Patents by Inventor Kai-Uwe Ritter

Kai-Uwe Ritter 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).

  • Patent number: 10973972
    Abstract: An extracorporeal blood treatment machine for carrying out a blood treatment including a machine front on which a hollow fiber filter module is arranged in a horizontal position, which hollow fiber filter module includes a cylindrical housing, a blood chamber having a blood inlet nozzle and a blood outlet nozzle and a solution chamber having a solution inlet nozzle extending transversely to the longitudinal direction of the hollow fiber filter module and a solution outlet nozzle extending transversely to the longitudinal direction of the hollow fiber filter module, the solution chamber being semi-permeably communicated at least in portions with the blood chamber, wherein a height potential is present in the horizontal position between the solution inlet nozzle and the solution outlet nozzle so that drainage of solution is enabled via one of the solution nozzles and evacuation of air bubbles is enabled via an other of the solution nozzles.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: April 13, 2021
    Assignee: B. BRAUN AVITUM AG
    Inventor: Kai-Uwe Ritter
  • Patent number: 10946132
    Abstract: An access cannula which includes a dwell tube that serves as an access during treatment. A blocking device that maintains the dwell tube kinked in an idle position. In the idle position, the dwell tube is maintained kinked, preferably at a predetermined kink point that corresponds to a position in which a force exerted by the blocking device upon the dwell tube, the elastic reset force of the dwell tube and, where appropriate, a pressure prevailing in the dwell tube, balance one another.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: March 16, 2021
    Assignee: B. BRAUN AVITUM AG
    Inventor: Kai-Uwe Ritter
  • Patent number: 10888647
    Abstract: A device for extracorporeal blood treatment, in particular a dialysis device, including an internal fluidic system for a treatment liquid, in particular for a dialysis liquid, the internal fluidic system having at least two liquid connectors for connecting a substantially cylindrical filter element, in particular a dialyzer, to the internal fluidic system for passing a treatment liquid through the filter element, and including a mounting for exchangeably holding the filter element in such a way that the filter element can be connected to the liquid connectors of the internal fluidic system and to an extracorporeal blood line in an intended manner, wherein the mounting for holding the filter element is designed in such a way that a cylinder longitudinal axis of the filter element is substantially horizontally aligned.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: January 12, 2021
    Assignee: B. BRAUN AVITUM AG
    Inventor: Kai-Uwe Ritter
  • Publication number: 20200338309
    Abstract: The invention relates to a system (100) for data-dependent automated cannulation of patient blood vessels, in particular for hemodialysis, comprising: at least one cannulation robot (1) configured for automated cannulating of patient blood vessels, a control system (50, 51) comprising at least one data processing device and which is configured to implement a control procedure which controls the at least one cannulation robot subject to program parameters, at least one user interface device (80), enabling user input by means of which a patient is registered in the control system (50, 51), whereby in consequence of this control system registration procedure, an individually assigned patient identifier, which is referred to as the registered patient identifier, is used for the registered patient, and wherein the control system is configured to define the program parameters as a function of the registered patient identifier and control the at least one cannulation robot (1) as a function of the registered patient
    Type: Application
    Filed: January 29, 2018
    Publication date: October 29, 2020
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Pascal KOPPERSCHMIDT, Pia DANIEL, Reiner SPICKERMANN, Otto ARKOSSY, Cacilia SCHOLZ, Kai-Uwe RITTER, Elke SCHULTE, Christopher HAUKE
  • Patent number: 10773007
    Abstract: An extracorporeal blood treatment machine, preferably a dialysis machine, including a fluid circuit, preferably a dialysis fluid circuit, and a disinfectant supply line including an SOS generator integrated in the blood treatment machine which can be selectively connected to the fluid circuit by the disinfectant supply line and is adapted to provide a super-oxidized solution or SOS for disinfection of the fluid circuit from dialysis concentrate and osmotic water, and a method for disinfection of an extracorporeal blood treatment machine.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: September 15, 2020
    Assignee: B. Braun Avitum AG
    Inventor: Kai-Uwe Ritter
  • Patent number: 10716883
    Abstract: An apparatus and a method for preparing dialysis fluid for use in extracorporeal blood treatment, wherein the apparatus includes a main line for the supply of water in the course of which each of an acid fluid and a basic fluid is fed at a particular dosage, wherein the dosage is set by a control and regulating unit as a function of at least one chemical and/or physical parameter of the water-fluid mixture and the parameter is detected by a measuring instrument wherein a first measuring instrument is arranged at a section of the main line located downstream of each of the feeding point for the acid fluid and the feeding point for the basic fluid and the control and regulating unit at least temporarily controls the feeding of the acid and basic fluids such that over a predetermined period of time or a predetermined interval only one from among the acid and basic fluids is fed into the main line.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: July 21, 2020
