Patents by Inventor Wendian Shi
Wendian 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: 12179205Abstract: The present disclosure relates to new types of fluid packaging devices and methods of making and using such fluid packaging devices. In various embodiments, the present disclosure provides devices, systems, and methods for packaging fluids. In various embodiments, the present disclosure provides a device including a storage compartment; a fluid stored in the storage compartment; a first aperture on the storage compartment; and a second aperture on the storage compartment. The first aperture is initially sealed or closed before the use of the device and configured to be opened to receive a pneumatic pressure. The second aperture is initially sealed or closed before the use of the device and configured to be opened to allow the fluid to exit or enter the storage compartment via the opened second aperture.Type: GrantFiled: June 22, 2022Date of Patent: December 31, 2024Assignee: CytoChip Inc.Inventors: Wendian Shi, Yuzhe Ding
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Patent number: 12103002Abstract: A method for analyzing biological samples is disclosed herein. In an embodiment, the method includes receiving a fluid sample into a cartridge device, which comprises: a fluidic chamber; at least one microfluidic channel in fluid communication with the fluidic chamber; and a venting port configured to apply a pneumatic force to the fluidic chamber; and inserting the cartridge device into a reader device to perform measurements, wherein the cartridge device is positioned in a vertical or tilted position such that at least a portion of the fluid sample inside the fluidic chamber is pulled by gravity in a direction away from the venting port or towards the bottom of the fluidic chamber.Type: GrantFiled: June 14, 2023Date of Patent: October 1, 2024Assignee: CytoChip, Inc.Inventors: Wendian Shi, Yuzhe Ding
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Patent number: 12025550Abstract: The disclosure relates to devices and methods for analyzing particles in a sample. In various embodiments, the present disclosure provides devices and methods for cytometry and additional analysis. In various embodiments, the present disclosure provides a cartridge device and a reader instrument device, wherein the reader instrument device receives, operates, and/or actuates the cartridge device. In various embodiments, the present disclosure provides a method of using a device as disclosed herein for analyzing particles in a sample.Type: GrantFiled: February 9, 2021Date of Patent: July 2, 2024Assignee: CytoChip Inc.Inventors: Wendian Shi, Yuzhe Ding
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Publication number: 20240183758Abstract: Devices and methods for analyzing a sample are disclosed. In various embodiments, the present disclosure provides devices and methods for preparing a serial dilution of a sample. In various embodiments, the present disclosure provides devices and methods for preparing a serial dilution of a sample and conducting sample analysis. In various embodiments, the present disclosure provides a cartridge device and a reader instrument device. The reader instrument device receives, operates, and/or actuates the cartridge device to prepare a serial dilution of a sample and conduct sample analysis.Type: ApplicationFiled: February 15, 2024Publication date: June 6, 2024Applicant: CytoChip Inc.Inventors: Wendian Shi, Yuan Gao, Yuzhe Ding
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Patent number: 11988590Abstract: Methods and devices for correction in particle size measurement are disclosed. In some embodiments, a method includes the following steps: (1) measuring a signal from a target particle and a reference particle in a cartridge device; (2) analyzing the measured signal to obtain signal information of the target particle and signal information of the reference particle; and (3) determining size information of the target particle by correcting the signal information of the target particle with the signal information of the reference particle. In other embodiments, a device includes a cartridge and an analyzer. The analyzer is configured to receive the cartridge into the analyzer, measure a signal from the target particle and the reference particle, analyze the measured signal to obtain signal information, and determine size information of the target particle.Type: GrantFiled: April 27, 2020Date of Patent: May 21, 2024Assignee: CytoChip Inc.Inventor: Wendian Shi
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Patent number: 11933701Abstract: Devices and methods for analyzing a sample are disclosed. In various embodiments, the present disclosure provides devices and methods for preparing a serial dilution of a sample. In various embodiments, the present disclosure provides devices and methods for preparing a serial dilution of a sample and conducting sample analysis. In various embodiments, the present disclosure provides a cartridge device and a reader instrument device. The reader instrument device receives, operates, and/or actuates the cartridge device to prepare a serial dilution of a sample and conduct sample analysis.Type: GrantFiled: April 29, 2023Date of Patent: March 19, 2024Assignee: CytoChip Inc.Inventors: Wendian Shi, Yuan Gao, Yuzhe Ding
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Publication number: 20230417643Abstract: The disclosure provides devices, device systems, and methods for analyzing cells (e.g., blood cells) or particles in a sample. In some embodiments, the disclosure provides various devices and device systems including: a light source; a collecting lens; and one, two, or more detectors. In other embodiments, the devices and device systems include a flow cell or a cartridge device with a flow cell. In further embodiments, the disclosure provides various methods including the steps of: using a light source to emit an irradiation light; using the irradiation light to illuminate a sample flow; using a collecting lens to collect both scattered light and fluorescent light from the sample flow; and using one, two, or more detectors to detect the collected scattered light and fluorescent light. Optionally, these methods include using a flow cell to form a sample flow.Type: ApplicationFiled: August 8, 2023Publication date: December 28, 2023Applicant: CytoChip Inc.Inventor: Wendian Shi
