Patents Assigned to Fresenius Medical Care Deutschland GmbH
  • Patent number: 12268801
    Abstract: The present disclosure pertains to a media supply arrangement for supplying a medical treatment device with a medium, in particular for supplying an extracorporeal blood treatment device with a dialysis medium, wherein an air conditioning device for air conditioning of a medical treatment device coupled to the media supply arrangement is provided.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: April 8, 2025
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventors: Michael Wild, Andreas Leclerc, Carsten Russ
  • Patent number: 12260958
    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: November 29, 2023
    Date of Patent: March 25, 2025
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventors: Georg Brand, Daniel Hauck, Peter Kloeffel, Thomas Stahl
  • Patent number: 12251505
    Abstract: A dialysis device for performing a dialysis treatment can include a liquid conducting system, which comprises a first section and a second section. A differential pressure sensor can be included for measuring a differential pressure pdiffm between a first pressure (p1) in the first section of the liquid conducting system and a second pressure (p2) in the second section of the liquid conducting system. A monitoring unit is also provided, which is configured to determine an operating status based on the measured differential pressure pdiffm. A control device is also provided, which is configured to interrupt and/or block the dialysis treatment according to the determined operating status. A display device is also provided, which is configured to output a notification based on the determined operating status.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: March 18, 2025
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventors: Thomas Nürnberger, Stefan Kellermann
  • Patent number: 12233190
    Abstract: The present invention relates to an insert piece for a blood tubing set that includes a first connection site for connecting a first tubing portion of the blood tubing set to the insert piece; a second connection site for connecting a second tubing portion of the blood tubing set to the insert piece; a third connection site for connecting a third tubing portion of the blood tubing set to the insert piece; a first main line for conducting a first liquid through the insert piece; a second main line for conducting the first liquid through the insert piece; a secondary line for conducting a second liquid into at least one of the first main line, and the second main line; and a connection portion which connects both main lines to each other or to the second connection site.
    Type: Grant
    Filed: June 12, 2023
    Date of Patent: February 25, 2025
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventors: Davide Maria Benelli, Massimo Earl Fini, Reinhold Reiter
  • Publication number: 20250049999
    Abstract: The present invention relates to a medical device, in particular to a dialysis machine, having a hydraulic unit that has a pipe system that is produced by means of an additive production process and whose intermediate spaces are at least partially filled by a matrix. The invention further relates to an associated method.
    Type: Application
    Filed: December 19, 2022
    Publication date: February 13, 2025
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Winfried BREHM, Matthias FEHLER, Florian WOHLFEIL, Benedict GLASER
  • Publication number: 20250049997
    Abstract: The invention relates to a device (1) for a medical treatment apparatus for measuring the flow of liquids in a lumen(S) to be inserted, having a receptacle (D) and a first ultrasonic transducer (US1), wherein the receptacle (D) in the device (1) has a first guide side (A) and a second guide side (P), so that an inserted lumen(S) has approximately a trapezoidal course in lateral projection, wherein the first ultrasonic transducer (US1) is arranged at a first trapezoid corner, and wherein the first ultrasonic transducer (US1) in operation is designed to perform a measurement in or against the direction of flow in the lumen(S), respectively. The invention furthermore also relates to an ensemble with a corresponding device and a lumen.
    Type: Application
    Filed: December 16, 2022
    Publication date: February 13, 2025
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Tobias STOCKERL, Martin URBAN, Arne PETERS
  • Patent number: 12220516
    Abstract: The present invention relates to an apparatus for sample taking from a fluid-conducting system, wherein the apparatus has at least one adapter which comprises at least one septum and at least one cannula displaceable relative to the septum, wherein the cannula is displaceable such that it penetrates the septum in a sample taking position and does not penetrate the septum in a flushing position; and wherein the adapter has at least one flushing region for a flushing medium which is arranged such that it is in fluid communication with the inner space of the cannula in the flushing position of the cannula; and wherein the apparatus has at least one receiving region having locking means for the fluid-conducting system by which the fluid-conducting system is fixable in a defined position relative to the adapter. The present invention furthermore relates to a blood treatment device and to a method for taking a sample from a fluid-conducting system.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: February 11, 2025
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventor: Juergen Haecker
  • Publication number: 20250041495
    Abstract: A hydraulic system and method are provided for breaking-up, dislodging, removing, and preventing the build-up of biofilm in a dialysate pathway of an extracorporeal blood treatment device. The dialysate pathway can include a dialyzer discharge line, a drain line, a dialyzer feed line, and a bypass system. At least one ultrasonic device can be positioned and configured to generate ultrasonic waves in the dialysate pathway and to propagate the ultrasonic waves along at least a portion of the dialysate pathway. The ultrasonic waves can be used to break-up biofilm. An ionizing electrode pair can also, or instead, be implemented to break-up, dislodge, remove, and prevent a build-up of biofilm. The system and method can particularly be implemented and useful in non-disposable portions of a hydraulic system of an extracorporeal blood treatment device.
