Patents by Inventor Bernd Krause
Bernd Krause 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: 12280338Abstract: The present invention relates to a continuous process for preparing permselective hollow fiber membranes being suitable e.g. for hemodialysis, hemodiafiltration and hemofiltration of blood which comprises a two-stage drying and tempering treatment of the hollow fiber membranes. According to a further aspect, the invention relates to a continuous process for drying permselective hollow fiber membranes on-line. The invention also relates to devices for on-line drying of permselective hollow fiber membranes.Type: GrantFiled: September 24, 2021Date of Patent: April 22, 2025Assignee: GAMBRO LUNDIA ABInventors: Ulrich Bauer, Reinhold Buck, Juergen Graf, Helmut Hildwein, Bernd Krause, Markus Storr, Arnd Wochner
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Publication number: 20250018100Abstract: A peritoneal dialysis (“PD”) system (10) includes a PD machine (20); a patient line (50) extending from the PD machine (20); and a filter set (100) in fluid communication with the patient line (50), the filter set (100) including a filter membrane (120, such as a sterilizing grade or a bacteria reduction filter membrane) positioned and arranged such that fresh PD fluid flows through the filter membrane (120) into a filtered fluid compartment (106f), wherein the filtered fluid compartment (106f) includes an outlet (106t) to a port (106p), and wherein the port (106p) is in fluid communication with a used PD fluid tube (106u) positioned and arranged to carry used PD fluid past the filter membrane (120) without contacting the filter membrane (120). A method for priming filter set (100) is also disclosed.Type: ApplicationFiled: November 18, 2022Publication date: January 16, 2025Inventors: Steffen WAGNER, Ralf FLIEG, Reinhold BUCK, Christof BECK, Rainer BLICKLE, Bernd KRAUSE, Torsten KNOER
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Publication number: 20250018101Abstract: A peritoneal dialysis (“PD”) system (10) includes a PD machine (20); a patient line (50) extending from the PD machine (20); and a filter set (100) in fluid communication with the patient line (50), the filter set (100) including a filter membrane (120, e.g., a sterilizing grade filter membrane or a bacteria reduction filter membrane) positioned and arranged such that fresh PD fluid flows through the filter membrane (120) into a filtered fluid compartment (106f), wherein the filtered fluid compartment (106f) includes an outlet (1060) to a port (106p), and wherein the port (106p) is in fluid communication with a circumferential used PD fluid channel (106c) positioned and arranged to carry used PD fluid around the filter membrane (120) without contacting the filter membrane (120). A method for priming filter set (100) is also disclosed.Type: ApplicationFiled: November 21, 2022Publication date: January 16, 2025Inventors: Steffen WAGNER, Ralf FLIEG, Philipp KÜHN, Christof BECK, Rainer BLICKLE, Bernd KRAUSE
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Publication number: 20250009947Abstract: A peritoneal dialysis (“PD”) system (10) includes a PD machine (20); a patient line (50) extending from the PD machine (20); and a filter set (100) including a filter housing (102) having an upper housing plate (102u) and a lower housing plate (102l), and a filter membrane (112, such as a sterilizing grade or a bacteria reduction filter membrane) located between the upper housing plate (102u) and the lower housing plate (102l), the filter set (100) further including a lumen-side connector (104) configured to connect to the patient line (50), the lumen-side connector (104) connected to the filter housing (102) via at least one of a fresh PD fluid tube (106a) or a used PD fluid tube (106b). A method for manufacturing the filter set (100) is also disclosed.Type: ApplicationFiled: November 18, 2022Publication date: January 9, 2025Inventors: Steffen WAGNER, Ralf FLIEG, Reinhold BUCK, Christof BECK, Rainer BLICKLE, Bernd KRAUSE, Torsten KNOER
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Publication number: 20250009950Abstract: A peritoneal dialysis (“PD”) system (10) includes a PD machine (20); a patient line (50) extending from the PD machine (20); and a filter set (100) including a filter housing (102) having a tubular filter membrane (120, such as a sterilizing grade or bacteria reduction filter membrane) positioned and arranged to filter fresh PD fluid flowing radially across the tubular filter membrane (120), and a transfer set-side port (106p) positioned and arranged to receive (i) filtered fresh PD fluid during a patient fill and (ii) used PD fluid during a patient drain.Type: ApplicationFiled: November 18, 2022Publication date: January 9, 2025Inventors: Steffen WAGNER, Ralf FLIEG, Reinhold BUCK, Christof BECK, Rainer BLICKLE, Bernd KRAUSE, Torsten KNOER
