A container for use in dialysis, containing a certain amount of a salt concentrate in the form of a powder, granules or tablets or mixtures thereof, having an inlet for the water and an outlet that is connectable to a dialysis machine. Both the inlet and the outlet are situated on one side of the co
A container for use in dialysis, containing a certain amount of a salt concentrate in the form of a powder, granules or tablets or mixtures thereof, having an inlet for the water and an outlet that is connectable to a dialysis machine. Both the inlet and the outlet are situated on one side of the container, and each includes a filter therein to prevent any undissolved salt concentrate from leaving the container.
대표청구항▼
1. A device for use in dialysis comprising the combination of: i. a container having an interior area in which solid form salt concentrate is mixed with water, andii. a bed of solid form salt concentrate contained in said interior area of said container prior to use of said device so that only water
1. A device for use in dialysis comprising the combination of: i. a container having an interior area in which solid form salt concentrate is mixed with water, andii. a bed of solid form salt concentrate contained in said interior area of said container prior to use of said device so that only water is introduced into said container for mixture with the salt concentrate in the interior area when the device is used;said container having an inlet for water and an outlet that is connectable to a dialysis machine, said inlet and said outlet being located adjacent one another and both the inlet and the outlet being positioned in direct proximity to said bed of solid form salt concentrate contained in said interior area of said container and each having a respective filter therein to prevent any undissolved salt concentrate from leaving the container,said device being configured so that water entering the interior area of the container through the inlet is saturated in said container during continuous operation by said water passing through an entire bed of said salt concentrate a first time after incoming through said inlet as a first flow in a first direction and passing through an entire bed of said salt concentrate a second time to mix with said salt concentrate before exiting said container through said outlet as a second flow in a second direction counter current to said first direction, said first and second flows occurring concurrently and being in direct proximity to one another inside the container so that said flows themselves create a turbulent flow around the salt concentrate for saturation of said water. 2. The device according to claim 1, wherein the container includes a flexible bag defining a single chamber. 3. The device according to claim 2, wherein said inlet and said outlet include connectors arranged in a bottom side of the bag when the bag is in use, access openings to said interior area of said container being limited to only said inlet, through which water enters the container, and said outlet, through which water saturated with salt concentrate exits the container. 4. The device according to claim 3, wherein said water after incoming through said inlet forms a first flow in an upward direction and before exiting said container through said outlet forms a second flow in a downward direction. 5. The device according to claim 1, wherein each of said filters has a porosity of from about 50 μm to 500 μm. 6. The device according to claim 1, wherein an interior of said bag includes at least one partition forming different regions in the container, said partition having perforations that allow a fluid exchange between said regions. 7. The device according to claim 6, wherein the partition includes side walls of the bag welded together. 8. The device according to claim 1, wherein said salt concentrate includes bicarbonate. 9. The device according to claim 1, wherein said salt concentrate includes sodium chloride. 10. The device according to claim 1, wherein said salt concentrate is in a form including powder, granules, tablets or mixtures thereof. 11. The device according to claim 1, wherein said salt concentrate remains at least partly in solid form during said continuous operation. 12. The device according to claim 1, wherein said device is configured and used for the continuous preparation of a fluid for dialysis which is saturated with the salts contained in said salt concentrate. 13. The device according to claim 1, in combination with a dialysis machine. 14. A device for use in dialysis comprising a container and a single bed of salt concentrate solids contained within said container prior to use of said device, said container having an inlet for water and an outlet that is connectable to a dialysis machine, both the inlet and the outlet being located adjacent one another in a lower side of the container and both in direct proximity to a lower side of said bed of salt concentrate solids, which solids are located in a lower part of said container when the container is in use, both the inlet and the outlet having a respective filter therein to prevent undissolved salt concentrate solids from leaving the container, said device being configured so that, during continuous operation, at least a part of said bed of salt concentrate solids remains undissolved and water is saturated in said container by said water first passing from the lower side of said bed upwardly through said undissolved part of said bed of salt concentrate a first time after incoming through said inlet and by second passing in a downward direction through said undissolved part of said bed of salt concentrate a second time before exiting said container through said outlet, at least part of said undissolved part being in direct contact with said outlet port to ensure said water passes through said undissolved part a second time. 15. The device according to claim 14, wherein the container is a flexible-walled bag having a single chamber, an interior of said container being accessible only through said inlet, through which water enters the container, and through said outlet, through which water saturated with salt concentrate exits the container. 16. The device according to claim 14, wherein said device is configured and used for the continuous preparation of a fluid for dialysis which is saturated with the salts contained in said salt concentrate. 17. The device according to claim 14, in combination with a dialysis machine. 18. A container for use in dialysis, said container having a bed of solid form salt concentrate contained within its interior prior to use, said container comprising: an inlet for water and an outlet that is connectable to a dialysis machine, said inlet and said outlet being located adjacent to one another and both the inlet and the outlet being positioned in direct proximity to said bed of solid form salt concentrate in said container interior, each of said inlet and outlet including a filter to prevent any undissolved salt concentrate from leaving the container, the interior of said container being accessible only through said inlet, through which water enters the container, and through said outlet, through which water saturated with salt concentrate exits the container;said container being configured so that water is saturated in said container during continuous operation by said water passing through an entire bed of salt concentrate a first time after incoming through said inlet as a first flow in a first direction and passing through an entire bed of salt concentrate a second time before exiting said container through said outlet as a second flow in a second direction counter current to said first direction, said first and second flows occurring concurrently and being in direct proximity to one another inside the container so that said flows themselves create a turbulent flow around the salt concentrate for saturation of said water. 19. The container according to claim 18, wherein the container is a flexible bag defining a single chamber. 20. The container according to claim 19, wherein said inlet and said outlet include connectors arranged in a bottom side of the bag when the bag is in use. 21. The container according to claim 18, wherein each of said filters has a porosity of from about 50 μm to 500 μm. 22. The container according to claim 18, wherein the container is a flexible bag and an interior of said bag includes at least one partition forming different regions in the container, said partition having perforations that allow a fluid exchange between said regions. 23. The container according to claim 22, wherein the partition includes side walls of the bag welded together. 24. The container according to claim 18, wherein said salt concentrate include bicarbonate. 25. The container according to claim 18, wherein said salt concentrate includes sodium chloride. 26. The container according to claim 18, wherein said salt concentrate is in a form including powder, granulates, tablets or mixtures thereof. 27. The container according to claim 18, wherein said salt concentrate remains at least partly in solid form during said continuous operation. 28. The container according to claim 18, wherein said container is configured and used for the continuous preparation of a fluid for dialysis which is saturated with the salts contained in said salt concentrate. 29. The container according to claim 18, in combination with a dialysis machine.
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