Patents by Inventor David B. Lura
David B. Lura 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: 11857712Abstract: A blood based solute monitoring system for measuring at least one blood solute species that has a first recirculation flow path in communication with a dialyzer. The first recirculation flow path is configured to allow a fluid to recirculate through a dialyzer such that the concentration of at least one solute species in the fluid becomes equilibrated to the solute species concentration of the blood compartment of the dialyzer. The blood solute monitoring system has at least one sensor to measure a fluid characteristic.Type: GrantFiled: November 10, 2020Date of Patent: January 2, 2024Assignee: Mozarc Medical US LLCInventors: Bryant J. Pudil, Thomas E. Meyer, David B. Lura, Martin T. Gerber
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Patent number: 11786645Abstract: A portable dialysis cabinet for use in dialysis. The portable dialysis cabinet can have a size and weight that facilitates easy movement of the cabinet from one location to another with relative ease. The portable dialysis cabinet can have additional features necessary to facilitate portability, such as wheels and a handle. In general, the portable dialysis cabinet can contain all the necessary components for performing a dialysis session.Type: GrantFiled: November 28, 2018Date of Patent: October 17, 2023Assignee: Mozarc Medical US LLCInventors: Thomas E. Meyer, David B. Lura, Bryant J. Pudil, Martin T. Gerber
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Publication number: 20230123024Abstract: Systems and methods for managing the pH of a dialysate fluid during hemodialysis therapy. The systems and methods adjust dialysate pH and buffer concentration to generate a predetermined total bicarbonate buffer concentration in a dialysate entering a dialyzer.Type: ApplicationFiled: October 26, 2022Publication date: April 20, 2023Applicant: Medtronic, Inc.Inventors: Bryant J. Pudil, Martin T. Gerber, David B. Lura, Thomas E. Meyer
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Publication number: 20230050477Abstract: Systems and methods for managing the pH of a dialysate fluid during hemodialysis therapy. The systems and methods adjust dialysate pH and buffer concentration to generate a predetermined total bicarbonate buffer concentration in a dialysate entering a dialyzer.Type: ApplicationFiled: October 26, 2022Publication date: February 16, 2023Applicant: Medtronic, Inc.Inventors: Bryant J. Pudil, Martin T. Gerber, David B. Lura, Thomas E. Meyer
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Patent number: 11565029Abstract: A sorbent cartridge that has at least one sensor located within the sorbent cartridge.Type: GrantFiled: March 15, 2013Date of Patent: January 31, 2023Assignee: Medtronic, Inc.Inventors: David B. Lura, Thomas E. Meyer, Bryant J. Pudil, Martin T. Gerber, Kenneth J. Collier
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Patent number: 11452803Abstract: The invention relates to infusate containers and related systems and methods for housing infusates that can be added to a fluid flow path for use during dialysis. The infusate containers can include a filter partitioning the containers into a first and second compartment, a draw tube for drawing up fluid from a bottom portion, a cap, a fluid connector for delivery and withdrawal of fluid from the two compartments, and a fluid connector for connection to a dialysis system.Type: GrantFiled: May 12, 2017Date of Patent: September 27, 2022Assignee: Medtronic, Inc.Inventors: David B. Lura, Thomas E. Meyer, Jin Huang, Yue Qiang Xue
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Patent number: 11313804Abstract: The invention relates to a fluid sensor apparatus and a related sensor card for determining and/or monitoring a pH and/or solute concentration in a fluid. The fluid sensor apparatus can be used in any application requiring the detection of fluid components or concentrations of solutes, and in an exemplary embodiment, is used to detect ammonia concentration and/or pH in dialysis fluid. The fluid sensor apparatus has a camera, a light source positioned opposite to the camera, and a receiving slot for positioning a removable sensor card between the camera and the light source such that both sides of the sensor card are exposed to the sampled fluid.Type: GrantFiled: August 15, 2017Date of Patent: April 26, 2022Assignee: Medtronic, IncInventors: David B. Lura, Shawn Kelley, Martin T. Gerber
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Patent number: 11255831Abstract: The invention relates to a colorimetric gas detector for determining and monitoring gaseous substances. The colorimetric gas detector can be used in any application requiring the detection of substances in a gaseous environment. The colorimetric gas detector has a photodetector, a light source positioned opposite to the photodetector, and a receiving slot for positioning a colorimetric media between the camera and the light source.Type: GrantFiled: August 15, 2017Date of Patent: February 22, 2022Assignee: Medtronic, Inc.Inventors: Martin T. Gerber, David B. Lura, Shawn Kelley
