Patents Assigned to Fresenius Medical Care Deutschland GmbH
  • Patent number: 11872530
    Abstract: The invention relates to the providing of hydrophobic and hydrophilic polymer-based hollow fiber membranes containing a water-insoluble antioxidant; in particular, the invention relates to the providing of hollow fiber membranes for the extracorporeal treatment of blood, wherein the hollow fiber membranes have improved biocompatibility relative to treatment blood, in particular improved complement activation and lower platelet loss vis-à-vis treatment blood. At the same time, the elution of hydrophilic polymers from the lumen of the hollow fiber membrane is reduced.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: January 16, 2024
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Michael Paul, Rainer Fislage, Dietmar Hansel
  • Patent number: 11872336
    Abstract: The present invention relates to a dialysis machine having a dialyzer, an extracorporeal blood circuit, a dialysis solution circuit, and a control unit, wherein a blood leak sensor is arranged downstream of the dialyzer in the dialysis solution circuit, wherein the control unit is configured to initiate an error routine when the signal of the blood leak sensor shows an indication of a presumed blood leak, and wherein a further sensor is furthermore arranged downstream of the dialyzer in the dialysis solution circuit, wherein the control unit is configured to use the signal of the further sensor correlated in time with the signal of the blood leak sensor as a suppression criterion for the initiation of the error routine.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: January 16, 2024
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventor: Reiner Spickermann
  • Patent number: 11869660
    Abstract: The invention relates to the field of medical fluid management devices, in particular dialysis machines. The object of the invention is to design methods and devices, such that the monitoring and control of medical fluid management devices from a remote site are possible. To do so, the screen content of the output device of a fluid management device is transmitted at least partially to an output device of a remote control unit. The screen content optionally has user interfaces, which can be selected on the remote control device and lead to changes in the control of the transmitting medical fluid management device.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: January 9, 2024
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventors: Georg Brand, Daniel Hauck, Peter Kloeffel, Thomas Stahl
  • Patent number: 11857711
    Abstract: A method for setting a control device or a closed-loop control device of a blood treatment apparatus, includes providing, determining or reading out a correction factor and correcting the flow value and/or the treatment target entered by the user by or about the correction factor. Furthermore, the present disclosure relates to a blood treatment apparatus, a digital storage medium, a computer program product, and a computer program.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: January 2, 2024
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventor: Juergen Klewinghaus
  • Patent number: 11857494
    Abstract: The present invention relates to a peritoneal dialysis system comprising at least one peritoneal dialysis machine and at least one organization system that is configured to carry the peritoneal dialysis machine and/or one or more functional elements that are connected to the peritoneal dialysis machine or are connectable thereto, wherein the organization system can be folded for purposes of transport or storage and can be set up, starting from the folded state, into its functional state for the purpose of carrying out the peritoneal dialysis treatment, with the organization system having one or more carrier elements for carrying the peritoneal dialysis machine itself and/or the functional element or elements at least in its set up functional state.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: January 2, 2024
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Klaus Wolf, Manuel Hassler
  • Patent number: 11844889
    Abstract: An extracorporeal blood treatment device is provided that includes a hydraulic system having a plurality of flow paths. A control unit provides an operating mode for disinfecting the hydraulic system with a liquid supplied via one of the flow paths. A method for operating the extracorporeal blood treatment device is also provided. The hydraulic system has a valve device that provides several switching positions. The valve device has an inlet for a liquid for disinfecting the hydraulic system, and a plurality of outlets. In a first switching position, the inlet is connected to one of the outlets. In another switching position, the inlet is connected to a plurality of the outlets. The inlet of the valve device is in fluid communication with a first flow path and the outlets are in fluid communication with another flow path. Disinfecting liquid can simultaneously be supplied to the individual flow paths.
    Type: Grant
    Filed: November 18, 2022
    Date of Patent: December 19, 2023
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventor: Tobias Irrgang
  • Patent number: 11839710
    Abstract: A dialysis machine has a balancing system with a balancing chamber for a volumetrically exact supply and removal of dialysis solution to and from a dialyzer fluidically connected to the balancing system in operation; a water inlet system connected to the balancing system for the supply of fresh dialysis liquid, with the water inlet system having an apparatus for degassing water that is connected to an air separator of the dialysis machine, with a first subsection of the air separator serving as a mixing chamber and being connectable to at least one concentrate source via at least one concentrate line and being in fluid communication with the balancing system via at least one dialysate line, wherein the filling volume of a balancing chamber corresponds to or exceeds the sum of the volume of the mixing chamber and the inner volume of the dialysate line.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: December 12, 2023
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Peter Klöffel, Tilman Stäblein, Andreas Syfonios, Dirk Hümmer, Tobias Irrgang, Benedict Glaser
  • Publication number: 20230395261
    Abstract: A computer-implemented method for automatically determining at least one quantifiable score comprises the steps of a) acquiring therapy data concerning a medical therapy, namely a dialysis treatment or a kidney replacement treatment, that is performed by a medical device on a patient, b) acquiring sound, image and/or video data of the patient or his environment, and c) determining at least one quantifiable score based on the therapy data and at least one of the sound, image and video data of the patient or his environment.
