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7378024 |
Methods for improving filtration performance of hollow fiber membranes
In accordance with the present invention, there are provided methods for improving performance of hollow fiber filtration membrane modules. Invention methods comprise a unique backwashing technique...
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7338595 |
Flow-through tank for water treatment
A fluid treatment system includes at least one flow-through tank, a treatment device configured for treating at least one of an untreated fluid and a treated fluid and providing the treated fluid...
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7264737 |
Control of water treatment system with low level boron detection
A water treatment system and method including a membrane-based boron removal unit includes a boron analyzer for detecting the concentration of boron in a treatment stream. The boron removal unit...
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7230687 |
Blood leak detector for extracorporeal treatment system
A blood leak detector is disclosed having a light source projecting a beam along an optical path, wherein the beam has a wavelength in a range of about 800 to 930 nm; a light detector receiving the...
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7192517 |
Coal-bed-methane water treatment system
A water treatment system for treating coal-bed-methane (CBM) water. The CBM water treatment system includes a pump system for pumping CBM water from one or many CBM wells into a common reservoir...
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7052599 |
Method and apparatus for reuse of abrasive fluid used in the manufacture of semiconductors
An apparatus and method recycles the abrasive fluid or slurry effluent used in the polishing step in the manufacture of semiconductors. Agglomerations of abrasive grains built up in the slurry...
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6916424 |
Method and apparatus for a hemodiafiltration delivery module
This invention provides a method and apparatus for a hemodiafiltration delivery module that is used in conjunction with a UF controlled dialysis machine to enable hemodiafiltration therapy to be...
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6908546 |
Apparatus and method for producing purified water having microbiological purity
A process is provided to produce water that will meet the specifications of the United States Pharmacopeia Inc. for Purified Water and Water for Injection, and water for dialysis as circumscribed...
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6881344 |
Method for setting up a dialysis treatment in a dialysis machine
A method of setting up a dialysis treatment in a dialysis machine ( 1 ) provided with a device ( 6 ) for setting up the dialysis treatment, possessing a microprocessor ( 11 ), a data input ( 12, 13...
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6830693 |
Method for setting up a dialysis treatment in a dialysis machine
A method of setting up a dialysis treatment in a dialysis machine may include the steps of determining conditions of a dialysis treatment adapted to a specific patient, determining a first function...
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6821432 |
Measuring apparatus and a measuring method for the determination of parameters of medical fluids
A measuring apparatus for the determination of parameters of medical fluids with a measured region which including a measuring chamber device for receiving a disposable cassette with at least one...
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6811707 |
Dialysis machine and method of checking the functionality of a dialysis machine
A dialysis machine may include a main control unit provided with a memory that stores the parameters of a dialysis treatment carried out on a patient and a plurality of slave control units...
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6780322 |
Hemofiltration system
A multipurpose hemofiltration system ( 10 ) and method are disclosed for the removal of fluid and/or soluble waste from the blood of a patient. The system ( 10 ) continuously monitors the flow...
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6733661 |
Ultrapure water producing apparatus
It is an object of the present invention to provide an ultrapure water producing apparatus with reduced problems resulting from impurities generated after replacement of unit apparatuses. A TOC-UV...
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6623442 |
Dialysis apparatus for independently controlling the concentration of at least two ionic substances inside a patient's body
A dialysis apparatus includes a dialysis liquid circuit for circulating sodium chloride and sodium bicarbonate through a haemodialyzer and a circuit for infusing a patient with at least one...
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6616843 |
Submerged membrane bioreactor for treatment of nitrogen containing water
A single tank submerged membrane bioreactor for treating feed water having unacceptable levels of ammonia or total nitrogen has both a membrane scouring bubble supply and an oxygenating bubble...
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6607697 |
Method and device for supplying ready-to-use dialysis fluid
A method of supplying ready-to-use dialysis fluid in a machine for extracorporeal blood treatment, is described, said machine having, in addition to a dialyzer, at least one sterile filter divided...
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6541272 |
Pulse introduction membrane extraction apparatus and method for separating and analyzing at least one component in a fluid contaminated with the at least one component
An apparatus and method for separating and analyzing a component of a fluid sample that is considered to be a contaminant, and particularly, that is or may be an organic material. The invention is...
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6517708 |
Apparatus for separating oxides of heavy isotopes of hydrogen from water
A process and apparatus for treating the heavy hydrogen isotope content of the contaminated water by contacting the contaminated water with a molecular separation material including a support...
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6506306 |
Method and an apparatus for treating wastewater from a chemical-mechanical polishing process used in chip fabrication
Wastewater from a chemical-mechanical polishing process (CMP) used in semiconductor chip fabrication has hitherto been, and is still being, discharged into the public sewage system after chemical...
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6478969 |
Shear separation method and system
A shear separation system or method uses shear lift forces and permeate drag forces to separate substances having a size less than a predetermined separation size from substances having a size...
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6436281 |
Apparatus for treating wastewater from a chemical-mechanical polishing process used in chip fabrication
Wastewater from a chemical-mechanical polishing process (CMP) used in semiconductor chip fabrication has hitherto been, and is still being, discharged into the public sewage system after chemical...
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6325898 |
Constituent separation system
A device allows for continuous regulation of the composition of a fluid mixture that includes at least two components of different polarities. The device is designed, for example, to be inserted in...
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6315895 |
Dual-stage hemodiafiltration cartridge
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...
