Patents by Inventor J. Vargas

J. Vargas 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: 20230282328
    Abstract: Techniques disclosed herein relate to operating a fluid delivery device in a personalized manner based at least in part on historical data of a patient. In some embodiments, the techniques involve determining a predicted physiological condition of a patient in response to a future activity of the patient, based at least in part on historical data corresponding to the future activity for the patient; determining, based at least in part on the predicted physiological condition of the patient, an adjustment to fluid delivery to the patient by a medical device to prospectively account for the future activity; and operating the medical device to deliver a fluid to the patient in accordance with the adjustment.
    Type: Application
    Filed: May 12, 2023
    Publication date: September 7, 2023
    Inventors: Mahta Sadeghzadeh, Benyamin Grosman, David Legray, Ulrich H. Rankers, Anirban Roy, Steven J. Vargas
  • Patent number: 11745389
    Abstract: A melting unit melts a solid material into a molten material. The melt unit includes a reservoir, a hopper, and a melt grid disposed between the hopper and the reservoir. The melt grid heats the solid material into the molten material such that the molten material flows from the hopper to the reservoir. The melt unit includes a plurality of guide members, where the molten material flows through plurality of flow channels defined by the melt grid and along the plurality of guide members as the molten material flows from the hopper to the reservoir.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: September 5, 2023
    Assignee: Nordson Corporation
    Inventors: Charles P. Ganzer, Robert J. Woodlief, Hubert Kufner, Leslie J. Varga, Gerd Brockman, Laurence B. Saidman
  • Patent number: 11699510
    Abstract: Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a patient involves obtaining, by a control system associated with the infusion device, measurement values indicative of a condition of the patient provided by a sensing device, identifying an event pattern based at least in part on the measurement values for the condition and historical data associated with the patient, generating a notification indicative of the event pattern in response to identifying the event pattern, and adjusting operation of the infusion device to deliver the fluid to the patient in a manner that is influenced by the event pattern in response to receiving user input confirming the event pattern.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: July 11, 2023
    Assignee: MEDTRONIC MINIMED, INC.
    Inventors: Benyamin Grosman, David Legray, Ulrich H. Rankers, Anirban Roy, Steven J. Vargas, Mahta Sadeghzadeh
  • Patent number: 11688500
    Abstract: Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a patient involves obtaining, by a control system associated with the infusion device, user input indicating an activity by the patient, obtaining historical data for the patient corresponding to the activity, determining a probable patient response corresponding to the activity based at least in part on the historical data for the patient, determining an adjustment for delivering the fluid by the infusion device based at least in part on the probable patient response, and operating the infusion device to deliver the fluid to the patient in accordance with the adjustment.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: June 27, 2023
    Assignee: MEDTRONIC MINIMED, INC.
    Inventors: Mahta Sadeghzadeh, Benyamin Grosman, David Legray, Ulrich H. Rankers, Anirban Roy, Steven J. Vargas
  • Publication number: 20220339662
    Abstract: An adhesive dispensing device (10) includes a melt module (12) including a housing (78) that defines a receiving space to receive adhesive and a heater (114) to heat the housing to melt the adhesive, and a control module (14) releasably connected to the melt module. The control module includes a controller (36) to automatically recognize a characteristic associated with the melt module and operate the melt module using instructions stored on the controller that correspond to the characteristic of the melt module. A method of operating the adhesive dispensing device is also disclosed.
    Type: Application
    Filed: September 18, 2020
    Publication date: October 27, 2022
    Inventors: Robert J. WOODLIEF, David R. JETER, Brian R. SOSEBEE, Leonard J. LANIER, Enes RAMOSEVAC, Peter W. ESTELLE, Jeffrey E. OWEN, James R. BEAL, Leslie J. VARGA, John DANIELS, Ronald M. RAMSPECK, John M. RINEY
  • Publication number: 20220323986
    Abstract: A melt system that includes a melt unit. The melt unit includes a reservoir and a melter. The melter is configured to expose solid adhesive to a temperature sufficient to form a molten adhesive, which is deposited into the reservoir. The melt unit includes a hopper disposed above the melter and for holding a supply of the solid adhesive. The hopper has an access door disposed on a wall of the hopper that is movable between a closed position where the hopper is closed and an open position where an internal chamber of the hopper is accessible to receive the solid adhesive. The hopper and the solid adhesive in the hopper are thermally isolated from the reservoir.
