Stacked sorbent assembly
First Claim
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1. A sorbent pouch assembly, comprising:
- a sorbent assembly shell;
the sorbent assembly shell containing inside at least one first sorbent pouch detachable from the sorbent assembly shell and a second sorbent pouch detachable from the sorbent assembly shell, the first sorbent pouch and the second sorbent pouch stacked in series;
wherein the at least one first sorbent pouch contains urease, and forms a complete enclosure around the urease;
wherein the second sorbent pouch contains alumina, and forms a complete enclosure around the alumina; and
wherein the complete enclosure of the first sorbent pouch and the second sorbent pouch is made of a porous material allowing fluid to pass through the at least one first sorbent pouch and the second sorbent pouchwherein the first sorbent pouch and the second sorbent pouch are positioned sequentially in series in a direction of a fluid flow wherein a fluid first enters the first sorbent pouch and then the second sorbent pouch.
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Abstract
A stacked sorbent assembly for use in sorbent dialysis. The stacked sorbent assembly contains two or more interchangeable sorbent pouches that allow for fluid to freely pass into and through the sorbent materials, while keeping the sorbent materials inside the sorbent pouches. Any of the pouches in the sorbent cartridge can be reused and/or recharged.
164 Citations
23 Claims
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1. A sorbent pouch assembly, comprising:
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a sorbent assembly shell; the sorbent assembly shell containing inside at least one first sorbent pouch detachable from the sorbent assembly shell and a second sorbent pouch detachable from the sorbent assembly shell, the first sorbent pouch and the second sorbent pouch stacked in series; wherein the at least one first sorbent pouch contains urease, and forms a complete enclosure around the urease; wherein the second sorbent pouch contains alumina, and forms a complete enclosure around the alumina; and wherein the complete enclosure of the first sorbent pouch and the second sorbent pouch is made of a porous material allowing fluid to pass through the at least one first sorbent pouch and the second sorbent pouch wherein the first sorbent pouch and the second sorbent pouch are positioned sequentially in series in a direction of a fluid flow wherein a fluid first enters the first sorbent pouch and then the second sorbent pouch. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification