Patents Assigned to Fresenius Medical Care Deutschland GmbH
  • Patent number: 11571502
    Abstract: A pressure measuring line with a connector can be used to connect the pressure measuring line to a blood treatment apparatus, and to a membrane. In some embodiments, the pressure measuring line comprises at least two consecutive lumen sections, namely the first lumen section and the second lumen section. The first lumen section can include a first lumen geometry and the second lumen section can include a second lumen geometry. The first lumen geometry and the second lumen geometry can differ from each other in at least their diameters. Further, a monitoring method and devices can be used in conjunction with the pressure measuring lines.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: February 7, 2023
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventors: Juergen Klewinghaus, Alexander Schroers
  • Patent number: 11571503
    Abstract: The present invention relates to a method of adding an anticoagulant to the blood of a patient, wherein the addition takes place in the form of a bolus, wherein the bolus application time B depends on the values TBV and CO, with TBV representing the blood volume of the patient and CO the cardiac output of the patient. The present invention furthermore relates to an apparatus for adding a coagulant to the blood of a patient.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: February 7, 2023
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Gerhard Wiesen, Reiner Spickermann
  • Publication number: 20230024911
    Abstract: The invention relates to device (1) for measuring volumes of a liquid in a container (B) by means of measuring emitted high-frequency radiation, comprising control unit (C), a transmitter (TX), at least one first transmitting antenna (ANT_TX1) and at least one second transmitting antenna (ANT_TX2), at least one receiving antenna (ANT_RX1) and a receiver (RX), wherein the transmitter (TX) is configured to emit high-frequency radiation when in operation, wherein the first transmitting antenna (ANT_TX1) and the second transmitting antenna (ANT_TX2) are configured to emit high-frequency radiation during operation so that radiation can reach the container (B), wherein first receiving antenna (ANT_RX1) is configured to record high-frequency radiation reflected from the container (B), wherein the receiver (RX) is configured to take up the high-frequency radiation received by the receiving antenna (ANT_RX1), wherein the control unit (C) is configured to control the transmitters so that the transmitter (TX) emits high
    Type: Application
    Filed: December 17, 2020
    Publication date: January 26, 2023
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Felix WEGE, David HANNES, Robert LINDEMANN
  • Patent number: 11559617
    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: Grant
    Filed: September 12, 2019
    Date of Patent: January 24, 2023
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Winfried Brehm, Phillippe Laffay, Gerhard Wiesen
  • Publication number: 20230008713
    Abstract: The present invention relates to a medical device having a transparent region and a label wherein a hot stamping film is located on the transparent region; and a thermal transfer film that in turn has a label is located on the hot stamping film, with the label having a different color than the hot stamping film. The invention furthermore relates to a method of applying a label to a medical device.
    Type: Application
    Filed: December 16, 2020
    Publication date: January 12, 2023
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Jörn HOERMANN, Sebastian MEISINGER
  • Patent number: 11547515
    Abstract: The invention relates to a mobile selection system for selecting medical accessories comprising a control system, a user interface and a treatment cart. The treatment cart comprises a plurality of storage devices each having at least two storage areas for a respective accessory type. The control system thereby implements a selection method having the following method steps. The treatment identifier of the treatment to be performed is determined in one method step via the user interface. In a further method step, a plurality of accessory set parameters which characterize a medical accessory set are determined on the basis of an accessory database and on the basis of the treatment identifier of the treatment to be performed.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: January 10, 2023
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Olaf Schermeier, Kirill Koulechov
  • Patent number: 11541355
    Abstract: The invention relates to a method of determining a permeation property of hollow-fibre membranes wherein the permeation property of the hollow-fibre membrane is determined on a hollow-fibre membrane bundle which has been introduced into a housing and has terminally open hollow-fibre membranes at a first end of the hollow-fibre membrane bundle and terminally closed hollow-fibre membranes at a second end of the hollow-fibre membrane bundle. The invention more particularly relates to a method of determining the ultrafiltration rate and/or the ultrafiltration coefficient of hollow-fibre membranes.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: January 3, 2023
