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7425265 Vortex-enhanced reverse osmosis filtration device and methods  
Preferred aspects of the present invention relate to advances in rotating, vortex-enhanced reverse osmosis filtration. More particularly, the filtration device and methods incorporate a rotational...
7374677 Two stage hemofiltration that generates replacement fluid  
The present invention relates to a system for two-stage blood dialysis of a patient. In one embodiment, the system comprises a first filtration device for receiving the blood from the patient and...
7282147 Cleaning hollow core membrane fibers using vibration  
A filtration system is provided with hollow membrane filter elements operable to remove solids, particulate and colloidal matter from a process fluid. Acoustic, vibration and ultrasonic energy may...
7220354 Vortex-enhanced filtration devices  
Preferred aspects of the present invention relate to a device for filtration comprising at least one rotor configured to create Taylor vortices on at least one side of a filtration membrane,...
7182867 Shear-enhanced systems and methods for removing waste materials and liquid from the blood  
Systems and methods convey the blood through a gap defined between an inner surface that is located about an axis and an outer surface that is concentric with the inner surface. At least one of the...
7179379 Apparatus for separating particulates from a suspension, and uses thereof  
The present invention includes an apparatus for separating particulates from a fluid in a suspension, comprising: a housing defining a frusto-conically shaped inner chamber with an inner wall, an...
7160454 Membrane filter for water treatment  
The invention relates to a membrane filter for water treatment, comprising a head piece including a permeate collecting chamber with a permeate outlet, and at least one fiber bundle made from...
7122121 Advanced submerged membrane modules, systems and processes  
Advanced submerged membrane systems are provided. Said submerged membrane systems have multiple membrane modules comprising of strips of flat sheet membrane, bundles of self-support hollow fiber...
7083726 Hollow thread film cartridge, hollow thread film module using the cartridge, and tank type filter  
A hollow fiber membrane cartridge wherein a cartridge head and a bottom ring are connected and fixed to each other by means of a plurality of rods or pipes, the hollow portion at the end of each...
7059480 Continuous blood filtration apparatus  
This invention provides a continuous blood filtration apparatus capable of filtering a plurality of blood samples continuous by using blood filter units to prepare plasma or serum samples in a...
6808634 Method and device for cross-flow filtration  
The invention relates to a process for cross-flow filtration with membranes. It is mainly characterized by the membranes being moved relative to each other. The invention also relates to a device...
6708957 Moving aerator for immersed membranes  
One or more aerators move below an area of an assembly of immersed filtering membranes to be aerated. The movement can take various forms including the sweep of a pendulum. Positions in the...
6627080 Flat membrane disk  
The rotary flat membrane disk is constructed in which circular membranes are stretched at both sides of a disk. The disk and the membrane are bonded to each other over the entire periphery by a...
6596164 Rotary flat membrane separation apparatus  
The rotary flat membrane separation apparatus comprises: a plurality of hollow rotary shafts; a plurality of rotary flat membrane disks mounted on each of the plurality of hollow rotary shafts at...
6558544 Pressure vessels for holding cylindrical semipermeable membrane cartridges  
A pressure vessel designed to hold a plurality of cylindrical cartridges in the form of cross-flow semipermeable membrane filtration elements having central permeate tubes that are interconnected...
6558545 System for cross-flow permeation by means of a membrane  
The invention encompasses a system for the cross flow filtration of fluid media using membranes. The system has in a first embodiment two shafts, only one of which is hollow, with each shaft...
6508943 Filtering device and a filtering method  
The present invention refers to a filtering device comprising at least one filtering membrane, at least one counter surface opposite to the filtering membrane, and at least one gap-shaped liquid...
6491819 Method and apparatus for filtering suspension of medical and biological fluids or the like  
An apparatus is disclosed for separating a suspension comprising at least two types of particles which are differently sized or shaped and in which the first type of particle may be deformable at a...
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...
6416665 Filtration apparatus  
A filtration apparatus in which a rotating filter element is concentrically mounted in a hollow conical of cylindrical chamber. The filter element consists of a support and a membrane mounted on...
6416666 Simplified filtration system  
A filtration apparatus includes a container ( 24 ) that surrounds at least one rapidly rotating membrane pack ( 32 , FIG. 2 ) and stationary turbulators ( 36 A, 36 B ) slightly spaced from the...
6319411 Method of maintaining clean vertical skeins of hollow fiber membranes and system therefor  
This invention teaches a system and method to improve the renewal of water being filtered and to prevent the accumulation of solids within a cassette of multiple vertical skeins of hollow fibers...
6300142 Device and apparatus for conducting an assay  
A apparatus for assaying glycated proteins and other analytes in biological samples such as blood, in which a sample is presented to the apparatus, includes an inlet port between moveable between...
6165365 Shear localized filtration system  
A filtration apparatus is provided, of the type that includes a stack of rapidly rotating membrane packs (32, FIG. 2) and a stack of stationary separator elements (36A, 36B) interleaved with the...
6106715 Membrane filtration assembly  
A novel spiral membrane arrangement is disclosed comprising opposing elongate filtration membrane units, spiraled about a base axis and separated by a novel lattice separator having spaced apart...
6099730 Apparatus for treating whole blood comprising concentric cylinders defining an annulus therebetween  
Apparatus for removing substances from blood is disclosed. The apparatus includes concentric cylinders defining an annulus therebetween with the inner cylinder adapted for rotation with respect to...
