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7611634 |
Method for monitoring the degree of fouling of a filter
A method of filtering a fluid wherein after filtering a contaminated fluid, which causes the formation of a filter cake, a substantially non-contaminated fluid is fed through the filter cake and...
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7608053 |
Extracorporeal blood processing methods with return-flow alarm
This invention provides a method for controlling a fluid separation system, preferably a blood apheresis system having a leukocyte reduction chamber. The method utilizes a return-flow alarm system....
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7572383 |
Process for filtering a fluid with a compressible filtration media
A high rate, upflow filtration system is described in which a compressible, fibrous lump filtration media is compressed to adjust the porosity and collector size of the media in the bed and to...
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7572377 |
Extracorporeal blood filter system
A blood filter system used for the sequential filtering of blood while actively removing air bubbles and debris comprising a filter housing with unique conical, or cylindrical shape, a flared inlet...
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7569150 |
Dual generator single power source for tandem pool and spa
A sanitizer generation system supplies power to a first and a second sanitizer generator. Each of the sanitizer generators is connected to a body of water by a circulation system. The system...
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7540851 |
Method to control blood and filtrate flowing through an extracorporeal device
A method and apparatus are disclosed for controlling blood flow through an extracorporeal blood circuit having a controller comprising the steps of: withdrawing the blood from a withdrawal blood...
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7537706 |
Microporous diffusion apparatus
Apparatus for active in situ multi-element gas sparging for bioremediation or physico-chemical degration for removal of contaminants in a soil formation containing a subsurface groundwater aquifer...
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7537578 |
Process for controlling blood flow in an extracorporeal blood circuit
Equipment for controlling blood flow in an extracorporeal blood circuit, comprising at least a first sensor, designed to measure an arterial pressure upstream of a peristaltic pump, at least a...
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7530962 |
Method for detecting the disconnection of an extracorporeal device using a patient's endogenous electrical voltages
The present invention describes a system, apparatus, and method for detection of disconnection of a device from a patient, such as dislodgment of a device during medical treatments or therapies,...
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7513882 |
Extracorporeal blood processing methods with multiple alarm levels
This invention provides a method for controlling a fluid separation system, preferably a blood apheresis system having a leukocyte reduction chamber. The method utilizes a three-level alarm system....
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7497944 |
Blood component processing system, apparatus, and method
A system and method are used in connection with processing of blood components. The processing of blood components may involve centrifugal separation and/or filtering of the blood components. In...
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7494590 |
Method of controlling a dialysis apparatus
The present invention relates to a method of controlling a dialysis apparatus, which can be used, e.g., for hemodialysis, hemodiafiltration, or hemofiltration. Numerous alarms occur during...
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7481940 |
Biomass treatment of organic waste or water waste
A method, system, apparatus and program for effecting the decomposition of organic waste material comprises: providing a treatment tank for decomposition of organic waste material, the treatment...
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7473395 |
Hypothermia induction device
A system for rapid induction of indication of hypothermia especially of the heart and brain during cardiac arrest and normal circulation. The device recirculates blood through an extracorporeal...
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7462161 |
Method and apparatus for blood withdrawal and infusion using a pressure controller
A method and apparatus for controlling blood withdrawal and infusion flow rate with the use of a pressure controller. The pressure controller uses pressure targets based upon occlusion limits that...
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7459083 |
Method for controlling fouling of a membrane filter
A membrane bioreactor system includes one or more biological reactors and one or more membrane tanks with each membrane tank having one or more membrane filters. To control membrane fouling,...
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7445719 |
Method and apparatus for collecting pollutants in a body of water
During collection of pollutants having a density lower than that of water and carried by a surface layer of a body of water, water of the surface layer is caused to flow into and through a...
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7438821 |
Liquid filtering method and filtering system
A filtering method which prevents adhesion between an outlet vessel and a filter element and which uses a flexible filter which allows smooth flow of liquid and is superior in filtering...
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7435347 |
Filter device and parts thereof and a method for operating of the filter device
A filter device has a filter housing part ( 10 ) with a filter element ( 12 ) and can be detachably connected to another filter housing part ( 20 ). A valve ( 24 ) clears a fluid path in the...
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7410568 |
Sludge treatment
An apparatus for treating sludge, comprises a press for dewatering the sludge, a compaction device for receiving and compacting sludge dewatered by the press, a shredder for receiving and shredding...
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7410473 |
Blood pump having a disposable blood filter with integrated pressure sensors
An integrated disposable cartridge for dialysis or ultrafiltration treatment of blood includes integral pressure sensors. Sensors are embedded in the blood filter on the cartridge to measure the...
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7399419 |
Modular filtration system
A filter system includes a set of modules, each module including screen assemblies and filter media sandwiched between the screen assemblies. A plurality of control assemblies are associated with...
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7399289 |
Controller for ultrafiltration blood circuit which prevents hypotension by monitoring osmotic pressure in blood
A method and system for the extracorporeal treatment of blood to remove fluid from the fluid overloaded patient is disclosed that non-invasively measures osmotic pressure across a filter membrane...
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7396451 |
Methods and apparatus for blood component separation
A system for separating a composite fluid into component parts thereof, including: a centrifuge having a rotor with a separation space and at least two valve members disposed thereon and a...
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7381336 |
Automated water treatment system and method of use
An automated method for controlling a solids inventory in a continuous backwashing upflow sand filter system treating a liquid inflow having impurities therein, includes the steps of: monitoring an...