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Publication number: 20230321654Abstract: A method for analyzing biological samples is disclosed herein. In an embodiment, the method includes receiving a fluid sample into a cartridge device, which comprises: a fluidic chamber; at least one microfluidic channel in fluid communication with the fluidic chamber; and a venting port configured to apply a pneumatic force to the fluidic chamber; and inserting the cartridge device into a reader device to perform measurements, wherein the cartridge device is positioned in a vertical or tilted position such that at least a portion of the fluid sample inside the fluidic chamber is pulled by gravity in a direction away from the venting port or towards the bottom of the fluidic chamber.Type: ApplicationFiled: June 14, 2023Publication date: October 12, 2023Applicant: CytoChip, Inc.Inventors: Wendian Shi, Yuzhe Ding
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Patent number: 11768143Abstract: The disclosure provides devices, device systems, and methods for analyzing cells (e.g., blood cells) or particles in a sample. In some embodiments, the disclosure provides various devices and device systems including: a light source; a collecting lens; and one, two, or more detectors. In other embodiments, the devices and device systems include a flow cell or a cartridge device with a flow cell. In further embodiments, the disclosure provides various methods including the steps of: using a light source to emit an irradiation light; using the irradiation light to illuminate a sample flow; using a collecting lens to collect both scattered light and fluorescent light from the sample flow; and using one, two, or more detectors to detect the collected scattered light and fluorescent light. Optionally, these methods include using a flow cell to form a sample flow.Type: GrantFiled: November 24, 2021Date of Patent: September 26, 2023Assignee: CytoChip Inc.Inventor: Wendian Shi
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Publication number: 20230266205Abstract: Devices and methods for analyzing a sample are disclosed. In various embodiments, the present disclosure provides devices and methods for preparing a serial dilution of a sample. In various embodiments, the present disclosure provides devices and methods for preparing a serial dilution of a sample and conducting sample analysis. In various embodiments, the present disclosure provides a cartridge device and a reader instrument device. The reader instrument device receives, operates, and/or actuates the cartridge device to prepare a serial dilution of a sample and conduct sample analysis.Type: ApplicationFiled: April 29, 2023Publication date: August 24, 2023Applicant: CytoChip, Inc.Inventors: Wendian Shi, Yuan Gao, Yuzhe Ding
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Patent number: 11717824Abstract: A method for analyzing biological samples is disclosed herein. In an embodiment, the method includes receiving a fluid sample into a cartridge device, which comprises: a fluidic chamber; at least one microfluidic channel in fluid communication with the fluidic chamber; and a venting port configured to apply a pneumatic force to the fluidic chamber; and inserting the cartridge device into a reader device to perform measurements, wherein the cartridge device is positioned in a vertical or tilted position such that at least a portion of the fluid sample inside the fluidic chamber is pulled by gravity in a direction away from the venting port or towards the bottom of the fluidic chamber.Type: GrantFiled: March 29, 2021Date of Patent: August 8, 2023Assignee: CytoChip Inc.Inventors: Wendian Shi, Yuzhe Ding
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Patent number: 11674869Abstract: Devices and methods for analyzing a sample are disclosed. In various embodiments, the present disclosure provides devices and methods for preparing a serial dilution of a sample. In various embodiments, the present disclosure provides devices and methods for preparing a serial dilution of a sample and conducting sample analysis. In various embodiments, the present disclosure provides a cartridge device and a reader instrument device. The reader instrument device receives, operates, and/or actuates the cartridge device to prepare a serial dilution of a sample and conduct sample analysis.Type: GrantFiled: February 26, 2019Date of Patent: June 13, 2023Assignee: CYTOCHIP, INC.Inventors: Wendian Shi, Yuan Gao, Yuzhe Ding
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Publication number: 20230018591Abstract: Devices and methods for measuring analytes and target particles in a sample are disclosed. In some embodiments, the disclosure provides a cartridge device. In other embodiments, the disclosure provides a method of using a cartridge device as disclosed herein for analyzing analytes and target particles in a sample. In further embodiments, the disclosure provides an analyzer including a cartridge device and a control unit device. The control unit device is configured to receive, operate, and/or actuate the cartridge device. In some embodiments, the disclosure provides a method of using an analyzer as disclosed herein for analyzing analytes and target particles in a sample.Type: ApplicationFiled: September 20, 2022Publication date: January 19, 2023Applicant: CYTOCHIP INC.Inventors: Wendian Shi, Yuzhe Ding, Yuan Gao
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Patent number: 11491487Abstract: Devices and methods for measuring analytes and target particles in a sample are disclosed. In some embodiments, the disclosure provides a cartridge device. In other embodiments, the disclosure provides a method of using a cartridge device as disclosed herein for analyzing analytes and target particles in a sample. In further embodiments, the disclosure provides an analyzer including a cartridge device and a control unit device. The control unit device is configured to receive, operate, and/or actuate the cartridge device. In some embodiments, the disclosure provides a method of using an analyzer as disclosed herein for analyzing analytes and target particles in a sample.Type: GrantFiled: October 19, 2018Date of Patent: November 8, 2022Assignee: CytoChip Inc.Inventors: Wendian Shi, Yuzhe Ding, Yuan Gao
