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7588692 |
Methods for separation of particles
The present invention is directed to a method and system that separates first particles from second particles, or white blood cells from red blood cells, by sedimentation in a fluid chamber with...
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7470371 |
Methods and apparatus for isolating platelets from blood
A platelet collection device comprising a centrifugal spin-separator container with a cavity having a longitudinal inner surface. A float in the cavity has a base, a platelet collection surface...
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7396452 |
Apparatus for determining flow rates of biological fluids
An apparatus comprises an inlet to convey a first fluid comprising first and second components having different density into a rotating chamber such that an interface forms between at least...
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7374678 |
Apparatus and method for separating and concentrating fluids containing multiple components
An apparatus that allows for separating and collecting a fraction of a sample. The apparatus, when used with a centrifuge, allows for the creation of at least three fractions in the apparatus. It...
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7297272 |
Separation apparatus and method
A separation apparatus and method are employed using a separation channel for rotation about an axis. Such channel includes radially spaced apart inner and outer side wall portions and an end wall...
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7241281 |
Blood component separation method and apparatus
An apparatus and method for collecting whole blood and then separating it into components for subsequent use or storage. A self-contained bag set is used to collect the sample, which may then be...
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7201848 |
Methods and apparatus for separation of particles
The present invention is directed to a method and system that separates first particles from second particles, or white blood cells from red blood cells, by sedimentation in a fluid chamber with...
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7186231 |
Blood component collection method
An object is to provide a blood component collection system capable of collecting a desired blood component of high quality. A blood component collection system 1 comprises a centrifugal...
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7166231 |
Red blood cell separation method
A method for centrifugally separating whole blood into red blood cells and a plasma constituent rotates about a rotational axis a separation zone having radially spaced apart walls with a high-G...
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7115205 |
Method of simultaneous blood collection and separation using a continuous flow centrifuge having a separation channel
A system for automatically collecting and separating whole blood into its components is described. The system includes a console, which contains all motors, pumps, sensors, valves and control...
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7097774 |
Method for processing a blood product with a bag set having a multi-way connector
The claimed invention refers to a centrifuge intended for processing blood and blood components and with its function based on the effective utilisation of ring type blood processing bags with...
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7087177 |
Methods for determining flow rates of biological fluids
A separation method comprises introducing a first fluid comprising first and second components having different density into a centrifugal field and allowing an interface to form between at least...
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6899666 |
Blood processing systems and methods
Systems and methods centrifugally separate whole blood into red blood cells, plasma, and a platelet concentrate. The systems and methods rotate a first rotating separation zone about a rotational...
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6878105 |
Red blood cell processing systems and methods with deliberate under spill of red blood cells
Collection systems and methods use a separation chamber that receives blood or a suspension containing red blood cells and performs a separation process including separation of red blood cells from...
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6849039 |
Blood processing systems and methods for collecting plasma free or essentially free of cellular blood components
Blood separation systems and methods introduce blood into an annular separation channel between a low-G wall and a high-G wall while rotating the separation channel about an axis, for separation of...
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6835316 |
Clam shell blood reservoir holder with index line
A rotatable rotor for separating components contained in a fluid, comprising an annular base having a first annular channel and an annular cover having a second annular channel for holding a...
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6811655 |
Apparatus for preparing paper pulp from used paper
The invention concerns a method and an equipment for combining in one single apparatus, the functions for filtering, decontaminating, and thickening paper pulp from used paper, while providing the...
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6780333 |
Centrifugation pheresis method
A method of processing blood establishes communication between a donor and a blood flow path and pumps whole blood from the donor into a container through the blood flow path. The method...
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6758804 |
Method and apparatus for unloading gradients
Devices and methods for removing portions of gradients relate to a float with an upper concave surface for collecting the gradient portion.
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6749757 |
Method and apparatus for removing hydrocarbons from water
An improved production water treatment system and method are disclosed. The treatment apparatus includes a vertically oriented vessel with tangentially disposed injection nozzles including one or...
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6649072 |
Method for producing autologous platelet-rich plasma
A novel method for producing an autologous platelet rich blood composition is described. The resulting blood composition is useful in procedures for enhancing bone fusion, hemostasis, and repairing...
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6579219 |
Centrifuge bag and methods of use
A method of harvesting a predetermined component contained in a fluid, comprising adding an aliquot of said fluid via the inlet tube of a rotating centrifuge container comprising at least one inlet...
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6537503 |
Device and method for separating components of a fluid sample
A device and method is provided for separating heavier and lighter fractions of a fluid sample. The device includes a collection tube, a flowable liquid separation medium and a deformable...
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6497823 |
Method for processing a biological fluid
A method for processing a biological fluid comprises the steps of collecting platelet-rich plasma (PRP) in a container containing a complement filter, centrifuging the PRP in the container to...
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6465256 |
Device and method for separating components of a fluid sample
A device and method for separating heavier and lighter phases of a fluid sample is described. The fluid separation device includes an elongate collection tube accommodating the fluids, and a...
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6436298 |
Apparatus and method for separating a mixture of a less dense liquid and a more dense liquid
A method and apparatus for providing a preliminary separation of production fluid. A vessel ( 1 ) has an annular inlet ( 5 ) opening upwardly at the bottom of the vessel. The inlet has means ( 4 )...