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Elmar Grausam, Ingo Fehr
  • Publication number: 20220410080
    Abstract: The invention relates to a method for manufacturing a hollow fiber membrane bundle from a plurality of polysulfone and PVP-based hollow fiber membranes which encompasses the providing of a spinning solution comprising a polysulfone-based material, in particular polysulfone, a vinylpyrrolidone-based polymer, in particular polyvinylpyrrolidone, an aprotic solvent, in particular dimethylacetamide, providing a coagulant liquid comprising water and an aprotic solvent, in particular dimethylacetamide, co-extruding the spinning solution and the coagulant liquid through a concentric annular spinneret into a hollow strand, whereby the cavity of the strand is filled with coagulant liquid, conducting the strand through a precipitation gap, introducing the strand into a precipitating bath comprised substantially of water so as to obtain a hollow fiber membrane, conducting the hollow fiber membranes through at least one rinsing bath and drying the hollow fiber membrane obtained, arranging the resulting hollow fiber membra
    Type: Application
    Filed: August 25, 2022
    Publication date: December 29, 2022
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Torsten KELLER, Michael PAUL, Roland SANDER
  • Publication number: 20220410074
    Abstract: A method is presented for checking the integrity of a hollow-fibre fluid filter, in particular a hollow-fibre dialyzer (1), which is constructed from a plurality of hollow fibres (15) enclosed by a membrane, with the steps of: perfusing the inside or outside of the hollow fibres (15) with a fluid, supplying the outside or inside of the hollow fibres (15) with a gas, wherein the gas has a higher pressure than the fluid, and determining a quantity of the gas which penetrates into the fluid through holes in the membrane. The method is characterized in that, after flowing through the hollow-fibre fluid filter (1), the fluid is channelled through a bubble trap (30), and in that a volume of gas (41) collecting in the bubble trap (30) during a predefined or predefinable reference period is determined. Furthermore, equipment for checking the integrity of a hollow-fibre fluid filter (1) is presented.
    Type: Application
    Filed: November 3, 2020
    Publication date: December 29, 2022
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Stefan PITSCH, Manuel WILHELM
  • Patent number: 11538150
    Abstract: The invention relates to a method of detecting symptoms of peritonitis, wherein the method comprises the following steps: taking a photo of a drainage solution and/or of a catheter exit site using a smartphone and/or inputting at least one query parameter which is input by a patient through the input zone of a smartphone; and, evaluating the photo and/or the query parameter.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: December 27, 2022
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Andreas Wuepper, Ulrich Moissl
  • Patent number: 11529450
    Abstract: The invention relates to a blood treatment device having an extracorporeal blood circuit which comprises an arterial line, a blood pump, a blood treatment unit and a venous line, wherein the arterial and venous lines can be connected to a blood vessel of a patient, and wherein the blood treatment device has an evaluation and control unit, wherein the evaluation and control unit is configured to carry out the following steps: (a1) determining the blood recirculation in a blood vessel of the patient connected to the extracorporeal blood circuit; and (b) calculating the blood flow in the blood vessel using the blood recirculation determined in accordance with (a1) and using a provided value or a value likewise previously determined for the cardiac output of the patient.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: December 20, 2022
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Andreas Maierhofer, Wei Zhang
  • Patent number: 11529446
    Abstract: The invention relates to an extracorporeal blood treatment device comprising a hydraulic system II comprising a plurality of flow paths, the blood treatment device having a control unit 40 which provides an operating mode for disinfecting the hydraulic system with a liquid which can be supplied via one of the flow paths. Moreover, the invention relates to a method for operating an extracorporeal blood treatment device with a hydraulic system comprising a plurality of flow paths. The blood treatment device according to the invention is characterized in that the hydraulic system II has a valve device 23 which provides several switching positions. The valve device 23 has an inlet 25A for the liquid for disinfecting the hydraulic system and a plurality of outlets 26A, 27A, 28A, wherein in a switching position the inlet 25A is connected to one of the outlets 26A, 27A, 28A and in another switching position the inlet is connected to a plurality of outlets 26A, 27A, 28A.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: December 20, 2022
