Patents Assigned to MiniMed Inc.
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Patent number: 11650248Abstract: A test system for measuring electrical current consumption of a device under test (DUT) includes a capacitor with power and ground terminals; a voltage regulator with input and output terminals; first and second switching elements; and a controller. The voltage regulator generates a DUT operating voltage based on its input voltage. The first switching element is arranged between a direct current (DC) voltage source and the regulator input, and the second switching element is arranged between the DC voltage source and the capacitor. The controller operates the switching elements to charge the capacitor, and to configure the test system for measuring operating current of the DUT using the capacitor as the power source.Type: GrantFiled: July 28, 2020Date of Patent: May 16, 2023Assignee: Medtronic MiniMed, Inc.Inventors: Seth N. Kazarians, Adam S. Trock, Jalal Elidrissi, Fatemeh Delijani
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Patent number: 11642454Abstract: A fluid infusion system includes a housing configured to be adhesively coupled to an anatomy of the user. The housing comprises a communication device configured to wirelessly communicate a physiological characteristic to a communication component of a fluid infusion device. The fluid infusion system includes a fluid flow path from the fluid infusion device into the anatomy of the user, and the fluid flow path is configured to extend from the housing for insertion into the anatomy of the user.Type: GrantFiled: June 4, 2020Date of Patent: May 9, 2023Assignee: Medtronic MiniMed, Inc.Inventors: Chia-Hung Chiu, Rebecca K. Gottlieb, Ellis Garai, Akhil Srinivasan, Andrea Varsavsky, Adam S. Trock, Ashwin K. Rao, Hsifu Wang, Daniel E. Pesantez, Isabella Ella Miya, Xinrui Zhang, Guruguhan Meenakshisundaram
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Patent number: 11636938Abstract: Infusion systems, infusion devices, and related operating methods are provided. An exemplary method involves operating an infusion device to deliver fluid to a user in accordance with a first operating mode of a plurality of operating modes, obtaining operational information pertaining to the first operating mode, and obtaining clinical information pertaining to the user. A destination operating mode of the plurality of operating modes is determined based at least in part on the operational information and the clinical information, and the infusion device is operated to deliver the fluid in accordance with the destination operating mode in a manner that is influenced by at least a portion of the operational information pertaining to the first operating mode.Type: GrantFiled: May 25, 2021Date of Patent: April 25, 2023Assignee: Medtronic MiniMed, Inc.Inventors: Salman Monirabbasi, Louis J. Lintereur, Jin Yan, Linda I. Torres
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Publication number: 20230123613Abstract: The invention provides amperometric analyte sensor systems comprising one or more electrodes designed to monitor in vivo levels of 3-hydroxybutyrate (and optionally glucose as well) in order to facilitate the management of diabetic ketoacidosis. The invention further includes compositions, elements and methods useful with such amperometric analyte sensor systems.Type: ApplicationFiled: October 14, 2021Publication date: April 20, 2023Applicant: Medtronic MiniMed, Inc.Inventors: Ashwin K. Rao, Quyen B. Ong, Michael E. Miller, Sarnath Chattaraj, Guangping Zhang, Poonam Gulati, Ariel Reider, Mohsen Askarinya, Michael N. Missaghi, Chi-En Lin, Xin Heng, Inthirai Somasuntharam, Melissa Tsang, Carlos E. Maldonado, Akhil Srinivasan
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Patent number: 11628250Abstract: Techniques related to temporary setpoint values are disclosed. The techniques may involve causing operation of a fluid delivery device in a first mode for automatically delivering fluid to a patient based on a first target glucose value. Additionally, the techniques may involve obtaining a second target glucose value. The second target glucose value may be a temporary target glucose value to be used for a specified period of time to regulate fluid delivery to the patient, and the second target glucose value may be greater than the first target glucose value. The techniques may further involve causing, based on obtaining the second target glucose value, operation of the fluid delivery device in a second mode for automatically delivering fluid to the patient. The second mode may be for reduced fluid delivery during the specified period of time.Type: GrantFiled: October 10, 2018Date of Patent: April 18, 2023Assignee: Medtronic MiniMed, Inc.Inventors: Benyamin Grosman, Di Wu, Anirban Roy, Neha J. Parikh