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Publication number: 20250009949Abstract: A peritoneal dialysis (“PD”) system (10) includes a PD machine (20); a patient line (50) (which may be a dual lumen patient line) extending from the PD machine (20); a filter set (100) in fluid communication with the patient line (50), the filter set (100) including a plurality of hollow fiber membranes (120, e.g., sterilizing grade or bacteria reduction hollow fiber membranes) positioned and arranged such that fresh PD fluid flows through porous walls of the hollow fiber membranes (120) prior to exiting the filter set (100).Type: ApplicationFiled: November 18, 2022Publication date: January 9, 2025Inventors: Steffen WAGNER, Ralf FLIEG, Reinhold BUCK, Christof BECK, Rainer BLICKLE, Bernd KRAUSE, Torsten KNOER
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Publication number: 20250001060Abstract: A peritoneal dialysis (“PD”) system (10) includes a PD machine (20); a patient line (50) extending from the PD machine (20); and a filter set (100) in fluid communication with the patient line (50), the filter set (100) including at least one filter membrane (120a, 120b, such as a bacteria reduction or sterilizing grade filter membrane) positioned and arranged such that fresh PD fluid flows through the at least one filter membrane (120a, 120b) prior to exiting the filter set (100), the filter set (100) further including a used PD fluid tube (106u) positioned and arranged to carry used PD fluid past the at least one filter membrane (120a, 120b) without contacting the at least one filter membrane (120a, 120b). A method for priming filter set (100) is also disclosed.Type: ApplicationFiled: November 18, 2022Publication date: January 2, 2025Inventors: Serhan ACIKGOZ, Christof BECK, Rainer BLICKLE, Reinhold BUCK, Bjorn ERICSON, Oskar Erik Frode STYRBJORN FALLMAN, Ralf FLIEG, Torsten KNOER, Bernd KRAUSE, John Sterling NORMAN, Michael Patrick MORRISSEY, Steffen WAGNER
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Publication number: 20250001059Abstract: A peritoneal dialysis (“PD”) system (10) includes a PD machine (20); a patient line (50) extending from the PD machine (20); a filter set (100) in fluid communication with the patient line (50), the filter set (100) including an air diverting net (112) configured to divert air from PD fluid flowing through the filter set (100); and an air return line (58) positioned to return PD fluid containing air back to the PD machine (20).Type: ApplicationFiled: November 18, 2022Publication date: January 2, 2025Inventors: Steffen WAGNER, Ralf FLIEG, Reinhold BUCK, Christof BECK, Rainer BLICKLE, Bernd KRAUSE, Torsten KNOER
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Patent number: 12178409Abstract: A method for producing a laryngoscope blade and a laryngoscope blade including a base blade and a tube which is arranged at least in part on an outer face of the base blade, extends approximately in a longitudinal direction of the base blade and is firmly connected to the base blade, wherein the tube, at its side facing toward the base blade, has at least in part a longitudinally extending corrugation which, with the outer face of the base blade, forms a longitudinally extending cavity, wherein the tube is connected to the base blade by a respective soldering seam in the lateral edge regions of the corrugation.Type: GrantFiled: June 17, 2021Date of Patent: December 31, 2024Assignee: KARL STORZ SE & CO. KGInventor: Bernd Krause
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Publication number: 20240408555Abstract: Synthetic membranes for the removal, isolation, or purification of substances from a liquid. The membranes include at least one hydrophobic polymer and at least one hydrophilic polymer. 5-40 wt.-% of particles having an average particles size of between 0.1 and 15 ?m are entrapped. The membrane has a wall thickness of below 150 ?m. Methods for preparing the membranes in various geometries, and use of the membranes for the adsorption, isolation, and/or purification of substances from a liquid are explored.Type: ApplicationFiled: August 16, 2024Publication date: December 12, 2024Inventors: Ralf FLIEG, Markus STORR, Bernd KRAUSE, Markus HORNUNG, Karl Heinz KLOTZ
