal end and a distal end, the electrode layer including an active working electrode area having a surface area of between 0.15 mm2 to 0.25 mm2, at least one sensing spot with at least one analyte responsive enzyme disposed on the active working electrode area. Additional analyte sensors are disclosed.Type: ApplicationFiled: July 18, 2023Publication date: January 25, 2024Applicant: ABBOTT DIABETES CARE INC.Inventors: Udo Hoss, Max Garbett, Andrew James Bull, Stephen Oja, Benjamin J. Feldman, Lam N. Tran, Jean-Pierre Babka, Mark Stephen Yahnke, Tahir S. Khan, Adrian Petyt, Mark Alan Schulz, Andrew McGibbon, Owen Daniel Reynolds
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Publication number: 20230389838Abstract: Systems, devices, kits, and methods are provided herein in the form of example embodiments that relate to calibration of medical devices. The medical devices can be sensors adapted to sense a biochemical attribute. The embodiments can be used to determine calibration information specific to an individual medical device. The embodiments can determine the calibration information by reference to one or more parameters obtained during manufacturing of the medical device. The embodiments can also determine the calibration information by reference to in vitro testing of the medical devices. The embodiments also apply to systems incorporating those medical devices in their use in the field. Also described are embodiments of modifications to surfaces of sensor substrates, such as through applied radiation and/or the creation of a well, to aid in the placement and/or sizing of a sensor element on the substrate.Type: ApplicationFiled: August 15, 2023Publication date: December 7, 2023Applicant: ABBOTT DIABETES CARE INC.Inventors: Steven Scott, Christopher J. Bennell, Claire Bhogal, Katie A. Cranfield, Marc B. Taub, Bree M. Winter, Owen D. Reynolds, Jean-Pierre Babka, Dharmendra S. Patel, Christopher A. Thomas, Udo Hoss, Mark S. Yahnke, Tahir S. Khan
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Publication number: 20230028587Abstract: Systems, devices, kits, and methods are provided herein in the form of example embodiments that relate to calibration of medical devices. The medical devices can be sensors adapted to sense a biochemical attribute. The embodiments can be used to determine calibration information specific to an individual medical device. The embodiments can determine the calibration information by reference to one or more parameters obtained during manufacturing of the medical device. The embodiments can also determine the calibration information by reference to in vitro testing of the medical devices. The embodiments also apply to systems incorporating those medical devices in their use in the field. Also described are embodiments of modifications to surfaces of sensor substrates, such as through applied radiation and/or the creation of a well, to aid in the placement and/or sizing of a sensor element on the substrate.Type: ApplicationFiled: September 22, 2022Publication date: January 26, 2023Applicant: ABBOTT DIABETES CARE INC.Inventors: Steven Scott, Christopher J. Bennell, Claire Bhogal, Katie A. Cranfield, Marc B. Taub, Bree M. Winter, Owen D. Reynolds, Jean-Pierre Babka, Dharmendra S. Patel, Christopher A. Thomas, Udo Hoss, Mark S. Yahnke, Tahir S. Khan
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Publication number: 20220386903Abstract: Systems, devices, kits, and methods are provided herein in the form of example embodiments that relate to calibration of medical devices. The medical devices can be sensors adapted to sense a biochemical attribute. The embodiments can be used to determine calibration information specific to an individual medical device. The embodiments can determine the calibration information by reference to one or more parameters obtained during manufacturing of the medical device. The embodiments can also determine the calibration information by reference to in vitro testing of the medical devices. The embodiments also apply to systems incorporating those medical devices in their use in the field. Also described are embodiments of modifications to surfaces of sensor substrates, such as through applied radiation and/or the creation of a well, to aid in the placement and/or sizing of a sensor element on the substrate.Type: ApplicationFiled: August 19, 2022Publication date: December 8, 2022Applicant: ABBOTT DIABETES CARE INC.Inventors: Steven Scott, Christopher J. Bennell, Claire Bhogal, Katie A. Cranfield, Marc B. Taub, Bree M. Winter, Owen D. Reynolds, Jean-Pierre Babka, Dharmendra S. Patel, Christopher A. Thomas, Udo Hoss, Mark S. Yahnke, Tahir S. Khan
