Abstract: A device including at least a memory, a processor and an e-ink display, wherein the processor is configured and set up to read out service information from the memory, generate a machine-readable code based on the service information, and transmit the machine-readable code to the e-ink display such that the e-ink display displays the machine-readable code which, when read using a terminal, causes the terminal to retrieve the service information. A method of operating a device having an e-ink display.

Abstract: A method for referencing a pressure or force sensor configured to measure pressure in a tube filled with fluid. The pressure or force sensor is located in an extracorporeal circuit and integrated into or inserted in a clamping device The method includes: (1) referencing a force or pressure reference signal which the pressure or force sensor outputs, with a force or pressure reference signal measured by a force or pressure reference sensor; and (2) using a dialysis fluid side force or pressure reference sensor in a dialysis fluid circuit configured to detect the pressure in the dialysis fluid circuit, for referencing a pressure sensor or force sensor in the extracorporeal circuit. A device uses a dialysis fluid side force or pressure reference sensor in the dialysis fluid circuit that detects pressure in the dialysis fluid circuit, for referencing at least one pressure or force sensor in the extracorporeal circuit.

Abstract: A device and method for calibrating a first pressure sensor. The method includes: a) recursive analysis and forecasting of at least one correction function for finding a correction signal for the correction of a drift signal with the aid of a corresponding pressure reference signal, which is measured by the first pressure reference sensor, at constant internal pressure and at constant internal tube temperature; b) first calibration of a force signal, measured by the first pressure sensor and corrected using the correction signal, with the pressure reference signal, which is measured by the first pressure reference sensor, prior to an active use of the tube; and c) second calibration of the force signal, measured by the first pressure sensor and corrected using the correction signal, with the pressure reference signal, which is measured by a second pressure reference sensor during an active use of the tube.

Abstract: An extracorporeal blood treatment machine includes a dialyzer and a sensor device downstream of the dialyzer on a dialysis fluid side. The machine is connected to a control and computing unit configured to qualitatively and quantitatively determine at least one preferably selected or selectable blood component in the used dialysis fluid. The control and computing unit is adapted to put the machine into a mode in which a dialysis fluid amount is confined within the dialyzer at least until the concentrations of the blood component on the dialysis fluid side and on the blood side of the dialyzer are in equilibrium, and thereupon to switch the machine into a mode in which the dialysis fluid flow is permitted to leave the dialyzer to feed the confined dialysis fluid amount as a dialysis fluid bolus to the sensor device for determining the blood component concentration contained in the bolus.

Abstract: A monitoring method for an extracorporeal blood treatment machine, a monitoring device of an extracorporeal blood treatment machine, and an extracorporeal blood treatment machine including a monitoring device. The monitoring device is configured to detect a signal representing a concentration of pollutants in a used dialysis liquid, to automatically evaluate a signal course with respect to at least one predetermined indicator for an existing recirculation, and to automatically initiate a recirculation measurement or automatically output a request for initiating a recirculation measurement to a user upon determination of the at least one indicator.

Abstract: A vascular access implant and system for connecting an intracorporeal blood circulation to an extracorporeal blood circulation includes an arterial fluid line for connection to a patient's artery and a venous fluid line for connection to a patient's vein. A controllable artery-vein-connection between the arterial fluid line and venous fluid line controls fluid flow between the arterial fluid line and venous fluid line. An arterial port is in fixed fluid connection with the arterial fluid line for coupling to and decoupling from a first hose of the extracorporeal blood circulation. A venous port is in fixed fluid connection with the venous fluid line for coupling to and decoupling from a second hose of the extracorporeal blood circulation.

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.

Abstract: A dialysis machine comprising internal fluidics, wherein the internal fluidics includes a dialysis fluid pump for pumping dialysis fluid from a dialysis fluid reservoir through a dialysis fluid feed line to a dialyzer and from the dialyzer through a dialysis fluid drain line to a waste reservoir, a substitution fluid pump for supplying dialysis fluid through a substitution fluid feed line as substitution fluid to an extracorporeal hose system including ports on the patient side and coupling means for connecting the extracorporeal hose system to the internal fluidics is disclosed.

Abstract: Apparatus and control methods for determining a distribution volume of at least one uremic substance in a dialysis patient are disclosed. The apparatus may include a dialyzer, an optional flow rate measuring system for detecting the flow rate of a dialysis fluid through the dialyzer, a dialysis fluid measuring system for detecting at least one dialysis fluid parameter that depends on the at least one substance in the dialysis fluid, and a computer for establishing a dialysis dose based on the dialysis fluid parameter and for establishing the distribution volume based on the dialysis dose taking a clearance factor and dialysis duration into account.

