Patents by Inventor Lan T. Nguyen

Lan T. Nguyen 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).

  • Publication number: 20250239359
    Abstract: A system and method for collecting plasma includes drawing whole blood from a donor, combining anticoagulant with the whole blood from the donor, separating the whole blood into a plasma product and a second blood component and sending the plasma product to a collection container. A controller determines a total blood volume for a donor based on donor characteristics. The system comprises a touchscreen for receiving a confirming user input and a scanning device configured to scan a bar code associated with a donor. The system and method operate a plurality of draw and return phases.
    Type: Application
    Filed: January 16, 2025
    Publication date: July 24, 2025
    Applicant: Fenwal, Inc.
    Inventors: Brian C. Case, Lan T. Nguyen, Amit J. Patel, Samantha M. Planas, Walter T. Watts, Kyungyoon Min, Daniel R. Boggs
  • Patent number: 12318530
    Abstract: Systems and methods are disclosed for performing online extracorporeal photopheresis in which the needs of a particular patient as to the fluid balance to be achieved and the time allotted to perform the procedure can be prioritized. Whole blood is removed from a patient and introduced through a processing set into a separation chamber to separate the desired cell population from the blood. The separated cell population is processed through the set which is associated with a treatment chamber where the cells are treated. Once treated, the cells are returned to the patient.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: June 3, 2025
    Assignee: Fenwal, Inc.
    Inventors: Lan T. Nguyen, Katherine N. Radwanski, Greg Coultas
  • Publication number: 20250135081
    Abstract: A flow circuit for a blood treatment system includes flow cassettes, a separation chamber fluidically connected to the cassettes, tubings fluidically connecting the cassettes and the separation chamber, the tubings including a plasma tubing including a first column connector, a Luer activated port, and a check valve. The flow circuit has a first configuration for a replacement fluid therapeutic plasma exchange procedure in which the first column connector has first and second mating parts connected to one another, and a second configuration for an adsorption therapeutic plasma exchange procedure in which the flow circuit further comprises an adsorption device having a second column connector and the adsorption device is connected in line with plasma tubing and the first and second mating parts of the first column connector are connected to corresponding first and second parts of the second column connector.
    Type: Application
    Filed: October 18, 2024
    Publication date: May 1, 2025
    Inventors: Lan T. Nguyen, Gregory Coultas
  • Patent number: 12237078
    Abstract: A system and method for collecting plasma includes drawing whole blood from a donor, combining anticoagulant with the whole blood from the donor, separating the whole blood into a plasma product and a second blood component and sending the plasma product to a collection container. A controller determines a total blood volume for a donor based on donor weight, height and gender. The system comprises a touchscreen for receiving a confirming user input and a scanning device configured to scan a bar code associated with a donor. The system and method operate a plurality of draw and return phases.
    Type: Grant
    Filed: June 4, 2024
    Date of Patent: February 25, 2025
    Assignee: FENWAL, INC.
    Inventors: Brian C. Case, Lan T. Nguyen, Amit J. Patel, Samantha M. Planas, Walter T. Watts, Kyungyoon Min, Daniel R. Boggs
  • Publication number: 20240404692
    Abstract: A system and method for collecting plasma includes drawing whole blood from a donor, combining anticoagulant with the whole blood from the donor, separating the whole blood into a plasma product and a second blood component and sending the plasma product to a collection container. A controller determines a total blood volume for a donor based on donor weight, height and gender. The system comprises a touchscreen for receiving a confirming user input and a scanning device configured to scan a bar code associated with a donor. The system and method operate a plurality of draw and return phases.
    Type: Application
    Filed: June 4, 2024
    Publication date: December 5, 2024
    Applicant: FENWAL, INC.