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7381335 |
Method and arrangement for continuous filtering of particles out of a liquid
Method and arrangement for continuous filtering of particles out of a contaminated liquid by means of a number of separate filtering units ( 14 ) in order continuously to feed purified liquid to a...
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7374689 |
System and method of gas energy management for particle flotation and separation
A system for separating particles from a contaminated liquid stream includes an apparatus for mixing the liquid with one or more separation enhancement additives and gases. A pressure reducing...
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7341669 |
Filter methods to capture a desired amount of material from a sample suspension for monolayer deposition, analysis or other uses
The present invention is a filter apparatus with methods to capture a desired amount of material suspended in a liquid or gas for monolayer deposition, analysis or other uses. Novel filter devices...
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7338606 |
Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system
An arrangement and method for maintaining a minimum flow velocity in return piping receiving dirty coolant from a plurality of machine tools receiving filtered coolant from a filter apparatus. A...
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7335311 |
Sludge treatment
An apparatus for treating sludge, comprises a press for dewatering the sludge, a compaction device for receiving and compacting sludge dewatered by the press, a shredder for receiving and shredding...
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7329298 |
Filter
A filter for exhaust gases produced by an internal combustion engine, and a method of using such a mat on a vehicle. The filter is a mat of fibers enclosed within a metal gauze. Preferably, the...
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7320760 |
Cleaning efficiency testing method and apparatus for a filter in a filtering system
A method and an apparatus are provided for testing the efficiency of a cleaning procedure for a filter in a filtering system. After the cleaning procedure of the filter, the filter pores contain a...
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7314509 |
Gas liquid phase separator with improved pressure control
A gas/liquid phase separator includes a fluid inlet, a vapor outlet, a liquid outlet, and first and second valves disposed in fluid communication with the liquid outlet. Both valves are...
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7306736 |
Valve mechanism for infusion fluid systems
A method and an apparatus are provided for preventing retrograde flow of fluid, e.g., blood products, into a source of sterile substitution fluid ( 50 ). The apparatus of the present invention...
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7282141 |
Mixer and process controller for use in wastewater treatment processes
A system and method of wastewater treatment in a tank provides large mixing bubbles generated in the lower portion of the tank. In embodiments providing aerobic wastewater treatment, the system...
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7270755 |
Liquid filtration method embodying superbuoyant filtration particles
Presented is a liquid filtering apparatus and method that overcomes the disadvantages encountered with prior bed filtration systems by providing a filtering apparatus that incorporates a...
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7270179 |
Method for stimulation of liquid flow in a well
An improved method of controlled energy delivery utilizing solid, liquid, and gaseous carbon dioxide (CO 2 ) into a water well and the surrounding aquifer to remove deposited material which may...
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7267658 |
Renal replacement therapy device for controlling fluid balance of treated patient
A first flow path is defined within a first panel that forms a part of an extracorporeal fluid circuit. A second flow path is defined within a second panel that also forms a part of the...
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7204930 |
Water purification system and method
An oxidation filtration system for cleaning groundwater, the system having an aeration tower and a filtration tank. Within the filtration tank is an upper chamber and a lower chamber. Contained...
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7186342 |
Method for filling and washing a filter for a dialysis machine
A dialysis machine is provided with a dialysate circuit, a blood circuit and a filter having a dialysate compartment connected to the dialysate circuit, a blood compartment connected to the blood...
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7175809 |
Feedback control of ultrafiltration to prevent hypotension
A method and system for the extracorporeal treatment of blood to remove fluid from the fluid overloaded patient is disclosed that non-invasively measures an oxygen level in the venous blood. The...
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7175769 |
Method of filtering debris from refrigerant
Debris is filtered from refrigerant in a refrigerant system by: (1) installing a filtration apparatus in the high pressure side of a refrigerant system, the apparatus comprising a filtration...
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7169352 |
Extracorporeal blood processing methods and apparatus
This invention provides a method for controlling a fluid separation system, preferably a blood apheresis system having a leukocyte reduction chamber. The method utilizes a three-level alarm system....
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7166229 |
Method and apparatus for extracting liquid present in a humid mass
A system for extracting a liquid by pressing a humid mass, the system including at least one extraction channel, while extraction channel being provided with at least one inlet allowing to feed the...
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7157011 |
Vent for leach field aeration
Pressurized air is flowed from a wastewater leach field conduit into and through the surrounding soil, and then to atmosphere above the soil surface, to enhance biochemical treatment of the...
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7147784 |
Hydraulic or pneumatic drive system, method, and apparatus for a fluid screening system
A drive system for driving a screen in a fluid screening system comprises a hydraulic or pneumatic motor coupled to a drive shaft of the screen. The system is sized to provide the torque required...
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7147613 |
Measurement of fluid pressure in a blood treatment device
A first flow path is defined within a first panel that forms a part of an extracorporeal fluid circuit. A second flow path is defined within a second panel that also forms a part of the...
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7131957 |
Safety device for a blood treatment machine and a method of increasing the safety of a blood treatment machine
A device and method for increasing the safety of an extracorporeal blood treatment machine are based on monitoring transmembrane pressure. The transmembrane pressure measured by a measuring device...
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7122123 |
Method of filtering a fluid with a filter assembly
A filter assembly and a method of filtering a fluid using the filter assembly are disclosed. The filter assembly includes wave coils arranged axially to define a filter element. The filter element...
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7108790 |
Method and apparatus for generating a sterile infusion fluid
An apparatus and method are provided for generating sterile infusion fluid from non-sterile infusion fluid produced by a machine. In one embodiment, the sterile infusion fluid is produced by a...
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