Abstract: The invention relates to an extracorporeal blood treatment machine, such as a dialysis machine, comprising leakage detection as well as to a method of detecting leakages in the dialysis fluid circuit of a dialysis machine, wherein at least part of the dialysis fluid system to be monitored in terms of leakage is accommodated in a hermetically sealed housing and the housing is or can be ventilated in a controlled manner, and wherein a parameter, such as the air humidity of the air flowing into the housing is compared to a corresponding parameter, preferably air humidity of the air flowing out of the housing.

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.

Abstract: The invention relates to an extracorporeal blood treatment machine, such as a dialysis machine, comprising leakage detection as well as to a method of detecting leakages in the dialysis fluid circuit of a dialysis machine, wherein at least part of the dialysis fluid system to be monitored in terms of leakage is accommodated in a hermetically sealed housing and the housing is or can be ventilated in a controlled manner, and wherein a parameter, such as the air humidity of the air flowing into the housing is compared to a corresponding parameter, preferably air humidity of the air flowing out of the housing.

Abstract: A method for monitoring conveyance of fluid in a device for extracorporeal blood treatment, whereby fluid is conveyed by a peristaltic pump in a fluid system from a low-pressure side to a high-pressure side in that an elastically deformable fluid line positioned between the low-pressure side and the high-pressure side is deformed between a support surface and at least two squeeze elements of a rotor rotating opposite the support surface in such a way that a conveyance volume section is formed between the squeeze elements, whereby a fluid pressure value in the fluid system is detected for the conveyance volume section that is specific to the conveyance volume section, and whereby the detected conveyance-volume-specific fluid pressure value of a conveyance cycle n is compared with the detected conveyance-volume-specific fluid pressure value of a previous conveyance cycle n?x.

Abstract: A dialysis machine having a housing and a monitor is disclosed. Situated on a front side of the housing is a front door, on the top side of which a monitor housing is formed and a monitor is fastened. The monitor is situated, at least in portions, above a top side of the housing. A comparatively low, and therefore ergonomic, storage surface may be formed or situated behind the monitor on the top side of the housing.

Abstract: The invention relates to an extracorporeal blood treatment machine, such as a dialysis machine, comprising leakage detection as well as to a method of detecting leakages in the dialysis fluid circuit of a dialysis machine, wherein at least part of the dialysis fluid system to be monitored in terms of leakage is accommodated in a hermetically sealed housing and the housing is or can be ventilated in a controlled manner, and wherein a parameter, such as the air humidity of the air flowing into the housing is compared to a corresponding parameter, preferably air humidity of the air flowing out of the housing.

Abstract: A device for extracorporeal blood treatment is disclosed that includes a detection equipment for detecting uremic toxins in a used dialysis liquid by measuring the absorbance, the detection equipment being provided at such a position downstream the outflow of the dialysis liquid from a filter element that at least one of the following requirements is fulfilled: a) the filling volume of the fluid line and of the components starting from the outflow of the used dialysis liquid from the filter element to the detection equipment is less than or equal to 100 ml; and b) the length of the fluid line starting from the outflow of the used dialysis liquid from the filter element to the detection equipment is at most 250 cm.

Abstract: A method for monitoring conveyance of fluid in a device for extracorporeal blood treatment, whereby fluid is conveyed by a peristaltic pump in a fluid system from a low-pressure side to a high-pressure side in that an elastically deformable fluid line positioned between the low-pressure side and the high-pressure side is deformed between a support surface and at least two squeeze elements of a rotor rotating opposite the support surface in such a way that a conveyance volume section is formed between the squeeze elements, whereby a fluid pressure value in the fluid system is detected for the conveyance volume section that is specific to the conveyance volume section, and whereby the detected conveyance-volume-specific fluid pressure value of a conveyance cycle n is compared with the detected conveyance-volume-specific fluid pressure value of a previous conveyance cycle n-x.

Abstract: A machine for extracorporeal blood treatment comprising a machine-side fluid circuit is disclosed. The machine comprises a heat exchanger for heating cold purification fluid freshly supplied on its intake side, for which purpose used still warm purification fluid flows past its opposite discharge side for a heat exchange, and a circulation valve for changing over between a blood purification mode in which the used purification fluid is disposed of in an open fluid circuit through the discharge side of the heat exchanger into a drain and a disinfection mode in which hot disinfectant is circulated in a closed circuit. The circulation valve is connected downstream of the heat exchanger with respect to the discharge side thereof.

Abstract: A method of conveying fluid in an apparatus for extracorporeal blood treatment is disclosed, wherein fluid is conveyed by a peristaltic pump from a low-pressure side to a high-pressure side, an elastically deformable fluid line arranged between the low-pressure side and the high-pressure side being deformed between a support surface and a rotor rotating with respect to the latter and having at least two pinch elements, wherein the pinch elements are repositioned at angles relative to each other during rotation of the rotor for causing pre-compression.

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.

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.

Abstract: A dialysis machine having a housing and a monitor is disclosed. Situated on a front side of the housing is a front door, on the top side of which a monitor housing is formed and a monitor is fastened. The monitor is situated, at least in portions, above a top side of the housing. A comparatively low, and therefore ergonomic, storage surface may be formed or situated behind the monitor on the top side of the housing.

Abstract: A dialysis unit includes both an inlet for guiding dialysis fluid in a direction of flow to a dialyzer membrane and an outlet for discharging dialysate from the dialyzer membrane. A heat pump configured to exchange thermal energy between a heat reservoir and the dialysis fluid in the inlet is coupled to the inlet.

Abstract: A dialysis machine which includes a preparation system comprising a main line for the dialysis liquid, several supply lines for respective concentrates opening at said main line is disclosed. At a point behind each orifice a respective mixing chamber is arranged and after the latter a respective conductivity probe is disposed. Downstream of the last conductivity probe, a shared pump is arranged. The negative pressure in the main line is adjusted via a pressure control valve which is arranged upstream of the first orifice in the main line. Furthermore, a proportional valve or a digital switching valve is disposed for metering the various concentrates in each supply line. The pressure control valve and the proportional valves or switching valves are controlled in electromagnetic fashion by a central electronic control unit.

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: The invention relates to an extracorporeal blood treatment machine, such as a dialysis machine, comprising leakage detection as well as to a method of detecting leakages in the dialysis fluid circuit of a dialysis machine, wherein at least part of the dialysis fluid system to be monitored in terms of leakage is accommodated in a hermetically sealed housing and the housing is or can be ventilated in a controlled manner, and wherein a parameter, such as the air humidity of the air flowing into the housing is compared to a corresponding parameter, preferably air humidity of the air flowing out of the housing.

Abstract: A device for extracorporeal blood treatment is disclosed that includes a detection equipment for detecting uremic toxins in a used dialysis liquid by measuring the absorbance, the detection equipment being provided at such a position downstream the outflow of the dialysis liquid from a filter element that at least one of the following requirements is fulfilled: a) the filling volume of the fluid line and of the components starting from the outflow of the used dialysis liquid from the filter element to the detection equipment is less than or equal to 100 ml; and b) the length of the fluid line starting from the outflow of the used dialysis liquid from the filter element to the detection equipment is at most 250 cm.

Abstract: The present invention relates to a medical device for extracorporeal blood treatment which is preferably configured as a mobile device. According to aspects of the present invention, the device includes a device housing which is configured as a self-supporting housing, preferably without any frame whatsoever.