    Assignee: B. BRAUN AVITUM AG
    Inventors: Waldemar Janik, Kai-Uwe Ritter
  • Patent number: 10688237
    Abstract: Apparatus that detect an interruption of the connection between a blood treatment apparatus and a patient blood circulation which can be connected to the blood treatment apparatus via a connection means is described. The connection means can be attached to a fluid line. The apparatus includes a line shut-off and a pressure sensor which is configured to measure the fluid pressure prevailing in the fluid line at a position located between the line shut-off and the connection means. A control and evaluation unit is configured to evaluate the pressure or pressure curve occurring after blocking the line so as to detect an interruption or disturbance of the connection between the connection means and the patient blood circulation.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: June 23, 2020
    Assignee: B. BRAUN AVITUM AG
    Inventors: Henrik Wolff, Kai-Uwe Ritter
  • Patent number: 10625012
    Abstract: An air separator of an extracorporeal blood treatment machine is disclosed in which a flow conducting element is arranged directly downstream of a fluid inlet of an air separator opening into an air separating chamber, the fluid inlet forcing the inflowing fluid into a flow direction at least along/tangential to the chamber periphery.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: April 21, 2020
    Assignee: B. Braun Avitum AG
    Inventor: Kai-Uwe Ritter
  • Publication number: 20190381302
    Abstract: The invention relates to an apparatus (100) for producing and/or disengaging a fluid flow-capable medical threaded connection of a first connecting element (1) and a second connecting element (6), in particular for producing and/or disengaging a Luer lock connection, wherein the apparatus (100) comprises a first receiving device (20) for receiving the first connecting element (1) and a second receiving device (30) for receiving the second connecting element (6), wherein the first receiving device (20) and the second receiving device (30) are rotatable relative to each other about a common screwing axis (V) and displaceable relative to each other along said screwing axis (V), wherein the apparatus (100) is designed to relatively move the first receiving device (20) and the second receiving device (30) toward each other such that such that the first connecting element (1) and the second connecting element (6) are screwed together or the threaded connection disengaged, and wherein the associated connecting eleme
    Type: Application
    Filed: January 29, 2018
    Publication date: December 19, 2019
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Otto ARKOSSY, Pia DANIEL, Christopher HAUKE, Pascal KOPPERSCHMIDT, Kai-Uwe RITTER, Cacilia SCHOLZ, Elke SCHULTE, Reiner SPICKERMANN
  • Publication number: 20190380645
    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: Application
    Filed: January 29, 2018
    Publication date: December 19, 2019
    Applicant: 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: 20190374668
    Abstract: The invention relates to a method and an automatic disinfection machine for the controlled disinfection of the skin of a patient comprising a treatment chamber for accommodating the body part with the skin to be disinfected; an electrically controllable disinfecting device for disinfecting the skin, a recording device for recording the disinfection of the skin in the form of disinfection data, a data processing control device for controlling the disinfecting device and the recording device. The control device is thereby designed to effect the disinfection of the skin by controlling the disinfecting device, record the disinfection of a skin section of the skin in the form of disinfection data by controlling the recording device.
    Type: Application
    Filed: January 29, 2018
    Publication date: December 12, 2019
    Applicant: 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: 20190374700
    Abstract: The invention relates to a cannulation robot for the automated affixing of a cannula to a patient. The cannulation robot comprises a fixing apparatus for affixing the cannula to the patient by means of an adhesive carrier. The cannulation robot comprises a positioning device designed to position a cannula holder of the cannula to an area of the patient's skin. The cannulation robot comprises an actuator device for a guide means, wherein the guide means is designed to guide the adhesive carrier to said skin area. The actuator device is designed to activate the guide means and thereby move the adhesive carrier by means of the guide means toward the skin area, wherein the adhesive carrier contacts the skin area as a result of the movement and adheres to same as well as is disposed such that it is connected to the cannula at least after being adhered.
    Type: Application
    Filed: January 29, 2018
    Publication date: December 12, 2019
    Applicant: 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: 20190336705
    Abstract: The invention relates to a gripper apparatus for a cannulation robot and for gripping a cannula having a cannula holder. The gripper apparatus comprises two gripper elements and a moving device. The two gripper elements can be moved relative to each other and work in concert to grip the cannula holder. The moving device is designed to move the two gripper elements relative to each other and at least one of the gripper elements relative to the cannula holder. The gripper apparatus can thereby be brought into a gripping state, in which at least one of the gripper elements is engaged with the cannula holder, by means of the moving device.
