Dual-stage hemodiafiltration cartridge
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United States of America Patent
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-
Nov 13, 2001
Grant Date -
N/A
app pub date -
Dec 30, 1999
filing date -
Dec 30, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A dual-stage hemodiafiltration cartridge is presented and includes a first hemodiafiltration stage including a first housing with first filtering elements disposed therein. The first housing has a blood inlet and a first dialysate outlet at one end and a first dialysate inlet at an opposite end. The cartridge further includes a second hemodiafiltration stage having a second housing with second filtering elements disposed therein. One end of the second housing has a blood outlet and a second dialysate inlet. An opposite end has a second dialysate outlet. An inter-stage connector is connected to one end of the first housing and to one end of the second housing and is adapted to allow flow of blood from a blood side of said first filtering elements to a blood-side of the second filtering elements and flow of dialysate fluid therethrough from the second stage to the first stage.
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