A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 1/14 (2006.01)
Patent
CA 2310879
A centralized bicarbonate mixing system is provided for a plurality of dialysis machines of a dialysis clinic. The system includes a source of purified water, a mix tank, an eductor having a hopper for receiving dry bicarbonate material, a mixing pump and a mixing conduit loop connecting the mixing pump, the eductor and the mix tank so that as water is circulated by the mixing pump through the mixing conduit loop, the dry bicarbonate material is drawn into the eductor and mixed with the water. The system further includes a circulation tank, and a transfer conduit connecting the mixing conduit loop to the circulation tank, so that a mixed bicarbonate solution can be transferred from the mixing conduit loop to the circulation tank. The system further includes a circulation pump, and a circulation supply conduit connecting the circulation tank and the circulation pump so that mixed bicarbonate solution can be pumped from the circulation tank to the dialysis machines. The system is preferably constructed of cross-linked polyethylene and/or polypropylene plastic pipe and fittings, and is provided with heat exchangers so that the same can be heat disinfected. Furthermore, the use of the eductor and closed hopper allows for easy loading of dry bicarbonate material into the system, and for sanitary mixing of a batch of bicarbonate solution in the closed system.
Peterson Michael J.
Russell Richard M.
Dialysis Systems Inc.
Parmenlo Llc
Smart & Biggar
LandOfFree
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