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventor: Tobias Irrgang
  • Publication number: 20220387683
    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: Application
    Filed: November 10, 2020
    Publication date: December 8, 2022
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Tobias IRRGANG, Benedict GLASER, Peter KLÖFFEL
  • Publication number: 20220387681
    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: Application
    Filed: June 15, 2022
    Publication date: December 8, 2022
    Applicant: Fresenius Medical Care Deutschland GmbH
    Inventors: Paul CHAMNEY, Peter WABEL, Klaus WOLF
  • Patent number: 11517652
    Abstract: This disclosure relates to a medical device including a hard part and a converter. The hard part has fluid paths for conducting a medical fluid through the hard part. The converter is arranged to measure a characteristic of the medical fluid while the medical fluid is present in one of the fluid paths. At least a section of the converter is applied or superimposed to the hard part by at least one additive application method.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: December 6, 2022
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventors: Alexander Heide, Dejan Nikolic
  • Patent number: 11510616
    Abstract: The invention relates to a detection apparatus and a method for detecting and manipulating a blood vessel under the skin of part of the body of a patient, which comprises a treatment chamber for accommodating the body part, a data processing control device, a vascular structure measuring device for detecting the position and/or dimensions of vascular structure data of the blood vessel in the treatment chamber by measurement, a vascular manipulation device for changing the position and/or dimension of the blood vessel, wherein the control device is designed to control the vascular manipulation device as a function of the vascular structure data.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: November 29, 2022
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Pascal Kopperschmidt, Pia Daniel, Reiner Spickermann, Otto Arkossy, Cacilia Scholz, Kai-Uwe Ritter, Elke Schulte, Christopher Hauke
  • Publication number: 20220370695
    Abstract: The invention relates to a system for carrying out dialysis treatment with a dialysis machine, a control unit and a sensor, the sensor being signal-connected to the control unit, and the control unit being designed to measure a patient's blood sugar level or interstitial glucose value during dialysis treatment using the sensor, to record a curve over time of the blood sugar level or interstitial glucose values on the basis of the measured values, and to adapt one or more treatment parameters of the dialysis machine automatically taking the curve into account, or to output an instruction for adaptation of a treatment parameter by a user or for another action by a user.
    Type: Application
    Filed: October 23, 2020
    Publication date: November 24, 2022
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventor: Peter WABEL
  • Publication number: 20220369471
    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: Application
    Filed: October 9, 2020
    Publication date: November 17, 2022
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Dejan NIKOLIC, Alexander HEIDE, Daniel JURIC, Andre BUELAU, Juergen KECK, Jonathan SEYBOLD, Karl-Peter FRITZ, Kerstin GLAESER
  • Patent number: 11497839
    Abstract: The present disclosure relates to a contact protection apparatus for covering connection point(s) of a medical fluid-conducting cassette used for a medical treatment. The contact protection apparatus includes at least one covering section for covering the connection point before the use of the cassette, and at least one connection section for detachably connecting the contact protection apparatus or for holding the contact protection apparatus on the cassette. It further relates to a medical fluid-conducting cassette with a contact protection apparatus.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: November 15, 2022
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventor: Martin Lauer
  • Publication number: 20220355007
    Abstract: The present invention refers to a system and method for connecting a concentrate container with a blood treatment device with improved hygiene. Furthermore, the invention refers to a container and blood treatment device to be used in a method according to the present invention.
    Type: Application
    Filed: September 10, 2020
    Publication date: November 10, 2022
    Applicant: Fresenius Medical Care Deutschland GmbH
    Inventors: Winfried BREHM, Philippe LAFFAY, Gerhard WIESEN