    Type: Application
    Filed: October 19, 2021
    Publication date: December 7, 2023
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Lena SCHERER, Max BOTLER
  • Patent number: 11833283
    Abstract: In some embodiments, a medical system includes a dialysis machine having at least one outer surface to be disinfected at a given location, at least one disinfection sensor connected to the dialysis machine at the given location, the disinfection sensor including two or more electrode in fluid contact with the outside surface of the dialysis machine, and a conductivity sensor component in electrical contact with the two or more electrodes, the conductivity sensor component configured to send an electrical signal indicating a conductivity of a liquid on an outside surface of the dialysis machine and in contact with the two or more electrodes, a processor configured to receive the electrical signal and thereby determine a disinfection status of the given location, and a user interface configured to indicate the disinfection status of the given location.
    Type: Grant
    Filed: December 2, 2022
    Date of Patent: December 5, 2023
    Assignees: Fresenius Medical Care Holdings, Inc., Fresenius Medical Care Deutschland GmbH
    Inventors: Martin Joseph Crnkovich, Colin Weaver, Christian Schlaeper
  • Patent number: 11819598
    Abstract: The present invention relates to an apparatus for regenerating a dialysis solution, wherein the apparatus has a first circuit and a second circuit, with the first circuit having a container for receiving the consumed dialysis solution, the primary side of a filter connected downstream of the container, and a return line from the primary side of the filter into the container, with the filter being configured to prepare purified water from the consumed dialysis solution, and with the second circuit having the secondary side of the filter, the dialyzate side of a dialyzer, and a return line from the dialyzate side of the dialyzer into the container. The present invention further relates to a method of regenerating a dialysis solution.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: November 21, 2023
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventor: Stefan Konrad Marterstock
  • Publication number: 20230364313
    Abstract: The invention relates to an access system 1 for a medical device, which system has a housing body 21 in which an inner pipe portion 22 for transporting a medical fluid is formed, which portion is enclosed by an outer pipe portion 24 so as to form an empty space 23 for receiving a disinfectant fluid, the housing body 21 having an opening 25 that can be closed by a closure element. The access system 1 according to the invention is characterised in that a measuring electrode 30 and at least one counter electrode 31, 32 are arranged in the housing body 21 such that the measuring electrode 30 interacts with the counter electrode via the empty space 23. The measuring electrode 30 allows an electrical signal to be input such that a current flowing between the measuring electrode and the counter electrode or a voltage applied between the measuring electrode and the counter electrode can be evaluated.
    Type: Application
    Filed: October 5, 2021
    Publication date: November 16, 2023
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Joachim NOACK, Klaus SAUER, Peter KLOEFFEL, Rene BAUER, Matthias FEHLER, Markus THEN, Burkard KELLER, Achim EBERLEIN, Oliver BOND
  • Patent number: 11813577
    Abstract: The invention relates to an apparatus and a method for the manufacture of at least one hollow fiber membrane, wherein a spinning mass is extruded via a spinning unit to form a spinning thread and precipitated in a precipitation bath to form a hollow fiber membrane and the hollow fiber membrane is optionally rinsed in a rinsing bath, wherein furthermore the hollow fiber membrane is passed through at least one drying unit, wherein the drying unit comprises a pressure section which is constructed in such a way that a positive pressure compared with atmospheric pressure can be set in the pressure section, and at least part of the precipitating agent or rinsing agent contained in the at least one hollow fiber membrane (104) is separated from the at least one hollow fiber membrane.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: November 14, 2023
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventor: Michael Paul
  • Patent number: 11793914
    Abstract: A medical system, usable for example in connection with a dialysis apparatus, may utilize radar waves for monitoring a patient, a medical area, or an object. The medical system includes at least one sending device for sending radar waves, and at least one receiving device for receiving reflected radar waves. The medical system further includes an evaluation unit for evaluating the reflected radar waves which have been received by the at least one receiving device, resulting in obtaining a result, and an output device for outputting the result or a signal based on the result.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: October 24, 2023
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventors: Christoph Wiktor, Andreas Röse, Benedict Glaser, Manuel Weikert, Gerome Fischer, Martin Urban, David Hannes, Pascal Kopperschmidt, Felix Wege
  • Patent number: 11786644
    Abstract: A method for determining a treatment regimen for altering the treatment parameters when dialyzing a patient over a plurality of treatment sessions taking place on future days includes determining a diffusive total target sodium balance; and determining a transitional treatment regimen by which the diffusive total target sodium balance is achieved over the plurality of future treatment sessions. A control device or closed-loop control device is configured to control a blood treatment apparatus using the method.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: October 17, 2023
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventor: Andreas Maierhofer
  • Publication number: 20230320932
    Abstract: The present invention refers to a system and method for opening a concentrate container without the need for a human to directly handle the concentrate container and connecting the concentrate container to a blood treatment device. Aspects of the invention are directed to a container for concentrate and a blood treatment device.