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Publication number: 20220314224Abstract: The present disclosure relates to new types of fluid packaging devices and methods of making and using such fluid packaging devices. In various embodiments, the present disclosure provides devices, systems, and methods for packaging fluids. In various embodiments, the present disclosure provides a device including a storage compartment; a fluid stored in the storage compartment; a first aperture on the storage compartment; and a second aperture on the storage compartment. The first aperture is initially sealed or closed before the use of the device and configured to be opened to receive a pneumatic pressure. The second aperture is initially sealed or closed before the use of the device and configured to be opened to allow the fluid to exit or enter the storage compartment via the opened second aperture.Type: ApplicationFiled: June 22, 2022Publication date: October 6, 2022Applicant: CytoChip Inc.Inventors: Wendian Shi, Yuzhe Ding
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Patent number: 11400453Abstract: The present disclosure relates to new types of fluid packaging devices and methods of making and using such fluid packaging devices. In various embodiments, the present disclosure provides devices, systems, and methods for packaging fluids. In various embodiments, the present disclosure provides a device including a storage compartment; a fluid stored in the storage compartment; a first aperture on the storage compartment; and a second aperture on the storage compartment. The first aperture is initially sealed or closed before the use of the device and configured to be opened to receive a pneumatic pressure. The second aperture is initially sealed or closed before the use of the device and configured to be opened to allow the fluid to exit or enter the storage compartment via the opened second aperture.Type: GrantFiled: May 9, 2018Date of Patent: August 2, 2022Assignee: CytoChip Inc.Inventors: Wendian Shi, Yuzhe Ding
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Publication number: 20220205897Abstract: Methods and devices for correction in particle size measurement are disclosed. In some embodiments, a method includes the following steps: (1) measuring a signal from a target particle and a reference particle in a cartridge device; (2) analyzing the measured signal to obtain signal information of the target particle and signal information of the reference particle; and (3) determining size information of the target particle by correcting the signal information of the target particle with the signal information of the reference particle. In other embodiments, a device includes a cartridge and an analyzer. The analyzer is configured to receive the cartridge into the analyzer, measure a signal from the target particle and the reference particle, analyze the measured signal to obtain signal information, and determine size information of the target particle.Type: ApplicationFiled: April 27, 2020Publication date: June 30, 2022Applicant: CytoChip Inc.Inventor: Wendian Shi
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Publication number: 20220082486Abstract: The disclosure provides devices, device systems, and methods for analyzing cells (e.g., blood cells) or particles in a sample. In some embodiments, the disclosure provides various devices and device systems including: a light source; a collecting lens; and one, two, or more detectors. In other embodiments, the devices and device systems include a flow cell or a cartridge device with a flow cell. In further embodiments, the disclosure provides various methods including the steps of: using a light source to emit an irradiation light; using the irradiation light to illuminate a sample flow; using a collecting lens to collect both scattered light and fluorescent light from the sample flow; and using one, two, or more detectors to detect the collected scattered light and fluorescent light. Optionally, these methods include using a flow cell to form a sample flow.Type: ApplicationFiled: November 24, 2021Publication date: March 17, 2022Applicant: CytoChip Inc.Inventor: Wendian Shi
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Patent number: 11215545Abstract: The disclosure provides devices, device systems, and methods for analyzing cells (e.g., blood cells) or particles in a sample. In some embodiments, the disclosure provides various devices and device systems including: a light source; a collecting lens; and one, two, or more detectors. In other embodiments, the devices and device systems include a flow cell or a cartridge device with a flow cell. In further embodiments, the disclosure provides various methods including the steps of: using a light source to emit an irradiation light; using the irradiation light to illuminate a sample flow; using a collecting lens to collect both scattered light and fluorescent light from the sample flow; and using one, two, or more detectors to detect the collected scattered light and fluorescent light. Optionally, these methods include using a flow cell to form a sample flow.Type: GrantFiled: June 12, 2018Date of Patent: January 4, 2022Assignee: CytoChip Inc.Inventors: Wendian Shi, Zhaokai Meng, Yuzhe Ding
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Publication number: 20210213445Abstract: A method for analyzing biological samples is disclosed herein. In an embodiment, the method includes receiving a fluid sample into a cartridge device, which comprises: a fluidic chamber; at least one microfluidic channel in fluid communication with the fluidic chamber; and a venting port configured to apply a pneumatic force to the fluidic chamber; and inserting the cartridge device into a reader device to perform measurements, wherein the cartridge device is positioned in a vertical or tilted position such that at least a portion of the fluid sample inside the fluidic chamber is pulled by gravity in a direction away from the venting port or towards the bottom of the fluidic chamber.Type: ApplicationFiled: March 29, 2021Publication date: July 15, 2021Applicant: CytoChip, Inc.Inventors: Wendian Shi, Yuzhe Ding