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Publication number: 20220087576Abstract: Systems, devices, kits, and methods are provided herein in the form of example embodiments that relate to calibration of medical devices. The medical devices can be sensors adapted to sense a biochemical attribute. The embodiments can be used to determine calibration information specific to an individual medical device. The embodiments can determine the calibration information by reference to one or more parameters obtained during manufacturing of the medical device. The embodiments can also determine the calibration information by reference to in vitro testing of the medical devices. The embodiments also apply to systems incorporating those medical devices in their use in the field. Also described are embodiments of modifications to surfaces of sensor substrates, such as through applied radiation and/or the creation of a well, to aid in the placement and/or sizing of a sensor element on the substrate.Type: ApplicationFiled: December 6, 2021Publication date: March 24, 2022Applicant: ABBOTT DIABETES CARE INC.Inventors: Steven Scott, Christopher J. Bennell, Claire Bhogal, Katie A. Cranfield, Marc B. Taub, Bree M. Winter, Owen D. Reynolds, Jean-Pierre Babka, Dharmendra S. Patel, Christopher A. Thomas, Udo Hoss, Mark S. Yahnke, Tahir S. Khan
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Publication number: 20220007978Abstract: Analyte sensors are being increasingly employed for monitoring various analytes in vivo. Analyte sensors may feature enhancements to address signals obtained from interferent species. Some analyte sensors may comprise a working electrode comprising an active area disposed thereon and electrode asperities laser planed therefrom. Some analyte sensors may comprise an interferent-reactant species incorporated therewith. Some analyte sensors may comprise an interferent scrubbing electrode. Combinations of these enhancements may additionally be employed.Type: ApplicationFiled: June 15, 2021Publication date: January 13, 2022Applicant: ABBOTT DIABETES CARE INC.Inventors: Stephen Oja, Cade Brylee Fox, Lam N. Tran, Zenghe Liu, Benjamin J. Feldman, Udo Hoss, Mark Stephen Yahnke, Tahir S. Khan, Jean-Pierre Babka, Owen Daniel Reynolds
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Publication number: 20210386340Abstract: Analyte sensors are being increasingly employed for monitoring various analytes in vivo. Analyte sensors may feature enhancements to address signals obtained from interferent species. Some analyte sensors may comprise a working electrode having sensing portion and an exposed electrode portion, wherein the sensing portion comprises an active area having an analyte-responsive enzyme disposed thereupon and the exposed electrode portion comprises no active area. The exposed electrode portion and the sensing portion may be present in a ratio of and about 1:10 to about 10:1.Type: ApplicationFiled: June 15, 2021Publication date: December 16, 2021Applicant: ABBOTT DIABETES CARE INC.Inventors: Stephen Oja, Benjamin J. Feldman, Lam N. Tran, Jean-Pierre Babka, Mark Stephen Yahnke, Tahir S. Khan, Max Garbett, Adrian Petyt, Mark Alan Schulz, Andrew McGibbon, Andrew James Bull, Udo Hoss
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Publication number: 20210386339Abstract: Analyte sensors are being increasingly employed for monitoring various analytes in vivo. Analyte sensors may feature enhancements to address signals obtained from interferent species. Some analyte sensors may comprise an analyte sensor comprising a working electrode comprising an active area disposed thereon and electrode asperities laser planed therefrom, the active area comprising an analyte-responsive enzyme. Methods include laser singulating a working electrode, the working electrode comprising an active area disposed thereupon and electrode asperities, the active area comprising an analyte-responsive enzyme, and laser planing at least a portion of the electrode asperities.Type: ApplicationFiled: June 15, 2021Publication date: December 16, 2021Applicant: ABBOTT DIABETES CARE INC.Inventors: Udo Hoss, Mark Stephen Yahnke, Tahir S. Khan, Jean-Pierre Babka, Owen Daniel Reynolds
