Abstract: Dialysis machine for alternatively hospital care and self-care having a touch screen (16) which can be adjusted universally and to a desired vertical position on the dialysis machine and can be locked in the desired adjusted position. As a consequence thereof, the touch screen can be arrested in a position in relation to the position of the person controlling the dialysis machine which allows the touch screen to be comfortably reached irrespective of the position of said person.

Abstract: A device in a dialysis machine for exchangeable connection of a powder cartridge (11) between an inlet (56') and an outlet (56) for liquid. The inlet and the outlet are provided in one and the other, respectively, of two jaws (12, 14), and at least one of these is guided for linear displacement towards and away from the other one for engaging the jaws with the powder cartridge (11) under connection of the inlet and the outlet to a hollow stud (18, 19; 31) on the powder cartridge positioned between the jaws for conducting liquid through the cartridge, or for interengaging of the jaws for short circuit of the inlet and the outlet.

Abstract: A device in a powder cartridge (11) for a dialysis machine (10), having an externally threaded neck (21) which can be closed by means of a screw cap (26). In this screw cap there is provided a normally closed valve (36) which can be adjusted to open position at insertion of the powder cartridge into the dialysis machine. The end wall (28) of the screw cap and the neck (21) have mutually cooperating means (25, 33) which are adapted, when the cap is screwed on, to be interengaged for preventing unscrewing of the cap, and the end wall (28) has a break connection with the rest of the screw cap to allow unscrewing of the cap only under breaking of the connection (29) between the end wall and the rest of the cap in order to separate the end wall from the cap.

Abstract: Dialyzers and methods are disclosed for performing shortened extracorporeal blood treatments. A flow restriction is provided in a dialyzer serving to partially impede flow of dialysate through the dialysate compartment of the dialyzer. As a result, the pressure of the dialysate upstream of the flow restriction is sufficient to cause the pressure profile of the dialysate from the dialysate inlet to the dialysate outlet of the dialyzer to be non-linear, in contrast to prior-art dialyzers. This perturbation of the dialysate pressure profile permits a single dialyzer to be used to remove large amounts of blood water from a patient's blood and re-infuse large amounts of liquid to the blood while still attaining a desired net ultrafiltration of the patient without the need for more than one dialyzer per treatment or for a separate replacement fluid.

Abstract: Methods are disclosed for providing certain operational instructions to a hemodialysis machine. The hemodialysis machine possesses a programmable memory and a capability of operating according to a time-varying parameter such as variable ultrafiltration. According to the methods, the machine operator enters into the memory a desired time period, a target cumulative value of the time-varying parameter, such as target UF volume, and a proposed time-varying profile of the time-varying parameter that is representable as a plot of coordinates in a region defined by an ordinate of values of the parameter and a time-based abscissa, wherein the plot defines a profile cumulative value of the parameter. If the profile cumulative value is not equal to the target cumulative value, then the proposed time-varying profile is changed along the ordinate so that the profile cumulative value is made equal to the target cumulative value.