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Patent number: 12115356Abstract: The invention relates to a dispenser of a sealant for hemostasis comprising a container configured to receive a fibrinogen solution and an activation compartment being situated downstream of the container and comprising a functionalized support to which a coagulation factor, preferably thrombin, is immobilized, such that upon dispensing the fibrinogen solution it passes through the activation compartment, thereby generating and dispensing polymerizing fibrin as a sealant. The invention further relates to a support, exchangeable tip and a kit for the dispenser as well as to methods and uses of the dispenser or components thereof for dispensing a sealant to a desired site.Type: GrantFiled: March 6, 2020Date of Patent: October 15, 2024Assignee: GAMBRO LUNDIA ABInventors: Jan Swartjes, Stefanie Votteler, Markus Storr, Bernd Krause
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Patent number: 12090447Abstract: Synthetic membranes for the removal, isolation, or purification of substances from a liquid. The membranes include at least one hydrophobic polymer and at least one hydrophilic polymer. 5-40 wt.-% of particles having an average particles size of between 0.1 and 15 ?m are entrapped. The membrane has a wall thickness of below 150 ?m. Methods for preparing the membranes in various geometries, and use of the membranes for the adsorption, isolation, and/or purification of substances from a liquid are explored.Type: GrantFiled: March 31, 2021Date of Patent: September 17, 2024Assignee: GAMBRO LUNDIA ABInventors: Ralf Flieg, Markus Storr, Bernd Krause, Markus Hornung, Karl Heinz Klotz
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Patent number: 12059658Abstract: The present disclosure relates to semipermeable membranes which are suitable for blood purification, e.g. by hemodialysis, which have an increased ability to remove larger molecules while at the same time effectively retaining albumin. The membranes are characterized by a molecular retention onset (MWRO) of between 9.0 kD and 14.5 kD and a molecular weight cut-off (MWCO) of between 55 kD and 130 kD as determined by dextran sieving curves and can be prepared by industrially feasible processes excluding a treatment with salt before drying. The invention therefore also relates to a process for the production of the membranes and to their use in medical applications.Type: GrantFiled: May 4, 2023Date of Patent: August 13, 2024Assignee: GAMBRO LUNDIA ABInventors: Adriana Boschetti-De-Fierro, Manuel Voigt, Bernd Krause, Markus Hornung, Markus Storr, Heinrich Behr, Werner Beck, Carina Zweigart, Reinhold Buck, Philipp Herbst, Joachim Loercher, Arnd Wochner
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Patent number: 12059657Abstract: The present disclosure relates to a dialyzer comprising a bundle of semipermeable hollow fiber membranes which is suitable for blood purification, wherein the dialyzer has an increased ability to remove larger molecules while at the same time it is able to effectively remove small uremic toxins and efficiently retain albumin and larger proteins. The invention also relates to using said dialyzer in hemodialysis.Type: GrantFiled: May 4, 2023Date of Patent: August 13, 2024Assignee: GAMBRO LUNDIA ABInventors: Markus Hornung, Bernd Krause, Markus Storr, Philipp Herbst, Arnd Wochner, Adriana Boschetti-De-Fierro, Manuel Voigt, Carina Zweigart, Joachim Loercher, Reinhold Buck, Heinrich Behr, Werner Beck
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Patent number: 11974966Abstract: A medical product includes a bladder, a filtration device, and a sterile product concentrate. The bladder has a perimeter seal and defining a sterile chamber. The filtration device includes a stem and a filter membrane disposed in line with the stem. The stem extends through the perimeter seal and has an inlet end accessible from outside of the perimeter seal and an outlet end in fluid communication with the sterile chamber. The filter membrane can have a nominal pore size in a range of approximately 0.1 ?m to approximately 0.5 ?m, wherein the filter membrane is shaped as a hollow fiber with a wall and pores residing in the wall of the fiber. The sterile product concentrate is disposed in the sterile chamber and adapted to be reconstituted by the introduction of a pharmaceutical fluid into the chamber through the filtration device.Type: GrantFiled: July 12, 2018Date of Patent: May 7, 2024Assignees: BAXTER INTERNATIONAL INC., BAXTER HEALTHCARE SAInventors: David Filiberto Schuck, Karl Hans Cazzini, Yuanpang Samuel Ding, Ying-Cheng Lo, Grant Anthony Bomgaars, Thomas Edward Dudar, Mark Edward Pasmore, Bernd Krause, Michael Joseph Sadowski, Anastasios Hristakos, Joseph Vincent Ranalletta
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Publication number: 20240075433Abstract: The present disclosure relates to an anticoagulant-coated microporous hollow fiber membrane showing reduced thrombogenicity. The disclosure further relates to a method for producing the membrane and a filtration and/or diffusion device comprising the membrane.Type: ApplicationFiled: October 4, 2021Publication date: March 7, 2024Inventors: Matthias WESSLING, Michael ALDERS, Ilka ROSE, Michael KATHER, Ralf MENDA, Bernd KRAUSE, Markus STORR, Martin REMPFER, Vivian Stefan KURBEL
