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US 7,033,498 B2Granted
Cartridges useful in cleaning dialysis solutions
AssigneeRenal Solutions, Inc.
InventorRaymond J. Wong
Life of this patent
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Abstract
Cartridges useful in regenerating or purifying dialysis solutions are described as well as methods to regenerate or purify spent dialysis solutions. Dialysis systems using the sorbent cartridges of the present invention are further described.
Claims57
A sorbent cartridge comprising at least two layers, wherein one of said layers comprises at least sodium zirconium carbonate in said sorbent cartridge.
A sorbent cartridge comprising an alkali metal-Group IV B metal carbonate, wherein said alkali metal-Group IV B metal carbonate is present as a layer in said sorbent cartridge.
Dependencies are inferred from the claim text.