Abstract: The method of verifying an RO membrane of an RO installation is characterised in that the conductivity values of the supplied raw water and of the permeate and the amount of the raw water inflow and the concentrate outflow are continuously or cyclically measured and that the efficiency of the RO membrane, its retention rate and/or filtration efficiency are calculated from the measured values.

Abstract: The mixing device for producing ready-for-use medical flush solutions, particularly for hemodialysis concentrates, comprising a source of ultrapure water which is connected via a supply line to a recirculation circuit in which a pump is disposed, comprising a computer and comprising a secondary-mixture connection line which is connectable to a feedstock container which prior to the beginning of the mixing operation contains powdery and/or granulated and/or slurried feedstocks that are to be mixed with the ultrapure water, is characterized in that a mixing venturi tube with its convergence chamber and its divergence chamber and a mixing valve are disposed in the recirculation circuit in flow direction one after the other.

Abstract: A combination of a single-station reverse-osmosis (RO) device comprising a hemodialysis device (HD device) is characterized in that a connection line is provided with a buffer chamber for permeate which serves on the one hand a faster permeate supply into the HD device and on the other hand a generation of a negative transmembrane pressure, and that upon request by the HD device the permeate flows either via the water inlet valve into the HD device or via a flushing valve of the HD device to an outlet.

Abstract: The sampling point valve, with a valve body that is movable in a valve housing between a closed position and an open position of the sampling point valve, wherein the valve body has a sample fluid channel, characterized in that the valve body is made of a material with a high thermal conductivity coefficient, preferably metal, that a signal unit with an essentially pot-shaped housing part made of a material with a high thermal conductivity coefficient, preferably metal, is in contact with the valve body, and that the signal unit includes a signal button that can be advanced out of a housing by a shape memory spring device when this device is warmed.

Abstract: The system for storing and applying flush solutions, preferably in the medical field such as for general and endoscopic operations, with a flush solution bag that is arranged in a rigid container, is characterized in that the rigid container has a swiveling lid with a connector receptacle, through which a bag connector is stuck, that can be mounted to the bag connector by means of a movable connector locking device and a holding slot arrangement, in that running through the bag connector is a filling line that is provided with a link connector that can be connected to a link connector of the mixing unit, in that the link connector of the mixing unit is covered by a swiveling concentrate flap in its closed state in such a manner that a tight flushing area is formed around the link connector, and in that a flush fluid line discharges into the link connector of the mixing unit in such a way that flushing fluid that can completely clean the link connector on the inside and outside can be conveyed into the flushin

Abstract: The water treatment system, particularly pre-filtration unit of the water treatment system, comprising at least one chlorine sensor device, is characterized in that the water treatment system contains a salt-water treatment device which is connected to the chlorine sensor device, an electrolysis cell being disposed in the associated line, and thereafter a pump and a release valve.

Abstract: The mixing system for ready-to-use flush solutions is characterized by an RO system, a mixing unit that is connected to the RO system and that contains a mixing chamber, to which high-purity water can be fed from the RO system and flush solution concentrate can be fed from a concentrate source, and a flush solution link connector, wherein the RO system and the mixing unit form a filling station, a mobile flush solution container that contains a pressurized container that receives a flush solution bag that can be coupled to the flush solution link connector of the mixing unit, and a computer and control mechanism for all measurement and monitoring tasks during the local production of a flush solution, wherein the mobile flush solution container and the filling station are provided with sensors by means of which wireless communication is made possible between the mobile flush solution container and the filling station.

Abstract: The transport carriage for flush solutions is characterized in that the flush solution is received in a flexible flush solution bag that is arranged in a rigid container, wherein a pressurized gas can be introduced into the flush solution bag or the rigid container.

Abstract: The RO installation for producing ultrapure water, preferably for medicinal flushing solutions, with a raw water supply conduit, which leads to a feed tank, from which a conduit with a pump leads to the primary side of an RO membrane, from where a concentrate circulation conduit leads back to the feed tank, and with a permeate feed conduit and a first permeate circulation conduit, which either extends to a permeate return conduit, which leads to the feed tank, or communicates via a further permeate circulation conduit with the secondary side of the RO membrane, and with a filtrate outlet conduit is characterised in that the primary circuit including the feed tank, the conduit, the primary side of the RO membrane and the concentrate circulation conduit and the secondary circuit including the secondary side of the RO membrane, the first permeate circulation conduit and the further permeate circulation conduit may be flowed through by a disinfecting and cleaning agent independently of one another, wherein a disi

Abstract: A mixing unit for ready-to-use flushing solutions with a mixing chamber, with which conduits for ultrapure water and for concentrate communicate, in order to form a ready-to use flushing solution therein is characterised in that the concentrate is filled into a concentrate bag, which is provided with a concentrate bag connector, which is connectable to a connector on the mixing unit, that the connector on the mixing unit is covered by a pivotal concentrate valve in its closed state so that a sealed flushing space is defined around the connector and that a flushing liquid conduit communicates with the connector on the mixing unit so that flushing liquid is conveyable into the flushing space, which can completely clean the connector internally and externally.