    Type: Application
    Filed: June 28, 2022
    Publication date: October 13, 2022
    Inventors: Charles P. Ganzer, Leslie J. Varga
  • Patent number: 11389822
    Abstract: A melt system that includes a melt unit. The melt unit includes a reservoir and a melt grid disposed above the reservoir. The melt grid is configured to expose solid polymer to a temperature sufficient to form a molten polymer and to deposit the molten polymer into the reservoir. The melt unit includes at least one hopper for holding a supply of the solid polymer. The melt unit includes a thermal isolation region disposed below the hopper to thermally isolate the hopper from the molten polymer in the reservoir.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: July 19, 2022
    Assignee: Nordson Corporation
    Inventors: Charles P Ganzer, Leslie J. Varga
  • Publication number: 20210205836
    Abstract: A melt system that includes a melt unit. The melt unit includes a reservoir and a melt grid disposed above the reservoir. The melt grid is configured to expose solid polymer to a temperature sufficient to form a molten polymer and to deposit the molten polymer into the reservoir. The melt unit includes at least one hopper for holding a supply of the solid polymer. The melt unit includes a thermal isolation region disposed below the hopper to thermally isolate the hopper from the molten polymer in the reservoir.
    Type: Application
    Filed: October 26, 2018
    Publication date: July 8, 2021
    Inventors: Charles P. Ganzer, Leslie J. Varga
  • Patent number: 11033926
    Abstract: An adhesive dispensing system and method are configured to melt adhesive on demand and maintain the adhesive in a liquid state between dispensing cycles. The dispensing system includes a dispensing applicator with a manifold passage, a receiving device including a receiving chamber for holding a small amount of solid adhesive at the dispensing applicator and a first heating device for melting the adhesive on demand, and a second heating device at the manifold to maintain the temperature of the melted adhesive before dispensing. The second heating device applies heat energy to maintain the adhesive in the manifold passage as a liquid.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: June 15, 2021
    Assignee: Nordson Corporation
    Inventor: Leslie J. Varga
  • Publication number: 20210043298
    Abstract: Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a patient involves obtaining, by a control system associated with the infusion device, measurement values indicative of a condition of the patient provided by a sensing device, identifying an event pattern based at least in part on the measurement values for the condition and historical data associated with the patient, generating a notification indicative of the event pattern in response to identifying the event pattern, and adjusting operation of the infusion device to deliver the fluid to the patient in a manner that is influenced by the event pattern in response to receiving user input confirming the event pattern.
    Type: Application
    Filed: October 26, 2020
    Publication date: February 11, 2021
    Inventors: Benyamin Grosman, David Legray, Ulrich H. Rankers, Anirban Roy, Steven J. Vargas, Mahta Sadeghzadeh
  • Publication number: 20210043297
    Abstract: Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a patient involves obtaining, by a control system associated with the infusion device, user input indicating an activity by the patient, obtaining historical data for the patient corresponding to the activity, determining a probable patient response corresponding to the activity based at least in part on the historical data for the patient, determining an adjustment for delivering the fluid by the infusion device based at least in part on the probable patient response, and operating the infusion device to deliver the fluid to the patient in accordance with the adjustment.
    Type: Application
    Filed: October 26, 2020
    Publication date: February 11, 2021
    Inventors: Mahta Sadeghzadeh, Benyamin Grosman, David Legray, Ulrich H. Rankers, Anirban Roy, Steven J. Vargas
  • Patent number: 10861591
    Abstract: Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a patient involves obtaining, by a control system associated with the infusion device, measurement values indicative of a condition of the patient provided by a sensing device, identifying an event pattern based at least in part on the measurement values for the condition and historical data associated with the patient, generating a notification indicative of the event pattern in response to identifying the event pattern, and adjusting operation of the infusion device to deliver the fluid to the patient in a manner that is influenced by the event pattern in response to receiving user input confirming the event pattern.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: December 8, 2020
    Assignee: Medtronic MiniMed, Inc.
    Inventors: Benyamin Grosman, David Legray, Ulrich H. Rankers, Anirban Roy, Steven J. Vargas, Mahta Sadeghzadeh
  • Patent number: 10854322
    Abstract: Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a patient involves obtaining, by a control system associated with the infusion device, user input indicating an activity by the patient, obtaining historical data for the patient corresponding to the activity, determining a probable patient response corresponding to the activity based at least in part on the historical data for the patient, determining an adjustment for delivering the fluid by the infusion device based at least in part on the probable patient response, and operating the infusion device to deliver the fluid to the patient in accordance with the adjustment.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: December 1, 2020
    Assignee: Medtronic MiniMed, Inc.
    Inventors: Mahta Sadeghzadeh, Benyamin Grosman, David Legray, Ulrich H. Rankers, Anirban Roy, Steven J. Vargas
  • Publication number: 20200331168
    Abstract: A melting unit melts a solid material into a molten material. The melt unit includes a reservoir, a hopper, and a melt grid disposed between the hopper and the reservoir. The melt grid heats the solid material into the molten material such that the molten material flows from the hopper to the reservoir. The melt unit includes a plurality of guide members, where the molten material flows through plurality of flow channels defined by the melt grid and along the plurality of guide members as the molten material flows from the hopper to the reservoir.