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Publication number: 20210338912Abstract: A system for measuring at least one fluid characteristic at various stages within a sorbent system that has a sorbent cartridge that has at least one material layer and at least one fluid passageway in at least one location in the sorbent system to provide a diverted sample stream from the various stages. At least one fluid characteristic of the diverted sample stream is measured.Type: ApplicationFiled: July 16, 2021Publication date: November 4, 2021Applicant: Medtronic, Inc.Inventors: Thomas E. Meyer, David B. Lura, Bryant J. Pudil, Martin T. Gerber
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Patent number: 11154648Abstract: A system for measuring at least one fluid characteristic at various stages within a sorbent system that has a sorbent cartridge that has at least one material layer and at least one fluid passageway in at least one location in the sorbent system to provide a diverted sample stream from the various stages. At least one fluid characteristic of the diverted sample stream is measured.Type: GrantFiled: March 15, 2013Date of Patent: October 26, 2021Assignee: Medtronic, Inc.Inventors: Thomas E. Meyer, David B. Lura, Bryant J. Pudil, Martin T. Gerber
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Patent number: 11103626Abstract: The invention relates to an infusate holder for use in dialysis. The infusate holder can include one or more interior compartments for holding infusate containers or infusates. The interior compartments are aligned to cooperate with fluid connectors of a dialysis system, ensuring that the proper infusates are added to the dialysis system at a proper location.Type: GrantFiled: May 8, 2017Date of Patent: August 31, 2021Assignee: Medtronic, Inc.Inventors: David B. Lura, Martin T. Gerber, Christopher M. Hobot, Thomas E. Meyer, Jin Huang
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Patent number: 10980930Abstract: The invention relates to fluid flow paths and fluid connectors for use with detachable containers that can be seated in an infusate caddy for use in a dialysis machine. The detachable containers can contain infusates or other solutes or materials such as disinfectants or cleaners, and can be conveniently seated in the infusate caddy. The detachable containers can be removed from the infusate caddy for restocking, cleaning, or resupply, as needed. The infusate caddy can be positioned or seated in a receiving compartment of a dialysis machine, and can also be removed, as needed. The fluid path and fluid connectors of the present invention provide the required fluid fittings, valve arrangements, pumps, and paddle assemblies for using the infusate caddy.Type: GrantFiled: July 25, 2016Date of Patent: April 20, 2021Assignee: Medtronic, IncInventors: David B. Lura, Christopher M. Hobot, Martin T. Gerber, Thomas E. Meyer
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Publication number: 20210052798Abstract: A blood based solute monitoring system for measuring at least one blood solute species that has a first recirculation flow path in communication with a dialyzer. The first recirculation flow path is configured to allow a fluid to recirculate through a dialyzer such that the concentration of at least one solute species in the fluid becomes equilibrated to the solute species concentration of the blood compartment of the dialyzer. The blood solute monitoring system has at least one sensor to measure a fluid characteristic.Type: ApplicationFiled: November 10, 2020Publication date: February 25, 2021Applicant: Medtronic, Inc.Inventors: Bryant J. Pudil, Thomas E. Meyer, David B. Lura, Martin T. Gerber
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Patent number: 10905816Abstract: Systems and methods for managing the sodium concentration of a dialysate fluid during hemodialysis therapy and adjusting sodium concentration using a sodium management system to generate a sodium-modified fluid are provided. The systems and methods also provide a mechanism for controlled addition of sodium ions to the dialysate to generate a predetermined total sodium concentration in a dialysate.Type: GrantFiled: February 2, 2013Date of Patent: February 2, 2021Assignee: Medtronic, Inc.Inventors: Bryant J. Pudil, Martin T. Gerber, David B. Lura, Thomas E. Meyer
