Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1987-09-08
1989-03-07
Spitzer, Robert
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210655, 210669, 210 962, 210238, 2102572, 2104163, B01D 1300, B01D 1504
Patent
active
048103888
ABSTRACT:
A portable assembly of components that is designed to produce sterile, intravenous solutions and water for injection in the field, under combat conditions and from various sources of raw feedwater. A single frame supports the components of the invention consisting of a pair of manually operated pump handles, a peristaltic pump to which is engaged an inlet feed tube. The device has the ability to suck water from available feedwater sources or from a reserve bottle designed to hold a variety of liquids that may be introduced therein from any available source. Feedwater is pumped into the base of a filter module containing a coarse filter combined with a reserve osmosis filter for an initial prefiltering of the water. Purified water then passes through a carbon exchange column and subsequently an ion exchange column. At this point, ultrapure water is then passed through a sterilizing filter from which it passes through an IV spike in the form of sterile, non-pyrogenic water for injection. Prepackaged, large volume parenteral bags with premeasured dried medicines located inside are provided so that when connected to the IV spike, IV solutions can be created from the reconstituted medicines. The invention is portable, disposable, air dropable, and can produced 20 to 40 liters of sterile, non-pyrogenic intravenous solutions and water for injection prior to shut down by depletion of the filter system.
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Shaffer, Jr. J. Nevin
Spitzer Robert
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