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Publication number: 20230113175Abstract: Embodiments of the invention provide compositions useful in implantable devices such as analyte sensors as well as methods for making and using such compositions and devices. In typical embodiments of the invention, the device is a glucose sensor comprising a polymeric composition disposed on a flexible assembly within the sensor that includes amounts of one or more immunosuppressant agents designed to provide such sensors with improved material properties such as enhanced biocompatibility.Type: ApplicationFiled: October 8, 2021Publication date: April 13, 2023Applicant: Medtronic MiniMed, Inc.Inventors: Ellis Garai, Jenn-Hann L. Wang, Ashwin K. Rao
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Patent number: 11617828Abstract: A connector interface system includes a cap to connect to a reservoir to form a reservoir/cap unit for installation into an infusion pump device. The cap has at least one receptacle for receiving one or more detectable features comprising at least one disc-shaped member, for detection by at least one sensor element on the infusion pump device when the reservoir of the reservoir/cap unit is received in a reservoir receptacle of the infusion pump device. The at least one detectable feature has at least one detectable parameter that is associated with one or more characteristics of the cap, the reservoir, the infusion pump device, a cannula associated with the cap or a tubing connected between the cap and the cannula.Type: GrantFiled: July 17, 2019Date of Patent: April 4, 2023Assignee: Medtronic MiniMed, Inc.Inventors: Davy Tong, An Thien Pham
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Patent number: 11616793Abstract: A system includes local area network (LAN) devices in communication with network devices external to the LAN. An agent in the LAN examines traffic between LAN devices and external devices. The agent executes scans of the LAN devices, generates fingerprint and telemetry data for the LAN devices, and sends the telemetry data and the fingerprint data to a cloud server external to the LAN. The cloud server receives telemetry data and fingerprint data and updates a device attribute database with fingerprints and/or device profiles for the LAN devices to identify anomalous behavior of the LAN devices.Type: GrantFiled: January 2, 2019Date of Patent: March 28, 2023Assignee: Minim Inc.Inventors: Peter Fry, Jeremy Hitchcock, Jonathan T. Rajewski, Alec Rooney
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Patent number: 11612686Abstract: Disclosed is a medical device component for delivering medication fluid to a patient. The medical device component includes a fluid infusion device to regulate delivery of medication fluid, a body-mountable base unit, and a top cover assembly that is removably couplable to the base unit and to the fluid infusion device. The base unit includes a cannula to deliver medication fluid under the control of the fluid infusion device, and a physiological analyte sensor to measure a physiological characteristic. The base unit also includes an electronics assembly electrically connected to sensor leads to obtain measurements in the analog domain, to convert measurements into digital sensor data, and to communicate conditioned digital sensor data to the fluid infusion device. The top cover assembly is configured to provide both fluid and electrical connections for the base unit, by way of an infusion tube having sensor conductors integrated therein or otherwise associated therewith.Type: GrantFiled: June 3, 2020Date of Patent: March 28, 2023Assignee: Medtronic MiniMed, Inc.Inventors: Chia-Hung Chiu, Peter Schultz, Gayane R. Voskanyan, Hsifu Wang, Rebecca K. Gottlieb, Kenneth D. Warnock, Ricardo Juarez Martinez
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Publication number: 20230060985Abstract: A single flex double-sided electrode useful in a continuous glucose monitoring sensor. In one example, a counter electrode is placed on the back-side of the flex and a work electrode is placed on the top-side of the sensor flex. The electrode is fabricated on physical vapor deposited metal deposited on a base substrate. Adhesion of the electrode to the base substrate is carefully controlled so that the electrode can be processed on the substrate and subsequently removed from the substrate after processing.Type: ApplicationFiled: October 25, 2022Publication date: March 2, 2023Applicant: Medtronic MiniMed, Inc.Inventors: Akhil Srinivasan, Barry P. Pham, Robert C. Mucic, Tyler R. Wong