    Inventors: Brian C. Case, Lan T. Nguyen, Amit J. Patel, Samantha M. Planas, Walter T. Watts, Kyungyoon Min, Daniel R. Boggs
  • Patent number: 12033750
    Abstract: A system and method for collecting plasma includes drawing whole blood from a donor, combining anticoagulant with the whole blood from the donor, separating the whole blood into a plasma product and a second blood component and sending the plasma product to a collection container. A controller determines a total blood volume for a donor based on donor weight, height and gender. The system comprises a touchscreen for receiving a confirming user input and a scanning device configured to scan a bar code associated with a donor. The system and method operate a plurality of draw and return phases.
    Type: Grant
    Filed: August 8, 2023
    Date of Patent: July 9, 2024
    Assignee: FENWAL, INC.
    Inventors: Brian C. Case, Lan T. Nguyen, Amit J. Patel, Samantha M. Planas, Walter T. Watts, Kyungyoon Min, Daniel R. Boggs
  • Patent number: 11938259
    Abstract: Blood treatment systems and methods are provided for combining a blood separation system and an adsorption device. The blood separation system is configured to separate a blood component from blood, while the adsorption device is configured to receive at least a portion of the separated blood component and process it. The blood separation system includes a fluid flow element and a controller. The fluid flow element is configured for flowing the separated blood component into the adsorption device. The controller controls the fluid flow element based at least in part on one or more processing parameters. The processing parameters include a maximum flow rate of the separated blood component flowed into the adsorption device, a maximum pressure of the separated blood component flowed into the adsorption device, and/or the volume of fluid in a location of the system.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: March 26, 2024
    Assignee: Fenwal, Inc.
    Inventors: John T. Foley, Jonathan Prendergast, Lan T. Nguyen, Brian C Case
  • Patent number: 11883543
    Abstract: Methods and systems for treating a biological fluid with light are disclosed. The methods and systems provide for determining a target light dose for the biological fluid; loading a treatment container holding the biological fluid into an irradiation chamber of an irradiation device comprising: with the treatment container being supported in the irradiation device in between a first array of light sources and first light energy sensors and a second light energy sensor. The first array of light sources is activated, and a first light intensity is measured with the first light energy sensors. A second light intensity is measured with the second light energy sensor, and the first light intensity is compared to the second light intensity to determine an attenuation factor. The attenuation factor is applied to the first light intensity to determine a time to achieve the target light dose, with the first array of multiple light sources being deactivated after the time to achieve the target light dose has elapsed.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: January 30, 2024
    Assignee: Fenwal, Inc.
    Inventors: Lan T. Nguyen, Angela N. Carlson, Katherine N. Radwanski, Greg Coultas, Yamen Alshawaf, Kevin Schalte
  • Patent number: 11857714
    Abstract: Described is a method for controlling fluid volume balance. A controller is configured with a first set of inputs comprising a hematocrit, a total blood volume, and an ACD ratio. A maximum extracorporeal RBC amount during the procedure is estimated based on the first set of inputs. A fluid circuit is primed with a priming fluid. Whole blood is drawn from a blood source and separated into a RBC component, a target cell component, and a plasma component. The target cell component is directed to a product container. The product container comprising the target cell component is treated. A treated target cell component, a portion of the RBC component remaining in the fluid circuit, and/or a portion of the plasma component remaining in the fluid circuit are returned to the blood source. A first response action is provided if the maximum extracorporeal RBC amount estimated is above a programmed limit.
    Type: Grant
    Filed: January 23, 2023
    Date of Patent: January 2, 2024
    Assignee: Fenwal, Inc.
    Inventors: Zahra R Ali, Lan T. Nguyen
  • Publication number: 20230402171
    Abstract: A system and method for collecting plasma includes drawing whole blood from a donor, combining anticoagulant with the whole blood from the donor, separating the whole blood into a plasma product and a second blood component and sending the plasma product to a collection container. A controller determines a total blood volume for a donor based on donor weight, height and gender. The system comprises a touchscreen for receiving a confirming user input and a scanning device configured to scan a bar code associated with a donor. The system and method operate a plurality of draw and return phases.