    Type: Application
    Filed: July 10, 2024
    Publication date: February 6, 2025
    Applicants: Fresenius Medical Care Holdings, Inc., Fresenius Medical Care Deutschland GmbH
    Inventors: David Yuds, Martin Crnkovich, Christian Schlaeper
  • Publication number: 20250041500
    Abstract: The invention relates to a flushing connection 2 for a medical treatment device, in particular an extracorporeal blood treatment device, for connecting a connector 14 of a fluid system 15 to be flushed, in particular an extracorporeal blood tubing system, for draining flushing liquid from the fluid system 15 to the medical treatment device. The inventive flushing connection 2 has a housing body 9 comprising a cavity 11 open on a front housing part 9A of the housing body 9 for receiving a flushing liquid, the housing body 9 having a connection part 13 at the front opening 12 embodied for connecting the connector 14 of the fluid system 15 to be flushed or a closure part 13 for liquid-tight closing of the opening 12 of the cavity 11, wherein the housing body 9 has a discharge connection piece 5 for connecting a discharge line 7 of the fluid system 1 of the medical treatment device, which is in fluid connection with the cavity 11.
    Type: Application
    Filed: December 6, 2022
    Publication date: February 6, 2025
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventor: Peter KLOFFEL
  • Patent number: 12214112
    Abstract: The present invention relates to a method for checking the conveying accuracy of conveying devices of a blood treatment apparatus. It further relates to a blood treatment apparatus with a control device and/or closed-loop control device, through which the method is effected, a digital storage medium, a computer program product, and a computer program.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: February 4, 2025
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventor: Joachim Noack
  • Publication number: 20250032991
    Abstract: The invention relates to a hollow fiber membrane filter comprising a plurality of hollow fiber membranes and at least two support rings, wherein the hollow fiber membranes are each enclosed by a respective support ring in a respective end portion of the hollow fiber membrane filter and are cast in a potting mass, wherein the respective support rings have a circumferential projection arranged at the upper edge which projects beyond the outer side of the circumferential side wall of a respective support ring, and wherein the circumferential projection rests on the respective terminal edges of the first and second end portions of the cylindrical housing of the hollow fiber membrane filter.
    Type: Application
    Filed: December 16, 2022
    Publication date: January 30, 2025
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Michael AMES, Dietmar HANSEL
  • Patent number: 12208186
    Abstract: The present invention pertains to an extracorporeal blood treatment device (1), preferably a hemodialysis device, hemofiltration device, or hemodiafiltration device, comprising a fluidic system (2) having a connection point (20) for adding substances, a detection arrangement (4) for detecting a flow of a substance at the connection point (20), wherein the detection arrangement is configured to generate a flow signal, when a flow of a substance is detected at the connection point (20), and a control unit (5), which is communicatively connected to the detection arrangement (4). The control unit (5) is furthermore configured to output a signal (50) in reaction to a received flow signal. The present invention furthermore pertains to a corresponding method for monitoring at least one connection point.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: January 28, 2025
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventor: Lars Offermanns
  • Patent number: 12208187
    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: November 20, 2023
    Date of Patent: January 28, 2025
    Assignees: Fresenius Medical Care Deutschland GmbH, Fresenius Medical Care Holdings, Inc.
