Patents by Inventor Jiong Zou
Jiong Zou 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: 12089933Abstract: Sensor devices including dissolvable tissue-piercing tips are provided. Methods of using and fabricating sensor devices are also provided.Type: GrantFiled: August 25, 2022Date of Patent: September 17, 2024Assignee: DEXCOM, INC.Inventors: Sebastian Bohm, Pradnya Prakash Samant, Jiong Zou
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Publication number: 20240293050Abstract: 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: April 25, 2024Publication date: September 5, 2024Inventors: 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: 11992312Abstract: 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: June 8, 2021Date of Patent: May 28, 2024Assignee: 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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Publication number: 20240138720Abstract: Disclosed are devices for determining an analyte concentration. The devices comprise a sensor configured to generate a signal associated with a concentration of an analyte and an electronics unit operatively connected to the sensor. The electronics unit may be engaged with a housing that may secure the device to a host's skin. In this regard, in one embodiment, the housing may be attached to an adhesive patch that is fastened to the skin of the host.Type: ApplicationFiled: November 21, 2023Publication date: May 2, 2024Applicant: Dexcom, Inc.Inventors: Ted Tang Lee, Andrew Trinin Dennis, Shanger Wang, Jiong Zou
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Publication number: 20240090802Abstract: A continuous (multi-)analyte sensor device is provided, comprising a (multi-)analyte sensor operably coupled to a signal transducer, the (multi-)analyte sensor comprising at least one membrane, the least one membrane comprising a least one first transducing element, and at least one of a mediator and/or a regenerative cofactor.Type: ApplicationFiled: September 1, 2023Publication date: March 21, 2024Applicant: DexCom, Inc.Inventors: Devon M. Headen, Joshua Ray Windmiller, Avid Najdahmadi, Sylvie Liong, Peter C. Simpson, Shannon Reuben Woodruff, Christina Rodriguez, Jiong Zou
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Publication number: 20240074682Abstract: Devices and methods for measuring a concentration of a target analyte in a biological fluid in vivo are provided herein. In some examples, a device includes an indwelling sensor and sensor electronics. The sensor may include a substrate; a first electrode disposed on the substrate; an ionophore disposed on the substrate to selectively transport the target ion to or within the first electrode; and a second electrode disposed on the substrate. The sensor electronics is configured to generate a signal corresponding to an electromotive force which is at least partially based on a potential difference that is generated between the first electrode and the second electrode responsive to the ionophore transporting the target ion to the first electrode.Type: ApplicationFiled: September 1, 2023Publication date: March 7, 2024Applicant: DexCom, Inc.Inventors: Berta Esteban Fernandez de Avila, Devon M. Headen, Stacy Hunt DuVall, Jiong Zou, Shane Richard Parnell, Nicholas Vincent Apollo, Joshua Ray Windmiller
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Publication number: 20230284944Abstract: Flexible analyte sensors are provided. Flexible analyte sensors may be flexible continuous analyte sensors that facilitate continuous monitoring of an analyte such as blood glucose. The flexible analyte sensor may have a relatively flexible conductive or non-conductive core, may be formed from a plurality of substantially planar layers, or may be configured to transform from a freestanding sensor ex vivo to a non-freestanding sensor in vivo.Type: ApplicationFiled: May 16, 2023Publication date: September 14, 2023Applicant: Dexcom, Inc.Inventors: Shanger Wang, Devon M. Headen, Sebastian Bohm, Jonathan Hughes, Ted Tang Lee, Peter C. Simpson, Jiong Zou
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Publication number: 20230138407Abstract: Disclosed are devices for determining an analyte concentration (e.g., glucose). The devices comprise a sensor configured to generate a signal associated with a concentration of an analyte and a sensing membrane located over the sensor. The sensing membrane comprises an enzyme layer, wherein the enzyme layer comprises an enzyme and a polymer comprising polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The enzyme layer protects the enzyme and prevents it from leaching from the sensing membrane into a host or deactivating.Type: ApplicationFiled: December 30, 2022Publication date: May 4, 2023Applicant: DexCom, Inc.Inventors: Jiong Zou, Robert J. Boock, Andrew Trinin Dennis, Ted Tang Lee, Jeff T. Suri, David Sze, Mark A. Tapsak, Huashi Zhang, Shanger Wang
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Publication number: 20230139158Abstract: Disclosed are devices for determining an analyte concentration (e.g., glucose). The devices comprise a sensor configured to generate a signal associated with a concentration of an analyte and a sensing membrane located over the sensor. The sensing membrane comprises an enzyme layer, wherein the enzyme layer comprises an enzyme and a polymer comprising polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The enzyme layer protects the enzyme and prevents it from leaching from the sensing membrane into a host or deactivating.Type: ApplicationFiled: December 27, 2022Publication date: May 4, 2023Applicant: DexCom, Inc.Inventors: Jiong Zou, Robert J. Boock, Andrew Trinin Dennis, Ted Tang Lee, Jeff T. Suri, David Sze, Mark A. Tapsak, Huashi Zhang, Shanger Wang