6080322 Systems and methods for separating high hematocrit red blood cell concentrations  
Blood separation systems and methods utilize a membrane separation device comprising a gap between a microporous membrane and a surface facing the microporous membrane, one of the microporous...
6063297 Method and apparatus for making concentrated plasma and/or tissue sealant  
An inexpensive device with a disposable cartridge for preparing tissue sealant is disclosed. The device is particularly applicable to stat preparation of autologous tissue sealant. A method of...
6045701 Method of filtering a fluid suspension with a membrane having a particular coating  
Novel blood cell fractionation devices are provided. The device utilizes filters coated with high molecular weight polyethylene oxide derivatives cross-linked to prevent leaching from filter...
6017439 Method and apparatus for separating liquid mixtures using intermittent heating  
A liquid mixture is efficiently separated using a separating membrane against which the liquid is sprayed, the membrane being intermittently heated to increase separation without subjecting the...
5989432 Dynamic supported membrane assembly and method of making and using it  
The present invention provides a supported membrane assembly comprising a membrane adhered to a support material by way of a nonwoven web of multicomponent fibers therebetween, wherein the...
5968355 Apparatus for aseptic vortex flow concentration  
An apparatus is provided having a rotor inside a membrane for the aseptic vortex flow concentration of a liquid or semisolid dispersion which has a shed-resistant bearing interface so that unwanted...
5900142 Mass and thermal transfer means for use in heart lung machines, dialyzers, and other applications  
The process, particularly useful in blood oxygenators, whereby a differential velocity between a fluid and a diffusing surface of hollow tubes by a rotating member such that the boundary layer is...
5762791 Systems for separating high hematocrit red blood cell concentrations  
Blood separation systems and methods utilize a membrane separation device comprising a gap between a microporous membrane and a surface facing the microporous membrane, one of the microporous...
5733442 Microdialysis/Microelectrodialysis system  
A microdialysis system for the dialysis of small sample volumes of protein, nucleic acid, peptide, and other biomolecules has been developed. The device may contain a built-in magnet to permit...
5728267 Concentrator for separating small samples in a centrifuge  
A concentrator for concentrating a sample solution including molecules in solution which are larger than their molecular weight cutoff of a membrane in the concentrator. The concentrator has a...
5707517 Immersible rotary disc filtration device  
Rotary disc filtration devices and filtration processes using those devices are disclosed. The devices have one or more fluid filtration gaps into which fluid to be filtered into permeate and...
5639365 Fluid filled and collapsing polymeric filter tube having a supporting sleeve  
A filter consisting of a filter tube of a porous polymeric material having tendency to collapse towards a predetermined flattened configuration and a porous support sleeve disposed around the...
5626759 Blood treatment device with moving membrane  
A medical device and method for affecting mass transfer between blood and a fluid. In one application, this mass transfer is an oxygenation of the blood. Generally, a membrane which separates the...
5277820 Device and method for extracorporeal blood treatment  
Disclosed are preferred devices and methods which provide extracorporeal treatment of blood to effectively and consistently remove toxins therefrom and from patients over extended periods of time.
5275725 Flat separation membrane leaf and rotary separation apparatus containing flat membranes  
The present invention provides a flat separation membrane leaf, which is characterized by consisting of a flat membrane support comprising an inner layer having a coarse structure and surface...
5256288 Filtration medium including substrate-supported porous membrane and method for the manufacture thereof  
A filtration medium especially useful in cross-flow type filtration systems comprising a length of porous strong substrate, preferably woven, and a thin porous membrane, such membrane being bonded...
5254250 Rotary filtration device and filter pack therefor  
A rotary filtration system comprising a device having a fluid filtration gap between a filter and a rotating member (e.g., a disc), a filter pack for use in the rotary filtration device, and a...
5254248 Blood plasma separating apparatus  
A plasma separating apparatus comprising a housing provided with a blood inlet port, a plasma outlet port, and a blood cell outlet port; an rotor rotatably held in the housing; a blood separating...
5188962 Cell cultivating apparatus  
Culture medium is circulated from a culture medium tank, through a first main duct, through a cell cultivating vessel containing therein a bundle of hollow threads, through a second main duct and...
5167823 Oscillatory liquid membrane support  
The described apparatus is a multilayer liquid membrane support structure that can be used in devices for separating or purifying a desired chemical species. A inner layer is sandwiched between two...
5160616 Filtering apparatus  
Filtering apparatus for the separation of microparticles such as bacteria has two planar sheets each with an array of laser drilled or etched pores. One or both of the sheets can be displaced...
5137637 Rotational high flux membrane device  
A spiral wound membrane module for use in separating at least part of one component from a feedstream, the module comprising: a generally-hollow rotatable shaft having a means for supplying a...
5124041 Biomolecule sample immobilization  
A filter system for separating and binding biomolecules contained in a solution includes a first filter means for selectively passing components of the solution that are smaller than the...
5017284 Fluid purifying apparatus and method of purifying fluids  
A liquid purification arrangement comprising a housing having an ambient inlet and lineally extending exhaust passage between the housing wall and a drain pan, the housing having a liquid inlet and...
Matches 1 - 50 out of 80 1 2 >