    Inventors: Martin Joseph Crnkovich, Colin Weaver, Christian Schlaeper
  • Publication number: 20250010054
    Abstract: The invention relates to a closure cap for closing two different fluid ports of a dialyzer, the closure cap having a first receiving portion for receiving a first fluid port and a second receiving portion for receiving a second fluid port of a dialyzer. Further, the invention relates to a dialyzer wherein two first fluid ports for blood are each closed with the first receiving portion of a closure cap or at least one second fluid port for dialysate or filtrate is closed with the second receiving portion of a closure cap. Furthermore, the invention relates to a closure cap holder for receiving a closure cap according to the invention via the first or the second receiving portion.
    Type: Application
    Filed: November 28, 2022
    Publication date: January 9, 2025
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Sufian HASAN, Lukas UTZIG
  • Patent number: 12186471
    Abstract: The present disclosure relates to a medical device with respectively at least one hard part with fluid paths for guiding a medical fluid, for example, blood, through the hard part. The medical device also includes a converter and a device for determining a characteristic of the device. The converter is arranged to measure the characteristic of the fluid, while the fluid is present in one of the fluid paths. The characteristic may be geometric characteristic, for example, a fluid path.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: January 7, 2025
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventors: Alexander Heide, Dejan Nikolic
  • Patent number: 12186463
    Abstract: The present invention refers to a container comprising a connection portion allowing for an easy, efficient and more hygienic connection of the container to a fluid dosing unit of a blood treatment device. According to the present invention the fluid dosing unit comprises a valve that fluidically closes the fluid dosing unit if no container is connected to the fluid dosing unit and that opens the fluid dosing unit upon connection of a container to the fluid dosing unit. Thus, undesired spillages potentially arising upon disconnection of the container from the fluid dosing unit can be avoided.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: January 7, 2025
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Winfried Brehm, Philippe Laffay, Gerhard Wiesen
  • Patent number: 12191028
    Abstract: The disclosure relates to a safeguarding module, a method, and a system for safeguarding an apparatus in the medical environment against an unauthorised operation of the apparatus, wherein the authorisation is dependent upon a linking event between two linking partners within the framework of an operation of the apparatus, wherein the apparatuses are connected via a network, and wherein one of the linking partners is an item which is used during the operation of the apparatus. The system comprises a plurality of apparatuses, wherein in each case an apparatus comprises a safeguarding module, comprising: a read-in interface for reading-in a first identifier and a second identifier; a processing unit which is designed to perform the safeguarding method; a memory for storing the calculated documentation value in a distributed ledger structure; and an interface to the network, via which the apparatuses exchange data.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: January 7, 2025
    Assignees: Fresenius Medical Care Deutschland GmbH, Fresenius Medical Care AG & Co. KGaA
    Inventors: Jonas Hellhund, Robert Lindemann, Arne Peters, Gerome Fischer
  • Publication number: 20250001061
    Abstract: The invention relates to a medical treatment device with a housing, with a connection unit for producing a fluidic connection between the hydraulics of the treatment device and a connector connected to a disposable that conducts fluid during use. This connection is used to convey dialysate into the extracorporeal blood circuit. The connection unit and the connector are designed such that particularly hygienic conditions exist upon connection and disconnection of the disposable.
    Type: Application
    Filed: November 8, 2022
    Publication date: January 2, 2025
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Jurgen HACKER, Oliver BOND, Markus KOHLER
  • Patent number: 12181330
    Abstract: A method and an apparatus are provided for the automatic, weight-dependent filling of a hose system, in particular for a gravimetric cycler for peritoneal dialysis, having only one scale. The hose system includes at least three line sections for connection to at least one drainage bag, to at least one solution bag and to a patient. The method includes opening at least one bag valve and at least drainage: valve, and deriving a first opening duration of the valves from a weight of the solution bag measured by means of the scale and from at least one characteristic.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: December 31, 2024
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Manuel Hassler, Klaus Wolf, Peter Wabel
  • Patent number: 12178947
    Abstract: The present invention relates to an apparatus for providing a dialysis solution and preferably a peritoneal dialysis solution comprising a reception container that can accommodate a solution volume that is intended for at least two treatments, wherein the apparatus has a plurality of extraction ports for extracting the dialysis solution from the reception container.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: December 31, 2024
    Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Peter Wabel, Robert Berlich, Marcus Breuninger, Birgit Staude, Matthias Rau, Klaus Wolf