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Publication number: 20230073214Abstract: The present disclosure relates generally to bioactive releasing membranes utilized with implantable devices, such as devices for the detection of analyte concentrations in a biological sample. More particularly, the disclosure relates to novel bioactive releasing membranes, to devices and implantable devices including these membranes, methods for forming the bioactive releasing membranes on or around the implantable devices, and to methods for monitoring analyte levels in a biological fluid sample using an implantable analyte detection device.Type: ApplicationFiled: September 15, 2022Publication date: March 9, 2023Applicant: DexCom, Inc.Inventors: Shanger Wang, Mahender Nath Avula, Chris Dring, Ted Tang Lee, Xiangyou Liu, Shane Richard Parnell, Jiong Zou
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Publication number: 20220409138Abstract: Sensor devices including dissolvable tissue-piercing tips are provided. Methods of using and fabricating sensor devices are also provided.Type: ApplicationFiled: August 25, 2022Publication date: December 29, 2022Applicant: DexCom, Inc.Inventors: Sebastian Bohm, Pradnya Prakash Samant, Jiong Zou
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Patent number: 11457870Abstract: Sensor devices including dissolvable tissue-piercing tips are provided. Methods of using and fabricating sensor devices are also provided.Type: GrantFiled: January 16, 2018Date of Patent: October 4, 2022Assignee: DEXCOM, INC.Inventors: Sebastian Bohm, Pradnya Prakash Samant, Jiong Zou
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Publication number: 20220296867Abstract: The present disclosure relates generally to drug releasing membranes utilized with implantable devices, such as devices for the detection of analyte concentrations in a biological sample. More particularly, the disclosure relates to novel drug releasing membranes, to devices and implantable devices including these membranes, methods for forming the drug releasing membranes on or around the implantable devices, and to methods for monitoring analyte levels in a biological fluid sample using an implantable analyte detection device.Type: ApplicationFiled: March 17, 2022Publication date: September 22, 2022Applicant: DexCom, Inc.Inventors: Mahender Nath Avula, Chris Dring, Ted Tang Lee, Xiangyou Liu, Shane Richard Parnell, Shanger Wang, Jiong Zou
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Publication number: 20220214300Abstract: Disclosed are devices for determining an analyte concentration (e.g., glucose). The devices comprise a sensor configured to generate a signal associated with a concentration of an analyte and a sensing membrane located over the sensor. The sensing membrane comprises a biointerface layer which interfaces with a biological fluid containing the analyte to be measured. The biointerface layer can comprises a biointerface polymer, wherein the biointerface polymer comprises polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The sensing membrane can also comprise an enzyme layer, wherein the enzyme layer comprises an enzyme and a polymer comprising polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The sensing membrane can also comprise a diffusion-resistance layer, which can comprise a base polymer having a lowest Tg of greater than ?50 C.Type: ApplicationFiled: December 23, 2021Publication date: July 7, 2022Applicant: DEXCOM, INC.Inventors: Shanger Wang, Robert J. Boock, Andrew Trinin Dennis, Ted Tang Lee, Jeff T. Suri, David Sze, Mark A. Tapsak, Huashi Zhang, Jiong Zou
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Patent number: 11262326Abstract: Disclosed are devices for determining an analyte concentration (e.g., glucose). The devices comprise a sensor configured to generate a signal associated with a concentration of an analyte and a sensing membrane located over the sensor. The sensing membrane comprises a biointerface layer which interfaces with a biological fluid containing the analyte to be measured. The biointerface layer can comprises a biointerface polymer, wherein the biointerface polymer comprises polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The sensing membrane can also comprise an enzyme layer, wherein the enzyme layer comprises an enzyme and a polymer comprising polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The sensing membrane can also comprise a diffusion-resistance layer, which can comprise a base polymer having a lowest Tg of greater than ?50 C.Type: GrantFiled: December 30, 2016Date of Patent: March 1, 2022Assignee: DEXCOM, INC.Inventors: Shanger Wang, Robert J. Boock, Andrew Trinin Dennis, Ted Tang Lee, Jeff T. Suri, David Sze, Mark A Tapsak, Huashi Zhang, Jiong Zou
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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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Publication number: 20210356420Abstract: Disclosed are devices for determining an analyte concentration (e.g., glucose). The devices comprise a sensor configured to generate a signal associated with a concentration of an analyte and a sensing membrane located over the sensor. The sensing membrane comprises an enzyme layer, wherein the enzyme layer comprises an enzyme and a polymer comprising polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The enzyme layer protects the enzyme and prevents it from leaching from the sensing membrane into a host or deactivating.Type: ApplicationFiled: July 30, 2021Publication date: November 18, 2021Inventors: Ted Tang Lee, Shanger Wang, Jiong Zou
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Patent number: 11112377Abstract: Disclosed are devices for determining an analyte concentration (e.g., glucose). The devices comprise a sensor configured to generate a signal associated with a concentration of an analyte and a sensing membrane located over the sensor. The sensing membrane comprises an enzyme layer, wherein the enzyme layer comprises an enzyme and a polymer comprising polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The enzyme layer protects the enzyme and prevents it from leaching from the sensing membrane into a host or deactivating.Type: GrantFiled: December 29, 2016Date of Patent: September 7, 2021Assignee: DexCom, Inc.Inventors: Shanger Wang, Ted Tang Lee, Jiong Zou
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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