Patents Assigned to Fresenius Medical Care Deutschland GmbH
  • Publication number: 20240157303
    Abstract: The invention relates to a filter device for the exchange of substances, comprising a pipe section-shaped housing with a center of gravity and with two housing ends, in which housing a hollow fiber bundle consisting of semi-permeable membranes is arranged, comprising, furthermore, an end cap having a first and second opening, wherein the housing and the end cap configure a first sealing surface which connects the housing and the end cap sealingly, and wherein the first sealing surface is spaced apart further from the center of gravity of the housing than the aperture, and wherein a first fluid chamber is formed between the first sealing surface and the first opening of the end cap, via which first fluid chamber the first opening is connected to the first flow chamber, wherein the housing and the one end cap configure a second sealing surface, wherein the first and second sealing surface are not configured by way of a sealant.
    Type: Application
    Filed: April 6, 2022
    Publication date: May 16, 2024
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Paul GASTAUER, Franz KUGELMANN, Michael PAUL, Andreas RUFFING, Tobias VEIT
  • Patent number: 11982295
    Abstract: A pumping device for pumping liquids includes a centrifugal pump with a radially pumping pump wheel having a hollow center, and is configured to remove accumulations of gas from the interior of the pump. The pumping device includes a detecting device for detecting a first operating parameter, a sensor for measuring a second operating parameter, and a control unit for controlling the pump. The control unit is configured to control the operation of the pump so as to remove accumulations of gas from the hollow center of the pump during liquid pumping operation.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: May 14, 2024
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventor: Alexander Heide
  • Publication number: 20240139390
    Abstract: The present invention relates to a dialysis machine comprising a balancing system that has at least one 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: Application
    Filed: November 1, 2023
    Publication date: May 2, 2024
    Applicant: Fresenius Medical Care Deutschland GmbH
    Inventors: Peter KLÖFFEL, Tilman STÄBLEIN, Andreas SYFONIOS, Dirk HÜMMER, Tobias IRRGANG, Benedict GLASER
  • Patent number: 11969531
    Abstract: A medical device, such as a hemodialysis machine or a peritoneal dialysis machine, is provided with control commands in a secure manner based on the commands being detected on a separate control component. The control commands are detected and thereupon a message is generated which contains a request to activate an operating element. Only if the indicated operating element has been activated is the control command forwarded to a dialysis machine for execution.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: April 30, 2024
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventor: Stefan Konrad Marterstock
  • Patent number: 11970597
    Abstract: The invention relates to a composite material consisting of at least three constituents, a substrate material, a first fibrous reinforcing material and a second reinforcing material, wherein the first fibrous reinforcing material has a lower thermal expansion coefficient than the second reinforcing material and wherein the second reinforcing material has a lower electrical conductivity than the first reinforcing material, wherein the composite material is provided for use in building components of force and motion transmission, in particular those building components of force and motion transmission which come into contact with ultrapure water.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: April 30, 2024
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Gerome Fischer, Arne Peters, Wolfgang Kunz, Scott Cohen
  • Publication number: 20240131240
    Abstract: The invention relates to a medical apparatus designed to receive a detachable fluid-conducting first line portion (3). The medical apparatus comprises a second line portion (2) designed to be connected to the first line portion (3), wherein a movable element (38) is situated in the second line portion (2), by means of which movable element the second line portion (2) is separated into a first sub-portion (2a) and a second sub-portion (2b).
    Type: Application
    Filed: February 16, 2022
    Publication date: April 25, 2024
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Stefan MÜLLER, Martin THYS
  • Patent number: 11964085
    Abstract: The present invention relates to an apparatus and to a method for filling a solution bag for dialysis with a liquid, wherein the apparatus comprises a needle for introduction into a filling line or filling opening of the bag, wherein the needle is a double wall needle having a preferably thermally conductive outer wall and having an inner wall, with a thermal insulation being present between the outer wall and the inner wall; and with a heating element being provided that is configured to heat the outer side of the outer wall to a temperature above the temperature of the inner side of the inner wall.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: April 23, 2024
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Peter Wabel, Marcus Breuninger, Robert Berlich, Birgit Staude, Matthias Rau, Zdenek Cerman
  • Patent number: 11957822
    Abstract: The present invention relates to an apparatus for performing peritoneal dialysis, the apparatus comprising means for delivering dialysis fluid to the peritoneal cavity of a patient, a measurement device for measuring the fluid pressure of the delivered dialysis fluid and/or the fluid pressure in the peritoneal cavity, i.e. the intraperitoneal pressure and/or any pressure related thereto, and a control unit operably connected to said means and the measurement device, wherein the control unit is configured to effect an inflow or outflow phase encompassing a series of fill-and-measurement or drain-and-measurement steps, each step comprising delivering a predetermined quantity of dialysis fluid to the peritoneal cavity or draining a predetermined quantity of dialysis fluid from the peritoneal cavity and subsequently measuring and recording a pressure value.