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Patent number: 11590282Abstract: Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device involves obtaining one or more measurement values of a physiological condition in the body of a user during an initial monitoring period and determining a fasting reference value for a metric based on the one or more measurement values. After the initial monitoring period, the method continues by obtaining an updated measurement value during a fasting period, determining a current value for the metric based at least in part on the updated measurement value, and generating a notification in response to a deviation between the current value and the fasting reference value exceeding a threshold indicative of insertion site loss or other loss of effectiveness.Type: GrantFiled: October 22, 2020Date of Patent: February 28, 2023Assignee: Medtronic MiniMed, Inc.Inventors: Mikhail Loutseiko, Anirban Roy, Benyamin Grosman, Di Wu, Rebecca K. Gottlieb, Neha J. Parikh
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Publication number: 20230055521Abstract: An electrochemical sensor including a working electrode having an arrangement of pillars defining channels between the pillars. The channels increase confinement of a byproduct produced in an electrochemical reaction used during sensing of an analyte, so as to increase interaction of the byproduct with the working electrode. A number of working embodiments of the invention are shown to be useful in amperometric glucose sensors worn by diabetic individuals.Type: ApplicationFiled: November 2, 2022Publication date: February 23, 2023Applicant: Medtronic MiniMed, Inc.Inventors: Zhenzhong Sun, Xin Heng, Rui Kong
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Publication number: 20230056878Abstract: This disclosure includes an apparatus for detecting mating of a cap with a fluid delivery device having a housing, a receptacle, and a sensor. The housing is configured to carry an insulin delivery device having a reservoir of the fluid. The receptacle is provided by the housing having a coupling with a locking recess configured to receive a cap with a sprung locking arm. The pressure sensor is carried by the receptacle proximate the coupling and configured to detect engagement force of the sprung locking arm with the receptacle when mated with the housing. A method is also provided.Type: ApplicationFiled: November 7, 2022Publication date: February 23, 2023Applicant: Medtronic MiniMed, Inc.Inventors: Amith Wijesuriya, Thomas P. Miller
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Publication number: 20230053254Abstract: A method of testing one or more analyte sensors each comprising a first electrode; a second electrode; and a material layer disposed on or above the first electrode; the method including (a) applying a voltage potential to the first electrode with respect to the second electrode; (b) measuring a test signal comprising an output current from the first electrode that results from the application of the voltage potential; (c) using the test signal from (b) to observe an electrical characteristic of the analyte sensor; and (d) correlating the electrical characteristic a parameter associated with an electrochemical response of the analyte sensor to an analyte, wherein the testing is under dry conditions without exposure of the electrodes to a fluid containing the analyte or an in-vivo environment containing the analyte.Type: ApplicationFiled: August 13, 2021Publication date: February 16, 2023Applicant: Medtronic MiniMed, Inc.Inventors: Chi-En Lin, Akhil Srinivasan, David L. Probst, Melissa Tsang, Mohsen Askarinya, Riley Clayton Kimball, Robert McKinlay, Vu Nguyen, Wally Dong, Xin Heng, Brennan Toshner
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Patent number: 11547811Abstract: A fluid infusion device includes a housing having a reservoir chamber that receives a fluid reservoir. The fluid reservoir has a first end and a second end. The fluid infusion device includes a connector system having a first body section coupled to a second body section. The first body section defines a bore in communication with a chamber and a counterbore of the second body section to define a fluid flow path. The chamber of the second body section is in fluid communication with a vent subsystem defined through the second body section. The vent subsystem terminates in an outlet, and the vent subsystem is to direct gas in the fluid flow path through the second body section to the outlet. The fluid infusion device includes at least one ring disposed within the reservoir chamber that cooperates with the connector system to securely couple the connector system to the housing.Type: GrantFiled: January 29, 2020Date of Patent: January 10, 2023Assignee: Medtronic MiniMed, Inc.Inventors: Sarnath Chattaraj, Kiem H. Dang, Poonam S. Gulati