    Type: Application
    Filed: August 8, 2023
    Publication date: December 14, 2023
    Applicant: FENWAL, INC.
    Inventors: Brian C. Case, Lan T. Nguyen, Amit J. Patel, Samantha M. Planas, Walter T. Watts, Kyungyoon Min, Daniel R. Boggs
  • Patent number: 11837357
    Abstract: A system and method for collecting plasma includes drawing whole blood from a donor, combining anticoagulant with the whole blood from the donor, separating the whole blood into a plasma product and a second blood component and sending the plasma product to a collection container. A controller receives parameters over a network from a remote computer, receives a user input to confirm the a parameter and/or procedure, determines a target volume for plasma product and/or raw plasma based on the parameters and, in response to confirming the donor, controls the system to collect the plasma using draw and return phases.
    Type: Grant
    Filed: April 22, 2022
    Date of Patent: December 5, 2023
    Assignee: Fenwal, Inc.
    Inventors: Brian C. Case, Lan T. Nguyen, Amit J. Patel, Samantha M. Planas, Walter T. Watts, Kyungyoon Min, Daniel R. Boggs
  • Patent number: 11678825
    Abstract: Methods and systems for sampling blood components in a photopheresis procedure are disclosed. The methods include collecting samples at selected times during a photopheresis procedure.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: June 20, 2023
    Assignee: Fenwal, Inc.
    Inventors: Tanima Jahan Abedin, Nicole F. Young, Lan T. Nguyen, Zahra R. Ali
  • Patent number: 11666926
    Abstract: Mid-procedure termination of a mononuclear cell collection procedure may prevent collection of an amount of red blood cells that is required to harvest a complete mononuclear cell product. Blood separation systems and methods are provided for minimizing the impact of or recovering from mid-procedure termination of such a mononuclear cell collection procedure. According to one approach, blood or separated red blood cells are conveyed into a red blood cell collection container relatively early in the procedure to minimize the impact of a later termination of the procedure. According to another approach, blood and/or separated red blood cells within a fluid processing assembly are redirected through the fluid processing assembly following mid-procedure termination to allow for at least partial mononuclear cell collection.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: June 6, 2023
    Assignee: Fenwal, Inc.
    Inventors: Lan T. Nguyen, Zahra R. Ali, Angela N. Carlson, Korri Hershenhouse, Molly Erickson
  • Publication number: 20230149615
    Abstract: Described is a method for controlling fluid volume balance. A controller is configured with a first set of inputs comprising a hematocrit, a total blood volume, and an ACD ratio. A maximum extracorporeal RBC amount during the procedure is estimated based on the first set of inputs. A fluid circuit is primed with a priming fluid. Whole blood is drawn from a blood source and separated into a RBC component, a target cell component, and a plasma component. The target cell component is directed to a product container. The product container comprising the target cell component is treated. A treated target cell component, a portion of the RBC component remaining in the fluid circuit, and/or a portion of the plasma component remaining in the fluid circuit are returned to the blood source. A first response action is provided if the maximum extracorporeal RBC amount estimated is above a programmed limit.
    Type: Application
    Filed: January 23, 2023
    Publication date: May 18, 2023
    Inventors: Zahra R. Ali, Lan T. Nguyen
  • Patent number: 11590270
    Abstract: An extracorporeal photopheresis system includes a separator with a disposable fluid circuit including a treatment container, an irradiation device configured to treat the contents of the treatment container, and a controller configured to control the system to perform a procedure including drawing anticoagulated whole blood into the fluid circuit from a blood source and returning to the blood source a treated target cell component, a portion of a red blood cell component remaining in the fluid circuit, and/or a portion of a plasma component remaining in the fluid circuit. The controller is further configured to estimate an end-of-procedure fluid balance estimated based on manual or automatic inputs including a patient body weight associated with the blood source and a total blood volume of the blood source, indicate the fluid balance to an operator, and receive one or more changes that affect the fluid balance after indicating the fluid balance.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: February 28, 2023
    Assignee: Fenwal, Inc.