    Type: Application
    Filed: October 26, 2018
    Publication date: October 22, 2020
    Inventors: Charles P. Ganzer, Robert J. Woodlief, Hubert Kufner, Leslie J. Varga, Gerd Brockman, Laurence B. Saidman
  • Patent number: 10695779
    Abstract: The present disclosure describes a method and system for controlling dispensing of adhesive from an applicator. The method includes pumping adhesive from a plurality of pump assemblies to a plurality of dispensing modules and measuring current draw from each of the plurality of pump assemblies. The method also includes determining an adjustment to an operating speed of each of the plurality of pump assemblies individually based on their respective current draws and adjusting the operating speed of each of the plurality of pump assemblies individually.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: June 30, 2020
    Assignee: Nordson Corporation
    Inventors: Joel E. Saine, Leslie J. Varga
  • Patent number: 10589233
    Abstract: Foam dispensing systems and methods are disclosed. Such systems and methods may include a foamed material dispenser, a dynamic mixer having a gas input, a process material input, and a foamed material output. The foamed material output may be in fluid communication with the foamed material dispenser. A pump having an output may be in fluid communication with the process material input of the dynamic mixer, and a gas injection valve may be in fluid communication with the gas input of the dynamic mixer. A gas pressure regulator may be coupled between the pressurized gas supply and the gas injection valve, and a gas injection cycle timer may be operatively connected to the gas injection valve, the gas injection cycle timer causing the gas injection valve to pulse open and closed to send pulses of pressurized gas into the dynamic mixer through the gas input.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: March 17, 2020
    Assignee: Nordson Corporation
    Inventors: Brian Burkley, Raymond M. Fetcenko, Charles P. Ganzer, Derrick O'Kelley, Jeffrey E. Owen, Leslie J. Varga
  • Publication number: 20200077960
    Abstract: A method for confirming effectiveness of therapy provided by an insulin infusion system comprising a computing device communicatively coupled to an insulin delivery pump and a blood glucose sensor, is provided.
    Type: Application
    Filed: September 12, 2018
    Publication date: March 12, 2020
    Inventors: Risako Morawiec, Key F. Payton, Ulrich H. Rankers, Steven J. Vargas, Andrew Michael Bryan, David Legray
  • Publication number: 20190299242
    Abstract: A melter melts particulate hot melt adhesive into a liquefied form. The melter includes a heated receiving device having an interior with an inlet that receives the particulate hot melt adhesive and an outlet. The heated receiving device melts the particulate hot melt adhesive and directs the liquified hot melt adhesive to the outlet. A prepackaged container holds a supply of the particulate hot melt adhesive and includes an outlet. A particulate hot melt adhesive feed device allows the particulate hot melt adhesive to be directed from the outlet of the prepackaged container to the inlet of the heated receiving device.
    Type: Application
    Filed: June 18, 2019
    Publication date: October 3, 2019
    Inventors: Christopher R. Chastine, Justin A. Clark, Peter W. Estelle, Howard B. Evans, Charles P. Ganzer, Manuel A. Guerrero, Enes Ramosevac, John M. Riney, Sang Hyub Shin, Leslie J. Varga
  • Publication number: 20190232309
    Abstract: The present disclosure describes a method and system for controlling dispensing of adhesive from an applicator. The method includes pumping adhesive from a plurality of pump assemblies to a plurality of dispensing modules and measuring current draw from each of the plurality of pump assemblies. The method also includes determining an adjustment to an operating speed of each of the plurality of pump assemblies individually based on their respective current draws and adjusting the operating speed of each of the plurality of pump assemblies individually.
    Type: Application
    Filed: April 8, 2019
    Publication date: August 1, 2019
    Inventors: Joel E. Saine, Leslie J. Varga
  • Patent number: 10363686
    Abstract: An apparatus for melting thermoplastic material is disclosed. The apparatus includes a heated manifold and at least one heating element disposed within the heated manifold. The heated manifold defines a plurality of cavities, a pump supply passage, and a discharge passage. The plurality of cavities are spaced apart from one another, and each receives particles of thermoplastic material from a hopper. The particles of thermoplastic material are melted within the plurality of cavities. The pump supply passage receives molten thermoplastic material from the plurality of cavities and supplies the molten thermoplastic material to a pump. The discharge passage receives pressurized molten thermoplastic material from the pump and is in fluid communication with a dispenser. The heating element transfers heat substantially throughout the heated manifold.
    Type: Grant
    Filed: August 27, 2017
    Date of Patent: July 30, 2019
    Assignee: Nordson Corporation
    Inventor: Leslie J. Varga