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: April 16, 2024
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Paul Chamney, Peter Wabel, Klaus Wolf
  • Patent number: 11957826
    Abstract: The present invention relates to a method of removing blood from an extracorporeal blood circuit following termination of a blood treatment session, wherein blood is concurrently removed both from an arterial conduit portion and from a venous conduit portion of the extracorporeal blood circuit. It further relates to a method for recognizing and/or eliminating air inclusions in or from an extracorporeal blood circuit and a treatment apparatus as well as a tube system.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: April 16, 2024
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventors: Goetz Guenther, Joachim Manke
  • Publication number: 20240115779
    Abstract: A pressure-measuring device according to the invention has a hydrophobic membrane, which is air permeable in the dry state and air impermeable in a moistened state, and a pressure sensor, which is in mechanical contact with the hydrophobic membrane and which is designed to follow a movement of the membrane. During the filling of a line system, air is separated via the hydrophobic membrane and, in the air-impermeable state, the pressure in the line system is measured by means of the moistened hydrophobic membrane.
    Type: Application
    Filed: February 8, 2022
    Publication date: April 11, 2024
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventor: Frank BIERMANN
  • Patent number: 11948445
    Abstract: A medical system includes a medical device configured to provide device-related data for evaluating the reasons for an alarm in order to trigger appropriate countermeasures. The medical device includes a set of sensors, a display, and a processor. The processor is configured to generate an alarm message in response to the alarm signal provided by the set of sensors, detect a set of machine parameters in response to generating the alarm message, generate or obtain an encoded data package representing the set of detected machine parameters in a compressed format, and generate a mixed-type alarm convolute based on the alarm signal provided by the set of sensors. The alarm convolute comprises the alarm message in a readable format and the encoded data package, and the processor is configured to issue the alarm convolute on the display.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: April 2, 2024
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventor: María Millán-Galante
  • Publication number: 20240096059
    Abstract: A method for classifying images, in which the images are classified according to good images and bad images, comprises the following steps: capturing image data of an image, and classifying the image as a good image (GB) or a bad image (SB, SB2), wherein the classification is made using an artificial neural network trained by supervised learning using training data from a plurality of good images (GB) and a plurality of bad images (SB), wherein each bad image (SB) of at least a subset of the plurality of bad images (SB) of the training data corresponds to a respective good image (GB) of at least a subset of the plurality of good images (GB) of the training data, into which at least one image error (11) is inserted, and wherein the artificial neural network is trained using respective pairs of a respective good image (GB) from the subset of the plurality of good images (GB) and a respective bad image (SB) from the subset of the plurality of bad images (SB), wherein a respective bad image (SB) corresponds to
    Type: Application
    Filed: December 17, 2021
    Publication date: March 21, 2024
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Phillip VASSEN, Axel KORT
  • Publication number: 20240094039
    Abstract: The invention relates to a method for determining the quantity of a fluid in a container (B), having the steps: transmitting (S20s) a specified bit sequence via an HF signal to determine channel state information, wherein the signal is directed at the container (B) and wherein a quantity to be determined is located in the container (B), receiving (S20) a reflection or a transmission of the transmitted HF signal, evaluation of errors and/or error parameters, comparison of errors and/or error parameters with at least one training parameter.
