Patents by Inventor Minglian Shi
Minglian Shi 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: 11963767Abstract: Various examples described herein are directed to systems and methods of detecting damage to an analyte sensor using analyte sensor impedance values. In some examples, a method of assessing sensor membrane integrity using sensor electronics comprises determining an impedance parameter of an analyte sensor and determining a membrane integrity state of the analyte sensor based on the impedance parameter.Type: GrantFiled: December 27, 2019Date of Patent: April 23, 2024Assignee: Dexcom, Inc.Inventors: Sebastian Bohm, Anna Claire Harley-Trochimczyk, Daiting Rong, Rui Ma, Wenjie Lan, Minglian Shi, Disha B. Sheth, Vincent P. Crabtree, Kamuran Turksoy
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Publication number: 20230148920Abstract: This document discusses, among other things, systems and methods to compensate for the effects of temperature on sensors, such as analyte sensor. An example method may include determining a temperature-compensated glucose concentration level by receiving a temperature signal indicative of a temperature parameter of an external component, receiving a glucose signal indicative of an in vivo glucose concentration level, and determining a compensated glucose concentration level based on the glucose signal, the temperature signal, and a delay parameter.Type: ApplicationFiled: October 6, 2022Publication date: May 18, 2023Inventors: Anna Harley-Trochimczyk, Sebastian Bohm, Rui Ma, Disha Sheth, Minglian Shi, Kamuran Turksoy
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Publication number: 20230108235Abstract: This document discusses, among other things, systems and methods to compensate for the effects of temperature on sensors, such as analyte sensor. An example method may include determining a temperature-compensated glucose concentration level by receiving a temperature signal indicative of a temperature parameter of an external component, receiving a glucose signal indicative of an in vivo glucose concentration level, and determining a compensated glucose concentration level based on the glucose signal, the temperature signal, and a delay parameter.Type: ApplicationFiled: October 6, 2022Publication date: April 6, 2023Inventors: Anna Harley-Trochimczyk, Sebastian Bohm, Rui Ma, Disha Sheth, Minglian Shi, Kamuran Turksoy
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Patent number: 11559230Abstract: This document discusses, among other things, systems and methods to compensate for the effects of temperature on sensors, such as analyte sensor. An example method may include determining a temperature-compensated glucose concentration level by receiving a temperature signal indicative of a temperature parameter of an external component, receiving a glucose signal indicative of an in vivo glucose concentration level, and determining a compensated glucose concentration level based on the glucose signal, the temperature signal, and a delay parameter.Type: GrantFiled: January 22, 2019Date of Patent: January 24, 2023Assignee: Dexcom, Inc.Inventors: Anna Claire Harley-Trochimczyk, Sebastian Böhm, Rui Ma, Disha B. Sheth, Minglian Shi, Kamuran Turksoy
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Patent number: 11484233Abstract: This document discusses, among other things, systems and methods to compensate for the effects of temperature on sensors, such as analyte sensor. An example method may include determining a temperature-compensated glucose concentration level by receiving a temperature signal indicative of a temperature parameter of an external component, receiving a glucose signal indicative of an in vivo glucose concentration level, and determining a compensated glucose concentration level based on the glucose signal, the temperature signal, and a delay parameter.Type: GrantFiled: January 22, 2019Date of Patent: November 1, 2022Assignee: Dexcom, Inc.Inventors: Anna Claire Harley-Trochimczyk, Sebastian Böhm, Rui Ma, Disha B. Sheth, Minglian Shi, Kamuran Turksoy
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Patent number: 11484232Abstract: This document discusses, among other things, systems and methods to compensate for the effects of temperature on sensors, such as analyte sensor. An example method may include determining a temperature-compensated glucose concentration level by receiving a temperature signal indicative of a temperature parameter of an external component, receiving a glucose signal indicative of an in vivo glucose concentration level, and determining a compensated glucose concentration level based on the glucose signal, the temperature signal, and a delay parameter.Type: GrantFiled: January 22, 2019Date of Patent: November 1, 2022Assignee: Dexcom, Inc.Inventors: Anna Claire Harley-Trochimczyk, Sebastian Böhm, Rui Ma, Disha B. Sheth, Minglian Shi, Kamuran Turksoy