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Patent number: 11191463Abstract: Systems, devices, kits, and methods are provided herein in the form of example embodiments that relate to calibration of medical devices. The medical devices can be sensors adapted to sense a biochemical attribute. The embodiments can be used to determine calibration information specific to an individual medical device. The embodiments can determine the calibration information by reference to one or more parameters obtained during manufacturing of the medical device. The embodiments can also determine the calibration information by reference to in vitro testing of the medical devices. The embodiments also apply to systems incorporating those medical devices in their use in the field. Also described are embodiments of modifications to surfaces of sensor substrates, such as through applied radiation and/or the creation of a well, to aid in the placement and/or sizing of a sensor element on the substrate.Type: GrantFiled: May 3, 2021Date of Patent: December 7, 2021Assignee: ABBOTT DIABETES CARE INC.Inventors: Steven Scott, Christopher J. Bennell, Claire Bhogal, Katie A. Cranfield, Marc B. Taub, Bree M. Winter, Owen D. Reynolds, Jean-Pierre Babka, Dharmendra S. Patel, Christopher A. Thomas, Udo Hoss, Mark S. Yahnke, Tahir S. Khan
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Publication number: 20090294277Abstract: Method and system for providing a substrate, forming a plurality of electrodes on the substrate, the electrodes including a thin gold layer on the substrate, the gold layer having a thickness of less than approximately 120 nm, and further, each of the formed plurality of electrodes are co-planar relative to each other, and providing a coverlay over at least a portion of the each of the plurality of electrodes are provided.Type: ApplicationFiled: May 30, 2008Publication date: December 3, 2009Applicant: Abbott Diabetes Care, Inc.Inventors: Christopher Allen Thomas, Tahir S. Khan
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Patent number: 6855243Abstract: Electrochemical test strips and methods for their use in the detection of an analyte in a physiological sample are provided. The subject test strips have a plurality of reaction zones defined by opposing metal electrodes separated by a thin spacer layer. The reagent compositions present in each reaction zone may be the same or different. In addition, each reaction zone may have a separate fluid ingress channel, or two or more of the reaction zones may have fluid ingress channels that merge into a single channel. The subject electrochemical test strips find application in the detection of a wide variety of analytes, and are particularly suited for use the detection of glucose.Type: GrantFiled: April 27, 2001Date of Patent: February 15, 2005Assignee: LifeScan, Inc.Inventor: Tahir S. Khan
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Publication number: 20040217016Abstract: Electrochemical test strips and methods for their use in the detection of an analyte in a physiological sample are provided. The subject test strips have a plurality of reaction zones defined by opposing metal electrodes separated by a thin spacer layer. The reagent compositions present in each reaction zone may be the same or different. In addition, each reaction zone may have a separate fluid ingress channel, or two or more of the reaction zones may have fluid ingress channels that merge into a single channel. The subject electrochemical test strips find application in the detection of a wide variety of analytes, and are particularly suited for use the detection of glucose.Type: ApplicationFiled: April 27, 2001Publication date: November 4, 2004Inventor: Tahir S. Khan
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Publication number: 20040118705Abstract: Electrochemical test strips and methods for their use in the detection of an analyte in a physiological sample are provided. The subject test strips have a plurality of reaction zones defined by opposing metal electrodes separated by a thin spacer layer. The reagent compositions present in each reaction zone may be the same or different. In addition, each reaction zone may have a separate fluid ingress channel, or two or more of the reaction zones may have fluid ingress channels that merge into a single channel. The subject electrochemical test strips find application in the detection of a wide variety of analytes, and are particularly suited for use the detection of glucose.Type: ApplicationFiled: December 10, 2003Publication date: June 24, 2004Inventor: Tahir S. Khan