    Type: Application
    Filed: January 28, 2022
    Publication date: March 21, 2024
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Felix WEGE, Lukas MARIK
  • Patent number: 11931546
    Abstract: The present disclosure describes a medical syringe pump and a method for calibrating a medical syringe pump. In some cases the medical syringe pump is configured and/or prepared to execute the method according to the present disclosure, or has been calibrated accordingly. This disclosure also describes a blood treatment apparatus which comprises such syringe pump or is connected to such syringe pump. Furthermore, the present disclosure describes a digital storage medium and/or a computer program product as a computer program.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: March 19, 2024
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventors: Michael Tanneberg, Jochen Siebert, Ralf Rogmann, Patrick Dietz, Jochen Rueckert
  • Patent number: 11931494
    Abstract: The invention relates to a dialysis machine having a fluid system that has an inflow line for providing fresh dialyzing solution to a dialyzer and an outflow line for removing used dialyzing solution from the dialyzer, wherein the fluid system has a balancing system arranged between the inflow and outflow lines to balance the fluid volumes flowing through the lines, and wherein the fluid system has an ultrafiltration line that branches off from the outflow line between the dialyzer and the balancing system and has an ultrafiltration pump to be able to remove a defined volume of used dialyzing solution from the balance, and wherein an additional balancing chamber is provided that is arranged in a section of the inflow line disposed between the balancing system and the dialyzer or in a section of the outflow line disposed between the dialyzer and the branching of the ultrafiltration line.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: March 19, 2024
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Tobias Irrgang, Benedict Glaser, Peter Klöffel
  • Patent number: 11925742
    Abstract: A device includes a processor and a non-transitory memory having processor-executable instructions stored thereon. The device is usable with a blood treatment apparatus, such as a hemodialysis machine. The processor-executable instructions, when executed by the processor, facilitate: determining a time point with regard to puncturing a vessel of a patient, wherein puncturing the vessel of the patient is related to a blood treatment for the patient using a blood treatment apparatus; determining a time period based on the determined time point; and transmitting data related to the determined time point and/or data related to the determined time period to a receiving device.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: March 12, 2024
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventors: Stefan Wegner, Reiner Spickermann, Klaus Balschat
  • Patent number: 11925736
    Abstract: Dialyzer systems can consolidate multiple technologies and functionalities of blood treatment systems in a significantly integrated fashion. For example, this disclosure describes dialyzer systems that include a magnetically driven and magnetically levitating pump rotor integrated into the dialyzer. Such a dialyzer can be used with treatment modules that include a magnetic field-generating pump drive unit. In some embodiments, the dialyzers include pressure sensor chambers with flexible membranes with which corresponding pressure transducers of the treatment modules can interface to detect arterial and/or venous pressures.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: March 12, 2024
    Assignees: Fresenius Medical Care Deutschland GmbH, Fresenius Medical Care Holdings, Inc.
    Inventors: Massimo Earl Fini, Lynn E. Jensen, Alexander Heide, Dejan Nikolic, Arne Peters, Christoph Wiktor, Marina Wenke, Tommy Huang, Dacey John Ryan, Stefan Kreber, Lothar Leick, Dzhuney Terzi, Hendrik Therre, Manfred Weis, Alain Veneroni, Reinhold Reiter, Michele Marini, Davide Maria Benelli, Brad Yang, Jiunn Teo
  • Patent number: 11925479
    Abstract: The present invention relates to a method of determining the body temperature or a temperature correlated therewith of a patient connected to an extracorporeal blood circuit, wherein the extracorporeal blood circuit has a heat exchanger which is flowed through by blood at one side and by a heat carrier medium at the other side, wherein the temperature (Tdi) of the heat carrier medium at the inlet side is measured at the inlet of the heat exchanger and the temperature (Tdo) of the heat carrier medium at the outlet side is measured at the outlet of the heat exchanger and the volume flow of the heat carrier medium (Qd) is measured; and in that the temperature (Tbi) of the blood at the inlet side is determined at the inlet of the heat exchanger in accordance with the relationship Tbi=Tdi (Qd/D) (Tdo?Tdi), where the value D is a value characteristic of the heat transfer by the heat exchanger.
    Type: Grant
    Filed: September 4, 2017
    Date of Patent: March 12, 2024
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventor: Andreas Maierhofer
  • Patent number: 11918724
    Abstract: This disclosure relates to a method for temporarily interrupting an extracorporeal treatment of blood of a patient by use of a blood treatment apparatus. The method comprises activating or controlling a control device provided and configured to bring the blood treatment apparatus into a state in which the blood treatment of the patient can be interrupted with the intention to continue the blood treatment. This disclosure further relates to a control device, a blood treatment apparatus, a digital storage means, a computer program product as well as a computer program.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: March 5, 2024
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventors: Uwe Hermann, Sabine Kipp, Christine Nachbaur-Sturm, Thomas Pusinelli, Martin Gruendken, Georg Verch
  • Patent number: 11918722
    Abstract: The present disclosure relates to an insert piece for a blood tubing set. The insert piece includes at least a first connection site for connecting a first tubing portion of the blood tubing set to the insert piece, and a second connection site for connecting a second tubing portion of the blood tubing set to the insert piece. The insert piece also includes a third connection site for connecting a third tubing portion of the blood tubing set to the insert piece, and a main line for forwarding a first liquid through the insert piece. The main line is in fluid communication with the first connection site and with the second connection site. The insert piece also includes a secondary line for forwarding a second liquid into the main line. The secondary line is in fluid communication with the third connection site.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: March 5, 2024
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventors: Jürgen Häcker, Jürgen Klewinghaus