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Publication number: 20220095968Abstract: Various examples are directed to systems and methods for generating an estimated analyte value. An analyte sensor system may access a first sensor signal from an in vivo analyte sensor and a first temperature signal from the ex vivo temperature sensor. The analyte sensor system may generate a first analyte sensor temperature based at least in part on the first temperature signal and generate a first estimated analyte value based at least in part on the first sensor signal and the first temperature-compensated sensitivity.Type: ApplicationFiled: December 8, 2021Publication date: March 31, 2022Inventors: Liang Wang, Shwetha Edla, Ghazaleh R. Esmaili, Hossein Mohammadiarani, Sebastian Bohm, Rui Ma, Minglian Shi, Anna Harley-Trochimczyk
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Publication number: 20210361200Abstract: Sensor systems can be used to measure an analyte concentration. Sensor systems can include a base having a distal side configured to face towards a person's skin. An adhesive can couple the base to the skin. A transcutaneous analyte measurement sensor can be coupled to the base and can be located at least partially in the host. A transmitter can be coupled to the base and can transmit analyte measurement data to a remote device.Type: ApplicationFiled: June 8, 2021Publication date: November 25, 2021Inventors: Peter C. Simpson, Minglian Shi, Sebastian Bohm, Maria Noel Brown Wells, John Patrick Majewski, Leah Morta Edra, Disha B. Sheth, John Michael Gray, Shanger Wang, Ted Tang Lee, Michael L. Moore, Jason Mitchell, Jennifer Blackwell, Neel Narayan Shah, Todd Andrew Newhouse, Jason Halac, Ryan Everett Schoonmaker, Paul V. Neale, Jiong Zou, Sean T. Saint
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Patent number: 11058329Abstract: Sensor systems can be used to measure an analyte concentration. Sensor systems can include a base having a distal side configured to face towards a person's skin. An adhesive can couple the base to the skin. A transcutaneous analyte measurement sensor can be coupled to the base and can be located at least partially in the host. A transmitter can be coupled to the base and can transmit analyte measurement data to a remote device.Type: GrantFiled: October 30, 2017Date of Patent: July 13, 2021Assignee: DexCom, Inc.Inventors: Peter C. Simpson, Minglian Shi, Sebastian Bohm, Maria Noel Brown Wells, John Patrick Majewski, Leah Morta Edra, Disha B. Sheth, John Michael Gray, Shanger Wang, Ted Tang Lee, Michael L. Moore, Jason Mitchell, Jennifer Blackwell, Neel Narayan Shah, Todd Andrew Newhouse, Jason Halac, Ryan Everett Schoonmaker, Paul V. Neale, Jiong Zou, Sean T. Saint
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Patent number: 10827955Abstract: Sensor systems can be used to measure an analyte concentration. Sensor systems can include a base having a distal side configured to face towards a person's skin. An adhesive can couple the base to the skin. A transcutaneous analyte measurement sensor can be coupled to the base and can be located at least partially in the host. A transmitter can be coupled to the base and can transmit analyte measurement data to a remote device.Type: GrantFiled: October 30, 2017Date of Patent: November 10, 2020Assignee: DexCom, Inc.Inventors: Peter C. Simpson, Minglian Shi, Sebastian Bohm, John Patrick Majewski, Maria Noel Brown Wells, Leah Morta Edra, Disha B. Sheth, John Michael Gray, Shanger Wang, Ted Tang Lee, Michael L. Moore, Jason Mitchell, Jennifer Blackwell, Neel Narayan Shah, Todd Andrew Newhouse, Jason Halac, Ryan Everett Schoonmaker, Paul V. Neale, Jiong Zou, Sean T. Saint