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Publication number: 20240050907Abstract: The present disclosure relates to semipermeable membranes which are suitable for blood purification, e.g. by hemodialysis, which have an increased ability to remove larger molecules while at the same time effectively retaining albumin. The membranes are characterized by a molecular retention onset (MWRO) of between 9.0 kD and 14.5 kD and a molecular weight cut-off (MWCO) of between 55 kD and 130 kD as determined by dextran sieving curves and can be prepared by industrially feasible processes excluding a treatment with salt before drying. The invention therefore also relates to a process for the production of the membranes and to their use in medical applications.Type: ApplicationFiled: May 4, 2023Publication date: February 15, 2024Inventors: Adriana BOSCHETTI-DE-FIERRO, Manuel VOIGT, Bernd KRAUSE, Markus HORNUNG, Markus STORR, Heinrich BEHR, Werner BECK, Carina ZWEIGART, Reinhold BUCK, Philipp HERBST, Joachim LOERCHER, Arnd WOCHNER
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Patent number: 11833108Abstract: A sterile solution product bag for lyophilizing includes a bladder, a first stem having a first stem inlet end and a first stem outlet end. The first stem outlet end is fluidly connected to the bladder and the first stem inlet end is adapted to receive a liquid. A first filter is disposed in-line with the first stem and includes a first filter membrane, a first filter open end, and a first filter closed end. The first filter closed end is disposed between the first stem inlet end and the first stem outlet end and the first filter open end is disposed in proximity to the first stem inlet end. A second stem having a second stem inlet end fluidly connected to the bladder and a second stem outlet end adapted to receive a vapor. A second filter is disposed within the second stem and includes a filter membrane.Type: GrantFiled: July 12, 2018Date of Patent: December 5, 2023Assignees: BAXTER INTERNATIONAL INC., BAXTER HEALTHCARE SAInventors: Mark Joseph Doty, Christine L. Rebbeck, Sydney Jean Cope, William Spencer Hurst, Grant Anthony Bomgaars, Yuanpang Samuel Ding, Thomas Edward Dudar, Ying-Cheng Lo, Mark Edward Pasmore, Michael Joseph Sadowski, Anastasios Hristakos, Joseph Vincent Ranalletta, Bernd Krause
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Patent number: 11759395Abstract: A system for reconstituting and sterilizing a concentrate includes a mixing container, a filtration device, and a product bag. The a mixing container has an inlet port and outlet port in fluid communication with a mixing chamber disposed between the inlet port and the outlet port. The mixing chamber is adapted to contain a product concentrate. The filtration device has an inlet and an outlet, the inlet of the filtration device coupled to the outlet port of the mixing container. The filtration device includes a filter membrane with a nominal pore size in a range of approximately 0.1 ?m to approximately 0.5 ?m. The product bag has an inlet port coupled to the outlet of the filtration device, and has a bladder defining an empty sterile chamber for receiving sterilized and reconstituted product resulting from mixing a diluent with a product concentrate in the mixing chamber to obtain a mixture then introduced through the filtration device to obtain the reconstituted and sterilized product.Type: GrantFiled: March 22, 2022Date of Patent: September 19, 2023Assignees: BAXTER INTERNATIONAL INC., BAXTER HEALTHCARE SAInventors: Yuanpang Samuel Ding, Ying-Cheng Lo, Jacob Daniel Rivett, Grant Anthony Bomgaars, Thomas Edward Dudar, Mark Edward Pasmore, Michael Joseph Sadowski, Anastasios Hristakos, Joseph Vincent Ranalletta, Bernd Krause
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Publication number: 20230271146Abstract: The present disclosure relates to a dialyzer comprising a bundle of semipermeable hollow fiber membranes which is suitable for blood purification, wherein the dialyzer has an increased ability to remove larger molecules while at the same time it is able to effectively remove small uremic toxins and efficiently retain albumin and larger proteins. The invention also relates to using said dialyzer in hemodialysis.Type: ApplicationFiled: May 4, 2023Publication date: August 31, 2023Inventors: Markus HORNUNG, Bernd KRAUSE, Markus STORR, Philipp HERBST, Arnd WOCHNER, Adriana BOSCHETTI-DE-FIERRO, Manuel VOIGT, Carina ZWEIGART, Joachim LOERCHER, Reinhold BUCK, Heinrich BEHR, Werner BECK