Abstract: A circulation pump and an electrochemical ozone generator are integrated into the permeate return line of an RO system, and the permeate return line is connected in flow direction behind the circulation pump and the ozone generator by a recirculation line to the permeate supply line, which can form a closed circuit where the ozonized permeate circulates until all organic contaminants have been killed or decomposed by the ozone in that part of the line system. Valves are integrated, respectively, into the recirculation line and the permeate return line downstream of the branch of the recirculation line. During normal operation of the RO system, the recirculation line valve is connected for feeding connected dialysis devices while the permeate return line valve is open, so excessive permeate that was not taken by the dialysis devices can flow into the supply tank. Alternatively, the permeate can be discharged into an outlet.

Abstract: A combination of a single-station reverse-osmosis (RO) device comprising a hemodialysis device (HD device) is characterized in that a connection line is provided with a buffer chamber for permeate which serves on the one hand a faster permeate supply into the HD device and on the other hand a generation of a negative transmembrane pressure, and that upon request by the HD device the permeate flows either via the water inlet valve into the HD device or via a flushing valve of the HD device to an outlet.

Abstract: The water treatment system, particularly reverse-osmosis system, comprising a salt water container, is characterized in that the salt water container is arranged on a weighing device which measures the weight of the salt water container.

Abstract: A filter module comprising a pressure pipe and a membrane disposed therein, having connections for a fluid to be fed, preferably untreated water, and for filtrate and retentate to be discharged, characterized by a functional/connection unit which is fastened in one end of the pressure pipe and has an upper part and a lower part, wherein all of the connections are provided on the upper part, and flow ducts which are in communication with the connections pass through the lower part, wherein the pressure pipe and the membrane have provided thereinbetween an open annular space through which the fed fluid flows to the bottom side of the membrane, and wherein the pressure pipe has a closed bottom.

Abstract: A combination of a single-station reverse-osmosis (RO) device comprising a hemodialysis device (HD device) is characterized in that at least one cleaning chamber for the raw water and/or for the permeate is arranged, and that upon request by the HD device the permeate flows either via the water inlet valve into the HD device or via a flushing valve of the HD device to an outlet.

Abstract: A method is provided for sanitizing a reverse osmosis system to supply high-purity permeate. Included in the method is supplying raw water to a feed tank and to a filter module using a raw-water inlet line having an inlet valve. A primary circuit is provided, and has a first pump connected to the filter module. A secondary circuit is provided, and has a second pump and a heater, both of which are connected to the filter module. The primary circuit is separated from the secondary circuit using a semipermeable membrane disposed in the filter module. The secondary circuit of the reverse osmosis system is cleaned or disinfected while the raw-water inlet line is in a disconnected state and the inlet valve is in a closed state using the second pump and the heater.

Abstract: The device for producing ultrapure water according to the reverse osmosis principle, comprising a reverse osmosis filter which is subdivided by the RO membrane into a primary circuit and into a secondary circuit, and a pump for the primary circuit, and a flow resistance valve required downstream of the RO membrane for pressure build-up in the primary circuit is characterized in that at least one cleaning chamber with decalcifying ability and a discharge valve are located in the primary circuit and that the flow in the primary circuit is adjustable via a valve.

Abstract: The coupling element is characterized by the locking pieces, on the coupling element and on the nipple element, with circumferentially extending projections which viewed in cross-section are substantially serrated (or roof-shaped) and which extend around a part of the whole circumference of the locking pieces. The coupling element and the nipple element are elastically deformed during the inserting operation and lock in place one after the other. At least one circumferential section of the locking pieces, of the coupling element and of the nipple element, is free of serrated (or roof-shaped) projections and has guides for the twist-proof inserting operation.

Abstract: The water treatment system, particularly pre-filtration unit of the water treatment system, comprising at least one chlorine sensor device, is characterized in that the water treatment system contains a salt-water treatment device which is connected to the chlorine sensor device, an electrolysis cell being disposed in the associated line, and thereafter a pump and a release valve.

Abstract: The water treatment system, particularly reverse-osmosis system, comprising a water line with a plurality of filter stages, is characterized in that before and after at least one filter stage a respective line branches off from the water line, which is provided with a valve adapted to be switched by a control device and leads to a pressure sensor device.