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Publication number: 20200205694Abstract: Various examples are directed to systems and methods for operating an analyte sensor system using sensor electronics. An example method may comprise applying a bias voltage change to an analyte sensor bias voltage and measuring a current value for each of a plurality of time periods after application of the bias voltage change. The example method may also comprise determining an estimated impedance using the current values for the plurality of time periods and determining a characteristic of the analyte sensor using the estimated impedance. The example method may further comprise receiving from the analyte sensor a signal indicative of an analyte concentration, and determining an estimated analyte concentration level using the determined characteristic of the analyte sensor and the received signal.Type: ApplicationFiled: December 27, 2019Publication date: July 2, 2020Inventors: Sebastian Bohm, Anna Claire Harley-Trochimczyk, Daiting Rong, Rui Ma, Wenjie Lan, Minglian Shi, Disha B. Sheth
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Publication number: 20200209179Abstract: Various examples described herein are directed to systems and methods of detecting damage to an analyte sensor using analyte sensor impedance values. In some examples, a method of assessing sensor membrane integrity using sensor electronics comprises determining an impedance parameter of an analyte sensor and determining a membrane integrity state of the analyte sensor based on the impedance parameter.Type: ApplicationFiled: December 27, 2019Publication date: July 2, 2020Inventors: Sebastian Bohm, Anna Claire Harley-Trochimczyk, Daiting Rong, Rui Ma, Wenjie Lan, Minglian Shi, Disha B. Sheth, Vincent P. Crabtree, Kamuran Turksoy
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Publication number: 20200205701Abstract: Various examples described herein are directed to systems and methods for determining an analyte concentration using an analyte sensor. A method may comprise disconnecting an analyte sensor from a measurement circuit and reconnecting the analyte sensor to the measurement circuit after an accumulation period. The method may comprise receiving a signal from the analyte sensor. The signal may be indicative of an amount of charge accumulated on the analyte sensor during the accumulation period. The method may also comprise determining an estimated analyte concentration level based on the received signal.Type: ApplicationFiled: December 27, 2019Publication date: July 2, 2020Inventors: Sebastian Bohm, Anna Claire Harley-Trochimczyk, Daiting Rong, Rui Ma, Wenjie Lan, Minglian Shi, Disha B. Sheth, Nicholas Kalfas
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Publication number: 20200205702Abstract: Various examples are directed to systems and methods of and using analyte sensors. An example analyte sensor system comprises an analyte sensor and a hardware device in communication with the analyte sensor. The hardware device may be configured to perform operations comprising applying a first bias voltage to the analyte sensor, the first bias voltage less than an operational bias voltage of the analyte sensor, measuring a first current at the analyte sensor when the first bias voltage is applied, and applying a second bias voltage to the analyte sensor. The operations may further comprise measuring a second current at the analyte sensor when the second bias voltage is applied, detecting a plateau bias voltage using the first current and the second current, determining that the plateau bias voltage is less than a plateau bias voltage threshold, and executing a responsive action at the analyte sensor.Type: ApplicationFiled: December 27, 2019Publication date: July 2, 2020Inventors: Sebastian Bohm, Anna Claire Harley-Trochimczyk, Daiting Rong, Rui Ma, Wenjie Lan, Minglian Shi, Disha B. Sheth, Nicholas Kalfas, Vincent P. Crabtree, Kamuran Turksoy
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Publication number: 20190223765Abstract: This document discusses, among other things, systems and methods to compensate for the effects of temperature on sensors, such as analyte sensor. An example method may include determining a temperature-compensated glucose concentration level by receiving a temperature signal indicative of a temperature parameter of an external component, receiving a glucose signal indicative of an in vivo glucose concentration level, and determining a compensated glucose concentration level based on the glucose signal, the temperature signal, and a delay parameter.Type: ApplicationFiled: January 22, 2019Publication date: July 25, 2019Inventors: Anna Claire Harley-Trochimczyk, Sebastian Böhm, Rui Ma, Disha B. Sheth, Minglian Shi, Kamuran Turksoy