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6284131 |
Method and apparatus for kidney dialysis
A number of improvements relating to methods and apparatuses for kidney dialysis are disclosed. These include checking of dialysate bypass status using flow measurement; using a flow sensor to...
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6280632 |
Device and method for preparation of substitution solution
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6190558 |
Reverse osmosis purification system
A reverse osmosis water purification system for providing potable water from a municipal water or other source containing undesired impurities. A motor driven pump supplies a feed stream to a...
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6187199 |
Process and device for determining hemodialysis parameters
A method is described for determining hemodialysis parameters during an extracorporeal blood treatment according to which the blood to be treated in an extracorporeal circulation flows through the...
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6153092 |
Apparatus for separating heavy isotopes of hydrogen from water
An apparatus and method for separating oxides of heavy isotopes of hydrogen (deuterium oxide, oxides of tritium and mixed isotope oxides) from light water (H2O) which is contaminated with these...
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6139724 |
Procedure and device for filtration of fluids using MF modules
A process is described for filtration of fluids, particularly of heterodisperse fluids like beer, in which a cleaning cycle of the MF modules is always carried out when the transmembrane pressure...
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6126834 |
High resistivity water production with controlled water temperatures
An adaptive control method for producing high purity water, the method having the ability to produce high purity water on a continuous basis having a resistivity in the range of 0.8 to 4 megohm-cm....
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6126831 |
Method and device for determining hemodialysis parameters
A device and method are described to determine the concentration of a substance in blood flowing through a blood chamber of a dialyzer during extra corporeal blood treatment. The flow rate of...
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6123847 |
Device and process for regulating the sodium concentration in a dialysis liquid with a view to a prescription
Dialysis apparatus including: structure (14) for preparing a dialysis liquid containing sodium, comprising structure (18) for regulating the sodium concentration; a dialysis liquid circuit...
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6120689 |
High purity water using triple pass reverse osmosis (TPRO)
A method for producing high purity product water using a three pass reverse osmosis system.
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6110384 |
Method of determining a parameter indicative of the progress of an extracorporeal blood treatment
A method is disclosed for determining a parameter (D, K, Kt/v, Cbin) indicative of the effectiveness of an extracorporeal blood treatment carried out using a membrane exchanger. The method includes...
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6083382 |
Water desalination system
A system and method for producing potable water from a brine source uses an Archimedean screw to elevate water to an elevated point. The water is then filtered to desalinate the water through a...
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6017459 |
Apparatus and method for the monitoring of membrane deposition
An in-line apparatus for monitoring membrane deposition is provided having an exterior body that defines an interior compartment for receiving a fluid stream. A coupon rack is positioned in the...
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5997745 |
Method for producing high purity water using triple pass reverse osmosis (TPRO)
A method for producing high purity product water using a three pass reverse osmosis system.
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5958244 |
Cross-flow filtering process for separating fluid from a free-flowing medium and installation for implementing it
For thickening a retentate by means of membrane filtration (ultra-/micro-filtration) to obtain the highest possible wet sludge proportion, a gaseous medium is admixed with the retentate. To this...
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5871639 |
Impurity filtration system for drinking water and monitoring device therefor
A monitoring device for an impurity filtration system of drinking water comprising a microprocessor that controls the overall operations of the monitoring system, a LCD indicating circuit that...
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5865991 |
Monitoring system for a drinking water purification system
A monitoring device for a drinking water purification system comprising a microprocessor that controls the overall operations of the monitoring system, a LCD indicating circuit that relates...
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5851384 |
Apparatus for automatically delivering hemodialysis solution to a plurality of hemodialysis machines
An apparatus for automatically delivering hemodialysis solution to a plurality of hemodialysis machines includes a plurality of supply tanks adapted to be fluidly communicated with a corresponding...
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5849179 |
Automatic apparatus for obtaining equilibration samples of dialysate
An improved on-line, real time hemodialysis monitoring system for hemodialysis treatment, quantitates the rate and amount of a constituent, such as urea, removed during the hemodialysis treating by...
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5820765 |
Apparatus and method for displaying the purifying efficiency of the water purifier
This invention relates to an apparatus for displaying the purifying efficiency of a water purifier. The apparatus is adapted to compare the quality of supplied water with that of purified water and...
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5817231 |
Water purifying and vending apparatus
A water purification apparatus for purifying input water and dispensing a user selected quantity of purified water into a portable container in response to deposit of a predetermined amount of...
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5744031 |
Artificial kidney provided with means for determining characteristics of blood
An artificial kidney includes measurement structure for measuring at least one physical characteristic of a fresh dialysis liquid and of used liquid. The measurement structure are disposed in a...
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5744027 |
Apparatus for kidney dialysis
A number of improvements relating to methods and apparatuses for kidney dialysis are disclosed. These include checking of dialysate bypass status using flow measurement; using a flow sensor to...
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5674397 |
Debubblers
Apparatus for removing air bubbles from blood and from a dialysate solution are described herein. In one cassette-style embodiment of a blood debubbler, the debubbler includes front and rear...
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5662806 |
Hemodialysis monitoring system for hemodialysis machines
An improved on-line real time hemodialysis monitoring system for hemodialysis treatment. The hemodialysis monitoring system quantitates the rate and amount of a constituent, such as urea, removed...
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5660720 |
Connector system for use with reverse osmosis water purifier
A connector system is disclosed for use in connection with a reverse osmosis water purification system. The reverse osmosis water purification system has an inlet line, a drain line, an outlet...
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