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6398972 |
Method for producing platelet rich plasma and/or platelet concentrate
Platelet rich plasma and/or platelet concentrate is prepared by placing whole blood in a first chamber of a sterile processing disposable having two chambers. The processing disposable is subjected...
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6361692 |
On line blood processing system for obtaining for storage a blood suspension having a reduced residual leukocyte population
Blood processing systems and methods establish on line communication between a container and a source of blood containing leukocytes and platelets, such as a human donor. The systems and methods...
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6348156 |
Blood processing systems and methods with sensors to detect contamination due to presence of cellular components or dilution due to presence of plasma
Blood processing systems and methods employ two sensors, one to detect a condition of plasma exiting a separation device and another sensor to detect a condition of a cellular component exiting the...
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6334991 |
Purification of sulfur by means of centrifugation
A sulfur purification process is provided. Ash-containing molten sulfur is fed to a centrifuge and subjected to centrifugation under controlled conditions at G forces at least about 4,000 times...
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6315707 |
Systems and methods for seperating blood in a rotating field
Systems and methods for efficiently separating blood in a rotating field convey blood into a blood separation chamber through an inlet passage for separation into a blood component. The systems and...
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6251284 |
Systems and methods which obtain a uniform targeted volume of concentrated red blood cells in diverse donor populations
Blood separation systems and methods draw whole blood from a blood donor selected from a population of blood donors. The whole blood of the selected blood donor has a known hematocrit value that...
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6238578 |
Method for dispensing separator gel in a blood collection tube
A method of dispensing gel for separation of the serum and coagulum portions of a blood sample in a blood collection tube is disclosed. The present invention of dispensing the gel preferably...
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6153113 |
Method for using ligands in particle separation
A system and method are disclosed for separating particles having different sedimentation velocities. The system includes a container containing a binding substance including first particles and...
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6126839 |
Use of an alcohol-salt buffer wash for the efficient recovery of mycobacteria and mycobacterial DNA from respiratory sediment
The present invention relates to methods for concentrating bacteria from a viscous biological sample. The methods involve adding to the sample a water-soluble, density-lowering agent having a...
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6110995 |
Process for preparing novel high solids non-aqueous polymer compositions
The use of falling-film evaporation and a concentration means such as centrifugal separation to dehydrate and concentrate a water-in-oil polymer emulsion or suspension is disclosed. In a preferred...
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6096806 |
Storage stable autodepositable dispersions of epoxy resins and processes therefor and therewith
Epoxy resins, particularly those based on bisphenol A, can constitute the principal film forming polymer component of a storage stable autodepositable composition wherein the particle size...
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6074883 |
Method for using disposable blood tube holder
A carrier tube system and method for using the same includes a carrier tube that is configured to receive a capillary blood tube, and a cap which seals the carrier tube to isolate the blood in the...
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6071423 |
Methods of collecting a blood plasma constituent
A system and method of separation of therapeutic components from blood. The system includes a dual member centrifuge and a disposable single use fluid transfer set. The set includes an elongated...
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6071422 |
Particle separation method and apparatus
An apparatus and method are disclosed for filtering or separating particles. The apparatus has a centrifuge rotor rotatable about an axis of rotation. A fluid chamber rotates with the rotor. A...
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6071421 |
Systems and methods for obtaining a platelet suspension having a reduced number of leukocytes
Systems and methods obtain a platelet suspension with reduced number of leukocytes by centrifugally separating whole blood into red blood cells, a suspension of platelets, and an intermediate layer...
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6051147 |
Methods for on line finishing of cellular blood products like platelets harvested for therapeutic purposes
Blood processing systems and methods establish on line communication between a container and a source of blood containing leukocytes and platelets, such as a human donor. The systems and methods...
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6051146 |
Methods for separation of particles
A system and method are disclosed for separating particles having different sedimentation velocities. The system includes a fluid chamber for separating the particles form one another. Conduits are...
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5980760 |
System and methods for harvesting mononuclear cells by recirculation of packed red blood cells
A blood separation system operates in a first mode to convey whole blood into the inlet region of a blood processing chamber for centrifugal separation into packed red blood cells, a plasma...
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5976388 |
Method and apparatus for autologous blood salvage
An improved autologous blood salvage system is provided in which blood is removed from a patient and may be processed in a manner wherein an anticoagulant solution is for cycled for reuse. Further,...
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5951877 |
Particle filter method
An apparatus and method are disclosed for filtering or separating particles. The apparatus has a motor coupled to a centrifuge rotor rotatable about an axis of rotation. A fluid chamber rotates...
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5948278 |
System and method for enrichment of rare cell population from whole blood samples
A method for enriching rare cell populations from a whole blood sample by separating rare cell fractions from whole blood sample according to the relative charge density and/or the relative binding...
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5919419 |
Analyzer cuvette, method and diagnostic test kit for determination of analytes in whole blood samples
The present invention relates to a specific cuvette, an assay method and a diagnostic test kit where samples of whole blood can be used for quantitative diagnostic testing without need for...
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5906744 |
Tube for preparing a plasma specimen for diagnostic assays and method of making thereof
A collection device for plasma preparation for diagnostic assays. The device comprises a spray-dried anticoagulant formulation on the interior surface of the device and a thixotropic polymeric gel....
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5900377 |
Method for isolating and radiolabeling leukocytes for use in vivo
Disclosed is a method for separating leukocytes from platelets. Blood serum is added to a centrifuge tube. A suspension containing leukocytes and platelets is then added to form a layer on top of...
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