Abstract: A method and apparatus for the treatment of blood are disclosed allowing for the determination of an internal convection in a blood purification device e.g. in the form of a dialyzer. The internal convection in the purification device can be determined on the basis of pressure differences in the purification device. The blood purification may be, for instance, a hemodialysis or a hemodiafiltration. Pressure sensors serve for measuring the pressures of the blood at the input and/or output of the purification device as well as optionally for detecting the pressure of a cleaning fluid or dialysis fluid at the input and/or output of the purification device.

Abstract: A method for producing a hollow fiber pre-product for a dialysis membrane is disclosed. The dialysis membrane includes a distribution of the pore sizes which follows an exponential function such as an e-function. The inverse value of the exponential coefficient (K) is at least 30 nm2. The dialysis membrane includes at least 50 pores per ?m2 and the share of a free flow area at a surface of the dialysis membrane amounts to at least 2.5%.

Abstract: A method and a device for determining a recirculation during a dialysis on the basis of the response of the dialysis system to an alteration of a system-related operating value are described. Recirculation may be determined by establishing, at the side of the dialysis liquid, a reference parameter that represents the concentration of uremic toxins from the extracorporeal circulation, and calculating a target parameter for a system-related target operational value from the reference parameter, presetting the system-related target operational value and establishing an actual parameter related to the system-related target operational value, determining an actual comparative value from the actual parameter and the reference parameter related to the system-related target operational value and comparing the actual comparative value with a system-specific target comparative value related to the system-related target operational value, and converting the comparison result into a recirculation degree.

Abstract: The present invention relates to a method and a device for the measurement of pressure signals in a blood treatment system, whereby system changes can be identified and can be differentiated additionally reliably between system changes in blood flow direction and in transmembrane direction in order to enable a targeted action.

Abstract: The present invention relates to a method as well as a blood treatment unit for the implementation of this method for the best possible attainment of a predetermined substitution target during the ultrafiltration of blood. According to the invention, a method and a blood treatment unit for the implementation of the method is provided, wherein it is determined by detection of pressure measurement values in the blood treatment unit whether the calculated substitution target is achieved at the end of the dialysis session or not and in case of the result that the calculated substitution target cannot be achieved with the current dialysis parameters, an adjustment of the flow rate of blood, dialysate and/or substituate is performed in order to achieve the substitution target for a given treatment time in an optimal way or modify the treatment time for the given substitution target as little as possible.

Abstract: A dialysis machine comprising internal fluidics, wherein the internal fluidics includes a dialysis fluid pump for pumping dialysis fluid from a dialysis fluid reservoir through a dialysis fluid feed line to a dialyzer and from the dialyzer through a dialysis fluid drain line to a waste reservoir, a substitution fluid pump for supplying dialysis fluid through a substitution fluid feed line as substitution fluid to an extracorporeal hose system including ports on the patient side and coupling means for connecting the extracorporeal hose system to the internal fluidics is disclosed.

Abstract: A dialysis membrane and a hollow fiber as pre-product as well as a method for producing the hollow fiber are disclosed. The dialysis membrane includes a distribution of the pore sizes which follows an exponential function such as an e-function. The inverse value of the exponential coefficient (K) is at least 30 nm2. The dialysis membrane includes at least 50 pores per ?m2 and the share of a free flow area at a surface of the dialysis membrane amounts to at least 2.5%.

Abstract: Apparatus and control methods for determining a distribution volume of at least one uremic substance in a dialysis patient are disclosed. The apparatus may include a dialyzer, an optional flow rate measuring system for detecting the flow rate of a dialysis fluid through the dialyzer, a dialysis fluid measuring system for detecting at least one dialysis fluid parameter that depends on the at least one substance in the dialysis fluid, and a computer for establishing a dialysis dose based on the dialysis fluid parameter and for establishing the distribution volume based on the dialysis dose taking a clearance factor and dialysis duration into account.

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.

Abstract: A method and apparatus for the treatment of blood are disclosed allowing for the determination of an internal convection in a blood purification device e.g. in the form of a dialyzer. The internal convection in the purification device can be determined on the basis of pressure differences in the purification device. The blood purification may be, for instance, a hemodialysis or a hemodiafiltration. Pressure sensors serve for measuring the pressures of the blood at the input and/or output of the purification device as well as optionally for detecting the pressure of a cleaning fluid or dialysis fluid at the input and/or output of the purification device.

Abstract: A method and a device for determining a recirculation during a dialysis on the basis of the response of the dialysis system to an alteration of a system-related operating value are described. Recirculation may be determined by establishing, at the side of the dialysis liquid, a reference parameter that represents the concentration of uremic toxins from the extracorporeal circulation, and calculating a target parameter for a system-related target operational value from the reference parameter, presetting the system-related target operational value and establishing an actual parameter related to the system-related target operational value, determining an actual comparative value from the actual parameter and the reference parameter related to the system-related target operational value and comparing the actual comparative value with a system-specific target comparative value related to the system-related target operational value, and converting the comparison result into a recirculation degree.