    Type: Application
    Filed: January 29, 2018
    Publication date: November 7, 2019
    Applicant: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
    Inventors: Pascal KOPPERSCHMIDT, Pia DANIEL, Reiner SPICKERMANN, Otto ARKOSSY, Cacilia SCHOLZ, Kai-Uwe RITTER, Elke SCHULTE, Christopher HAUKE
  • Patent number: 10449287
    Abstract: A concentrate container for an extracorporeal blood treatment machine with a fluid inlet at a first end of the concentrate container and a fluid outlet at a second end of the concentrate container as well as at least one connector to hold a coupling fitting of a fluid conduit, wherein at least one connector is concave in shape and is positioned inside the container. A system for use with this concentrate container, in which the coupling fittings are convex in shape. A connection piece provides for disinfection of the system.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: October 22, 2019
    Assignee: B. Braun Avitum AG
    Inventor: Kai-Uwe Ritter
  • Publication number: 20190307944
    Abstract: An access cannula includes a dwell tube that serves as an access during treatment. A blocking device maintains the dwell tube kinked in an idle position.
    Type: Application
    Filed: April 1, 2019
    Publication date: October 10, 2019
    Inventor: KAI-UWE RITTER
  • Publication number: 20190209767
    Abstract: An extracorporeal blood treatment machine for carrying out a blood treatment including a machine front on which a hollow fiber filter module is arranged in a horizontal position, which hollow fiber filter module includes a cylindrical housing, a blood chamber having a blood inlet nozzle and a blood outlet nozzle and a solution chamber having a solution inlet nozzle extending transversely to the longitudinal direction of the hollow fiber filter module and a solution outlet nozzle extending transversely to the longitudinal direction of the hollow fiber filter module, the solution chamber being semi-permeably communicated at least in portions with the blood chamber, wherein a height potential is present in the horizontal position between the solution inlet nozzle and the solution outlet nozzle so that drainage of solution is enabled via one of the solution nozzles and evacuation of air bubbles is enabled via an other of the solution nozzles.
    Type: Application
    Filed: December 28, 2018
    Publication date: July 11, 2019
    Inventor: KAI-UWE RITTER
  • Publication number: 20190192756
    Abstract: An extracorporeal blood treatment machine, preferably a dialysis machine, including a fluid circuit, preferably a dialysis fluid circuit, and a disinfectant supply line including an SOS generator integrated in the blood treatment machine which can be selectively connected to the fluid circuit by the disinfectant supply line and is adapted to provide a super-oxidized solution or SOS for disinfection of the fluid circuit from dialysis concentrate and osmotic water, and a method for disinfection of an extracorporeal blood treatment machine.
    Type: Application
    Filed: November 30, 2018
    Publication date: June 27, 2019
    Inventor: KAI-UWE RITTER
  • Patent number: 10172986
    Abstract: A device for extracorporeal blood treatment, in particular a dialysis machine, including a peristaltic pump for conveying fluid from a low-pressure side to a high-pressure side, the peristaltic pump comprising a rotor which is rotatable around a rotor axis and a support area which is formed around the rotor axis in an arcuate manner, with an elastically deformable fluid line being able to be positioned between the rotor and the support area and being deformed between the rotor and the support area with rotation of the rotor while forming a cross-sectional constriction, so that upon rotation of the rotor with respect to the support area a fluid in the fluid line is conveyed from the low-pressure side to the high-pressure side. The device includes a machine housing part realized as a formed sheet metal part, wherein the support area is formed in the machine housing part by plastic deformation.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: January 8, 2019
    Assignee: B. BRAUN AVITUM AG
    Inventors: Oliver Schaefer, Kai-Uwe Ritter
  • Publication number: 20190001041
    Abstract: A device for extracorporeal blood treatment, in particular a dialysis device, including an internal fluidic system for a treatment liquid, in particular for a dialysis liquid, the internal fluidic system having at least two liquid connectors for connecting a substantially cylindrical filter element, in particular a dialyzer, to the internal fluidic system for passing a treatment liquid through the filter element, and including a mounting for exchangeably holding the filter element in such a way that the filter element can be connected to the liquid connectors of the internal fluidic system and to an extracorporeal blood line in an intended manner, wherein the mounting for holding the filter element is designed in such a way that a cylinder longitudinal axis of the filter element is substantially horizontally aligned.
    Type: Application
    Filed: June 28, 2018
    Publication date: January 3, 2019
    Inventor: KAI-UWE RITTER
  • Publication number: 20180311429
    Abstract: An apparatus and a method for preparing dialysis fluid for use in extracorporeal blood treatment, wherein the apparatus includes a main line for the supply of water in the course of which each of an acid fluid and a basic fluid is fed at a particular dosage, wherein the dosage is set by a control and regulating unit as a function of at least one chemical and/or physical parameter of the water-fluid mixture and the parameter is detected by a measuring instrument wherein a first measuring instrument is arranged at a section of the main line located downstream of each of the feeding point for the acid fluid and the feeding point for the basic fluid and the control and regulating unit at least temporarily controls the feeding of the acid and basic fluids such that over a predetermined period of time or a predetermined interval only one from among the acid and basic fluids is fed into the main line.
    Type: Application
    Filed: April 26, 2018
    Publication date: November 1, 2018
    Inventors: Waldemar Janik, Kai-Uwe Ritter