    Type: Application
    Filed: March 10, 2021
    Publication date: October 12, 2023
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Winfried BREHM, Philippe LAFFAY, Gerhard WIESEN, Paul SEIT, Rafael STERZER
  • Publication number: 20230321610
    Abstract: A hollow fiber membrane for separating blood plasma from blood, comprising a blood contact layer and a support layer each comprising a hydrophobic polymer, a hydrophilic polymer and vitamin E, and a method for producing said hollow fiber membrane to provide a hollow fiber membrane is described. The hollow fiber membrane is characterized by a reduced hemolysis activity so that the hollow fiber membrane can be advantageously used in plasmapheresis methods.
    Type: Application
    Filed: June 1, 2021
    Publication date: October 12, 2023
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Dietmar HANSEL, Michael PAUL
  • Patent number: 11771809
    Abstract: A method for stabilizing dialysate consumption flow in a central distribution loop for a plurality of dialysis machines comprises: coordinating each dialysate dispensing cycle of active ones of the dialysis machines; calculating dialysate or concentrates consumption based on amount required in each dialysate dispensing cycle of the active dialysis machines; and preparing the dialysate based on the calculated dialysate or concentrates consumption required by the active dialysis machines.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: October 3, 2023
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventor: Kee Jor
  • Publication number: 20230302208
    Abstract: The invention relates to a dialysis treatment unit in which the connecting line to the central concentrate supply is also rinsed in the rinsing or cleaning process in order to prevent deposits therein.
    Type: Application
    Filed: May 16, 2023
    Publication date: September 28, 2023
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Pia DANIEL, Stephan GOESSMANN, Klaus KARL, Georg VERCH
  • Patent number: 11759556
    Abstract: The present teachings generally include parabiotic dialysis systems and techniques. For example, the present disclosure includes parabiotic liver dialysis, e.g., for use in settings with limited resources. To this end, a parabiotic liver dialysis system may include a device having a semipermeable membrane with an average pore size that allows for the passage of albumin therethrough. In such a system, a first extracorporeal circuit may connect the device to the vascular system of a first animal (e.g., a liver patient), and a second extracorporeal circuit may connect the device to the vascular system of a second animal (e.g., a human with normal liver function), where the exchange of albumin therebetween is facilitated through the device. The present disclosure also includes various safety measures for parabiotic dialysis systems and techniques, such as biometric verification systems and techniques.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: September 19, 2023
    Assignees: Fresenius Medical Care Holdings, Inc., Fresenius Medical Care Deutschland GmbH, Fresenius Medical Care AG & Co. KGaA
    Inventors: Stefan Weiss, Peter Kotanko, Roland Sander
  • Patent number: 11759555
    Abstract: The invention relates to a medical device comprising a printable electrical component (1), the printable electrical component (1) comprising a plastic substrate (L1) wherein at least electrical component (E) is applied to the plastic substrate, wherein the electrical component (E) comprises a dried conductive ink, wherein the plastic substrate is selected from the group comprising polycarbonate, cycloolefin copolymers, polymethylacrylate, polypropylene and wherein the dried conductive ink comprise silver and/or gold, wherein the electrical component (E) comprises feather-like and/or meander-like and/or spiral-shaped sections, whereby the medical device further comprises a fluid line, wherein the printable electrical component is located on the outside of the fluid line.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: September 19, 2023
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Dejan Nikolic, Alexander Heide, Daniel Juric, Andre Buelau, Juergen Keck, Jonathan Seybold, Karl-Peter Fritz, Kerstin Glaeser