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Patent number: 11551812Abstract: An example system for therapy delivery includes one or more processors configured to in response to a prediction indicating that the meal event is to occur, output instructions to an insulin delivery device to deliver a partial therapy dosage, to a device to notify the patient to use the insulin delivery device to take the partial therapy dosage, or to the insulin delivery device to prepare the partial therapy dosage prior to the meal event occurring, and in response to a determination indicating that the meal event is occurring (e.g., based on movement characteristics of a patient arm), output instructions to the insulin delivery device to deliver a remaining therapy dosage, to the device to notify the patient to use the insulin delivery device to take the remaining therapy dosage, or to the insulin delivery device to prepare the remaining therapy dosage.Type: GrantFiled: August 27, 2020Date of Patent: January 10, 2023Assignee: Medtronic MiniMed, Inc.Inventors: Patrick E. Weydt, Pratik J. Agrawal, Louis J. Lintereur, Lavie Golenberg, David Dunleavy
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Patent number: 11534086Abstract: Wearable medical devices are provided. An exemplary wearable medical device includes a printed circuit board assembly (PCBA) comprising a dielectric layer having a top surface and conductive features on the top surface of the dielectric layer. Further, the exemplary wearable medical device includes a top housing mounted directly to the top surface of the PCBA. Also, the wearable medical device includes a power source located between the top housing and the PCBA. The top housing and the dielectric layer of the PCBA encapsulates the conductive features and power source and define an outer surface of the wearable medical device.Type: GrantFiled: October 30, 2020Date of Patent: December 27, 2022Assignee: Medtronic MiniMed, Inc.Inventors: Ellis Garai, James E. Burgett, Claire F. Ferraro
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Patent number: 11511099Abstract: An apparatus is provided for detecting mating of a cap with a fluid delivery device having a housing, a receptacle, and a sensor. The housing is configured to carry an insulin delivery device having a reservoir of the fluid. The receptacle is provided by the housing having a coupling with a locking recess configured to receive a cap with a sprung locking arm. The pressure sensor is carried by the receptacle proximate the coupling and configured to detect engagement force of the sprung locking arm with the receptacle when mated with the housing. A method is also provided.Type: GrantFiled: October 8, 2019Date of Patent: November 29, 2022Assignee: Medtronic MiniMed, Inc.Inventors: Amith Wijesuriya, Thomas P. Miller
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Patent number: 11512384Abstract: Analyte sensors and methods for fabricating analyte sensors are provided. In an exemplary embodiment, a method for fabricating a planar flexible analyte sensor includes sputtering platinum onto a polyester base layer to form a layer of platinum. The method includes patterning the layer of platinum to form working electrodes and additional electrodes. Further, the method includes forming an insulating dielectric layer over the base layer, wherein the insulating dielectric layer is formed with openings exposing portions of the working electrodes and portions of the additional electrodes. Also, the method includes partially singulating individual sensors from the base layer, wherein each individual sensor is connected to the base layer by a tab. The method further includes depositing an enzyme layer over the exposed portions of the working electrodes and coating the working electrodes with a glucose limiting membrane.Type: GrantFiled: February 20, 2018Date of Patent: November 29, 2022Assignee: Medtronic MiniMed, Inc.Inventors: Santhisagar Vaddiraju, Dennis Slomski
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Patent number: 11501867Abstract: Medical devices and related patient management systems and methods are provided. A method of presenting information pertaining to operation of a medical device involves obtaining historical glucose measurement data for a patient from a database, identifying, based on the historical glucose measurement data, a first set of event patterns within respective ones of a plurality of monitoring periods, obtaining an adjusted set of glucose measurement data determined based on the historical glucose measurement data and an uncertainty metric associated with the historical glucose measurement data, identifying, based on the adjusted set of glucose measurement data, one or more event patterns within respective ones of the plurality of monitoring periods, and generating a graphical user interface display comprising an event detection region based at least in part on the first plurality and the one or more sets of event patterns.Type: GrantFiled: October 30, 2018Date of Patent: November 15, 2022Assignee: Medtronic MiniMed, Inc.Inventors: Nicholas S. Mairs, Robert A. Vigersky