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Patent number: 10888648Abstract: The invention relates to devices, systems, and methods for priming, disinfecting, and preparing dialysate and related fluids for use in dialysis. The dialysate and related fluids can be prepared from solutes obtained from infusate containers seated in an infusate caddy. The infusate caddy can be removably positioned in a receiving compartment of a dialysis machine. Similarly, the infusate containers containing the necessary solutes for preparing the dialysate and related fluids can also be removably positioned in the infusate caddy.Type: GrantFiled: July 25, 2016Date of Patent: January 12, 2021Assignee: Medtronic, IncInventors: David B. Lura, Christopher M. Hobot, Martin T. Gerber, Thomas E. Meyer
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Patent number: 10881777Abstract: A blood based solute monitoring system for measuring at least one blood solute species that has a first recirculation flow path in fluid communication with a dialyzer. The first recirculation flow path is configured to allow a fluid to recirculate through a dialyzer such that the concentration of at least one solute species in the fluid becomes equilibrated to the solute species concentration of the blood in a blood compartment of the dialyzer. The blood solute monitoring system has at least one sensor to measure a fluid characteristic.Type: GrantFiled: October 9, 2018Date of Patent: January 5, 2021Assignee: Medtronic, Inc.Inventors: Bryant J. Pudil, Thomas E. Meyer, David B. Lura, Martin T. Gerber
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Patent number: 10874788Abstract: The invention relates to an infusate caddy for carrying, organizing, and operating infusate containers containing solutes for preparing dialysate and related fluids for use in dialysis. The infusate containers can be seated in the infusate caddy, and the infusate containers removed from the infusate caddy for restocking, cleaning, or resupply, as needed. The infusate caddy can be positioned or seated in a receiving compartment of a dialysis machine, and can also be removed, as needed, from the dialysis machine.Type: GrantFiled: July 25, 2016Date of Patent: December 29, 2020Assignee: Medtronic, Inc.Inventors: David B. Lura, Christopher M. Hobot, Martin T. Gerber, Thomas E. Meyer
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Publication number: 20200400584Abstract: The invention relates to sensor cards for determining and/or monitoring solute concentration and/or pH of a fluid based on an optically observable change of a sensing membrane or colorimetric material in the presence of ions in solution. The sensor cards can be placed in a fluid sensor apparatus and used to determine the solute concentration and/or pH of any fluid, such as dialysate.Type: ApplicationFiled: September 1, 2020Publication date: December 24, 2020Applicant: Medtronic, Inc.Inventors: David B. Lura, Shawn Kelley
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Patent number: 10850016Abstract: Systems and methods for cleaning and disinfecting a medical therapy device that delivers any one of hemodialysis, hemodiafiltration and hemofiltration. The system has a base module that has at least one segment of a controlled compliant flow path and at least one pair of jumpered ports configured on the base module. One or more components have connections connectable to the jumpered ports of the base module to provide for fluid communication between the segment of the controlled compliant flow path in the base module and a flow path defined by the one or more components. The base module is connected to the one or more components that define a flow path configurable for carrying out in part at least one function performed during any one of hemodialysis, hemodiafiltration or hemofiltration.Type: GrantFiled: February 1, 2013Date of Patent: December 1, 2020Assignee: MEDTRONIC, INC.Inventors: Thomas E. Meyer, David B. Lura, Bryant J. Pudil, Martin T. Gerber, Mark F. Daniels
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Patent number: 10744249Abstract: Systems and methods for cleaning and disinfecting a medical therapy device that delivers any one of hemodialysis, hemodiafiltration and hemofiltration. The system has a base module that has at least one segment of a controlled compliant flow path and at least one pair of jumpered ports configured on the base module. One or more components have connections connectable to the jumpered ports of the base module to provide for fluid communication between the segment of the controlled compliant flow path in the base module and a flow path defined by the one or more components. The base module is connected to the one or more components that define a flow path configurable for carrying out in part at least one function performed during any one of hemodialysis, hemodiafiltration or hemofiltration.Type: GrantFiled: August 21, 2018Date of Patent: August 18, 2020Assignee: Medtronic, Inc.Inventors: Thomas E. Meyer, David B. Lura, Bryant J. Pudil, Martin T. Gerber, Mark F. Daniels