    Inventors: Zahra R. Ali, Lan T. Nguyen
  • Publication number: 20230043534
    Abstract: Systems and methods for performing apheresis procedures, including photopheresis, are disclosed. The systems and methods utilize a disposable fluid circuit that can be converted from a double needle configuration to a single needle configuration and from a single needle configuration to a double needle configuration. A controller directs the action of system pumps to clear potentially stagnant blood residing in the fluid circuit, tracks system parameters and status before and after conversion, and verifies that the procedure may proceed in its new configuration.
    Type: Application
    Filed: August 3, 2022
    Publication date: February 9, 2023
    Inventors: Angela N. Carlson, Gregory Coultas, Lan T. Nguyen, Kevin Schalte, Grover Burkett
  • Patent number: 11571504
    Abstract: An apparatus and method for the batch photoactivation of mononuclear cells (MNCs) is described. The system includes a programmable controller configured to automatically separate whole blood in a first collection cycle to obtain a first quantity of MNCs; separate whole blood in a second collection cycle to obtain a second quantity of MNCs while simultaneously photoactivating the first quantity of MNCs to obtain a first quantity of treated MNCs; either store the first quantity of treated MNCs or reinfuse the first quantity of treated MNCs; photoactivate the second quantity of MNCs to obtain a second quantity of treated MNCs; either store the second quantity of treated MNCs or reinfuse the second quantity of treated MNCs; and reinfuse any blood components remaining after the second collection cycle.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: February 7, 2023
    Assignee: Fenwal, Inc.
    Inventors: Katherine N. Radwanski, Lan T Nguyen
  • Publication number: 20220347368
    Abstract: Systems and methods are disclosed for performing online extracorporeal photopheresis in which the needs of a particular patient as to the fluid balance to be achieved and the time allotted to perform the procedure can be prioritized. Whole blood is removed from a patient and introduced through a processing set into a separation chamber to separate the desired cell population from the blood. The separated cell population is processed through the set which is associated with a treatment chamber where the cells are treated. Once treated, the cells are returned to the patient.
    Type: Application
    Filed: April 8, 2022
    Publication date: November 3, 2022
    Inventors: Lan T. Nguyen, Katherine N. Radwanski, Greg Coultas
  • Publication number: 20220305187
    Abstract: A method of collecting mononuclear cells includes separating whole blood into plasma and cellular components, purifying the plasma through a plasma adsorption column to create purified plasma, combining the cellular components with the purified plasma to form a first mixture, and separating the first mixture into mononuclear cells and at least one component. Alternatively, whole blood may be flowed through an adsorption column to create purified whole blood, with the purified whole blood then being separated into mononuclear cells and at least one component.
    Type: Application
    Filed: June 13, 2022
    Publication date: September 29, 2022
    Inventors: Katherine N. Radwanski, Lan T. Nguyen, Jonathan W. Prendergast
  • Publication number: 20220246291
    Abstract: A system and method for collecting plasma includes drawing whole blood from a donor, combining anticoagulant with the whole blood from the donor, separating the whole blood into a plasma product and a second blood component and sending the plasma product to a collection container. A controller receives parameters over a network from a remote computer, receives a user input to confirm the a parameter and/or procedure, determines a target volume for plasma product and/or raw plasma based on the parameters and, in response to confirming the donor, controls the system to collect the plasma using draw and return phases.
    Type: Application
    Filed: April 22, 2022
    Publication date: August 4, 2022
    Applicant: Fenwal, Inc.
    Inventors: Brian C. Case, Lan T. Nguyen, Amit J. Patel, Samantha M. Planas, Walter T. Watts, Kyungyoon Min, Daniel R. Boggs