The invention relates to a blood treatment device for carrying out an extracorporeal blood treatment in which blood is guided in a blood guidance device having a main blood line and at least one secondary line, the latter being fluidically connected to the main blood line and the main blood line having a dialyzer and, downstream from the dialyzer, a blood treatment element, wherein the blood treatment device has a control device; and a pump configuration, which is equipped for generating blood flows in the main blood line and also in the at least one secondary line, wherein the control device is designed to operate the pump configuration in such a way that a first blood flow rate in the dialyzer is decoupled from a second blood flow rate in the blood treatment element. Furthermore, the invention relates to a blood guidance device for cooperation with the blood treatment device as well as for a blood treatment system.

The present invention relates to a system (100) for extracorporeal blood treatment comprising a first inlet (1) for introducing a bloodstream to be treated into the system (100), three blood treatment apparatus (A, D, G), as well as an outlet (2) for discharging a treated bloodstream from the system (100), wherein the system comprises an adsorber apparatus (A) and/or a plasma separator apparatus, a dialysis apparatus (D) and a gas exchange apparatus (G), and wherein the three blood treatment apparatus (A, D, G) are sequentially connected in series in a functional state of system (100) application between the inlet (1) and the outlet (2) of the system relative to a direction of blood flow of a bloodstream to be treated and can be consecutively perfused extracorporeally by a bloodstream to be treated. The present invention further relates to a treatment apparatus comprising such a system, a kit comprising the components of such a system, a method for operating such a system (100) as well as a method for extracorporeal blood treatment with such a system (100).

A hollow fiber membrane including a dense layer at least on an inner surface side of the hollow fiber membrane, in which when the inner surface of the hollow fiber membrane is observed under an atomic force microscope, a plurality of groove-like recesses oriented in a lengthwise direction of the hollow fiber membrane are observed, an aspect ratio defined as a ratio of a length to a width of each of the recesses is greater than or equal to 3 and less than or equal to 30, a yield strength of the hollow fiber membrane in a dry state is greater than or equal to 30 g/filament, and a breaking elongation is less than or equal to 20%/filament.

A renal failure therapy system (10) includes: a dialyzer (102); a blood circuit (100) including a blood pump (120) in fluid communication with the dialyzer (102); a dialysis circuit (30) in fluid communication with the dialyzer (102); and at least one flow path insulator (150, 155) located in the dialysis circuit (30) or the blood circuit (100), the flow path insulator (150, 155) including a structure that separates liquid flowing within the flow path insulator (150, 155) into a plurality (e.g., two or more) of separated liquid segments (160) that create electrical isolation within the flow path insulator (150, 155).

The invention relates to a method and to a device for determining an optimum dialysate flow Q.sub.dopt for an extracorporeal blood treatment and to a blood treatment device comprising a device 18 for determining an optimum dialysate flow Qd.sub.opt. The optimum dialysate flow Qd.sub.opt is determined on the basis of a relationship describing the dependence of the clearance K on the dialysate flow Q.sub.d. The device according to the invention comprises a measurement device 18B for measuring at least one value which is characteristic of the clearance K, a calculation and/or evaluation unit 18A of the device according to the invention being configured in such a way that the clearance K is determined on the basis of the at least one value which is characteristic of the clearance. The calculation and/or evaluation unit 18A is configured in such a way that the optimum dialysate flow Q.sub.dopt is determined from the relationship describing the dependence of the clearance K on the dialysate rate Q.sub.d on the basis of the measured clearance K, or the optimum dialysate flow Q.sub.dopt is determined from the measured clearance K.

Apparatus and method for photo-chemical oxidation are disclosed herein. In one embodiment, a dialysis fluid regeneration system includes: a nanostructured anode; a source of light configured to illuminate the anode; and a cathode that is oxygen permeable.

Apparatus and method for photo-chemical oxidation are disclosed herein. In one embodiment, a method for regenerating a dialysis fluid includes: flowing the dialysis fluid between an anode and a cathode of a dialysis system, where the anode comprises a plurality of nanostructures; illuminating the anode with a source of light; flowing oxygen through the cathode toward the dialysis fluid; and converting urea in the dialysis fluid into CO2, N2 and H2O thereby regenerating the dialysis fluid.

An apparatus for the extracorporeal treatment of blood with veno-venous access, of the type comprising a circuit defined by a main pump (2) and by one or more conduits through which the blood to be treated passes at a given flow value (V1), said circuit being provided with an oxygenator (4), which performs a treatment on the blood at a first flow value, and of a hemofilter (7), which performs a treatment on the blood at a second flow value, lower than said first flow value. The apparatus is characterized in that: said oxygenator (4) is arranged and acting on a first portion (21) of the blood circuit and that the hemofilter (7) is arranged and acting on a second portion (22) of the blood circuit arranged parallel to the first portion (21); said second portion (22) is connected to the first portion.

This disclosure relates to a medical device including, a hard part, a converter, and a conductive path. The hard part has fluid paths for guiding a medical fluid, in particular blood, through the hard part. The converter is arranged to measure a characteristic of the medical fluid while the fluid is present in one of the fluid paths. At least a first section of the converter or of the conductive path is applied to or superimposed on the hard part by a first additive application method. At least a second section of the converter or of the conductive path is applied to the hard part by a second application method. The first and the second additive application methods differ from each other.

The present disclosure relates to a blood line (108) comprising an infusion site (145) intended to inject into the line a solution comprising: a first main channel (200) having a first passage section, a second main channel (220) having a second passage section, means for the formation (210) of a turbulence area located downstream from the first main channel, located upstream from the second main channel, these formation means comprising a first fluid passage means (224) defining a reduction (225) in the passage section and whose smallest passage section is smaller than the first passage section and smaller than the second fluid passage section, a secondary channel (230) comprising an inlet (231) for letting in the solution and an outlet (232) in fluid communication with the first main channel or the means for the formation of a turbulence area or the second main channel.