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Publication number: 20190227022Abstract: This document discusses, among other things, systems and methods to compensate for the effects of temperature on sensors, such as analyte sensor. An example method may include determining a temperature-compensated glucose concentration level by receiving a temperature signal indicative of a temperature parameter of an external component, receiving a glucose signal indicative of an in vivo glucose concentration level, and determining a compensated glucose concentration level based on the glucose signal, the temperature signal, and a delay parameter.Type: ApplicationFiled: January 22, 2019Publication date: July 25, 2019Inventors: Anna Claire Harley-Trochimczyk, Sebastian Böhm, Rui Ma, Disha B. Sheth, Minglian Shi, Kamuran Turksoy
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Publication number: 20190223766Abstract: This document discusses, among other things, systems and methods to compensate for the effects of temperature on sensors, such as analyte sensor. An example method may include determining a temperature-compensated glucose concentration level by receiving a temperature signal indicative of a temperature parameter of an external component, receiving a glucose signal indicative of an in vivo glucose concentration level, and determining a compensated glucose concentration level based on the glucose signal, the temperature signal, and a delay parameter.Type: ApplicationFiled: January 22, 2019Publication date: July 25, 2019Inventors: Anna Claire Harley-Trochimczyk, Sebastian Böhm, Rui Ma, Disha B. Sheth, Minglian Shi, Kamuran Turksoy
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Publication number: 20180116570Abstract: Sensor systems can be used to measure an analyte concentration. Sensor systems can include a base having a distal side configured to face towards a person's skin. An adhesive can couple the base to the skin. A transcutaneous analyte measurement sensor can be coupled to the base and can be located at least partially in the host. A transmitter can be coupled to the base and can transmit analyte measurement data to a remote device.Type: ApplicationFiled: October 30, 2017Publication date: May 3, 2018Inventors: Peter C. Simpson, Minglian Shi, Sebastian Bohm, Maria Noel Brown Wells, John Patrick Majewski, Leah Ebuen Morta, Disha B. Sheth, John Michael Gray, Shanger Wang, Ted Tang Lee, Michael L. Moore, Jason Mitchell, Jennifer Blackwell, Neel Narayan Shah, Todd Andrew Newhouse, Jason Halac, Ryan Everett Schoonmaker, Paul V. Neale, Jiong Zou, Sean T. Saint
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Publication number: 20180116572Abstract: Sensor systems can be used to measure an analyte concentration. Sensor systems can include a base having a distal side configured to face towards a person's skin. An adhesive can couple the base to the skin. A transcutaneous analyte measurement sensor can be coupled to the base and can be located at least partially in the host. A transmitter can be coupled to the base and can transmit analyte measurement data to a remote device.Type: ApplicationFiled: October 30, 2017Publication date: May 3, 2018Inventors: Peter C. Simpson, Minglian Shi, Sebastian Bohm, John Patrick Majewski, Maria Noel Brown Wells, Leah Ebuen Morta, Disha B. Sheth, John Michael Gray, Shanger Wang, Ted Tang Lee, Michael L. Moore, Jason Mitchell, Jennifer Blackwell, Neel Narayan Shah, Todd Andrew Newhouse, Jason Halac, Ryan Everett Schoonmaker, Paul V. Neale, Jiong Zou, Sean T. Saint
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Patent number: 6176989Abstract: An electrochemical gas sensor including a sensor body having a cavity, an electrolyte in the cavity, an auxiliary electrode in contact with the electrolyte, a sensing electrode in contact with the electrolyte, and a blocking electrode in contact with the electrolyte. At least a portion of the blocking electrode is positioned intermediate the auxiliary electrode and the sensing electrode, and the blocking electrode reduces electroactive materials within the electrolyte. Also disclosed is a method for sensing a partial pressure of a target gas in a sample gas, the method including introducing the sample gas into a gas sensor, applying different potentials to the auxiliary electrode, sensing electrode and blocking electrode, reducing electroactive materials present in the electrolyte to prevent the electroactive materials from contacting the sensing electrode, and outputting an electrical signal from the gas sensor representative of the target gas partial pressure.Type: GrantFiled: December 28, 1998Date of Patent: January 23, 2001Assignee: Teledyne Technologies Incorp.Inventor: Minglian Shi