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| Number | Title | Issue Date |
| 8133738 | Method and apparatus for determining the hematocrit of a blood sample utilizing the intrinsic pigmentation of hemoglobin contained within the red blood cells A method for determining the hematocrit of a blood sample is provided that includes the steps of: 1) depositing the sample into an analysis chamber adapted to quiescently hold the sample for analysis, the chamber defined by the interior surfaces of first and second ... | 03/13/2012 |
| 8048678 | Cell separation method and apparatus Disclosed herein are apparatus and methods for isolating a fraction of interest from a physiological fluid sample. A sample holder for isolating a fraction of interest from a physiological fluid sample includes a flexible compartment and a rigid exoskeleton that sup... | 11/01/2011 |
| 7951599 | Method and apparatus for determining the hematocrit of a blood sample utilizing the intrinsic pigmentation of hemoglobin contained within the red blood cells A method for determining the hematocrit of a blood sample is provided that includes the steps of: 1) depositing the sample into an analysis chamber operable to quiescently hold the sample for analysis, the chamber defined by the interior surfaces of first and second... | 05/31/2011 |
| 7943386 | Apparatus and method for determining the volume fractions of the phases in a suspension An apparatus for determining the volume fractions of the phases in a suspension includes a body, a channel structure, which is formed in the body, and an inlet area and a blind channel, which is fluidically connected to and capable of being filled via the same. Furt... | 05/17/2011 |
| 7803628 | Device for measuring pressure In a device for measuring the pressure of a medium, in particular a liquid medium, the device including a measuring chamber through which the medium can flow and which has at least one elastically deformable wall, at least one wall that is more rigid by comparison t... | 09/28/2010 |
| 7767460 | Blood collection tube with surfactant Improvements in blood collection and testing. In one aspect, an improved method of manufacturing a blood collection tube, particularly illustrated for use in sedimentation rate testing, including providing an elongated glass tube with an open first end for receiving... | 08/03/2010 |
| 7608457 | Blood collection and testing improvements Improvements in blood collection and testing. In one aspect, an improved method of manufacturing a blood collection tube, particularly illustrated for use in sedimentation rate testing, including providing an elongated glass tube with an open first end for receiving... | 10/27/2009 |
| 7541191 | Integrated apparatus for hematological analysis and related method Integrated apparatus and method for hematological analyses, wherein the apparatus comprises, arranged substantially in line and integrated substantially in a single machine, a device (14) of the optical type to detect substantially instantaneously the speed o... | 06/02/2009 |
| 7422903 | Multi-analyte reference solutions The present invention provides a reference solution for use in instruments that determine hematocrit levels in biological samples by measuring the resistance and/or conductivity of the biological samples. A reference solution according to the invention achieves cond... | 09/09/2008 |
| 7419832 | Blood collection tube with surfactant Improvements in blood collection and testing. In one aspect, an improved method of manufacturing a blood collection tube, particularly illustrated for use in sedimentation rate testing, including providing an elongated glass tube with an open first end for receiving... | 09/02/2008 |
| 7361512 | Low hemoglobin concentration cell percentage and method of use in detection of iron deficiency A method of producing low hemoglobin concentration cell percentage (LHCC %) and the method of use for detection of iron deficiency have been disclosed. LHCC % is a sigmoid function of mean cell hemoglobin concentration (MCHC), which correlates linearly with hypochro... | 04/22/2008 |
| 7361510 | Methods of detection of iron deficiency New diagnostic indexes and the method of use for detection of iron deficiency have been disclosed. These include a logistic function of mean cell hemoglobin (MCH) and mean cell volume (MCV), and a logistic function of mean cell hemoglobin concentration (MCHC) and MC... | 04/22/2008 |
| 7335339 | Disposable apparatus for use in blood testing A disposable apparatus for use in blood testing and being adapted for simultaneous dilution of a blood sample into two different dilution ratios, said apparatus including a block-shaped housing having integrated therein a first and a second receptacle, one of which ... | 02/26/2008 |
| 7309607 | Method and device for monitoring platelet function The invention provides a method of monitoring platelet function in a mammal by passing blood removed from the body of the mammal through a passageway to contact an obstruction or irregularity in the passageway to generate a platelet mass in the passageway, and monit... | 12/18/2007 |
| 7303667 | Blood dialysis apparatus having convenient controlling unit A hemodialysis apparatus that carries out hemodialysis treatment by controlling dialysis conditions, wherein the hemodialysis treatment is carried out under dialysis conditions determined by defining the course of said chronological target blood indication level as ... | 12/04/2007 |
| 7294312 | Test cartridge holder for blood samples Improved methods and apparatus that make more accurate and reduces risk of filling reaction chambers of cartridge cells with blood samples to conduct blood coagulation tests of the type employing the plunger technique are disclosed. A cartridge holder is provided th... | 11/13/2007 |
| 7294513 | Method and apparatus for characterizing solutions of small particles A method and apparatus is described by which means molecules in suspension may be characterized in terms of the size and mass distributions present. As a sample solution is separated by centrifugal means, it is illuminated at a particular radial distance from the ax... | 11/13/2007 |
| 7241378 | Hemodialysis apparatus A hemodialysis apparatus includes means for measuring or calculating a blood volume or a blood volume change as a blood index level, a hemodialysis means, and a controlling means that controls hemodialysis conditions of the hemodialysis means according to the blood ... | 07/10/2007 |
| 7125644 | Systems and methods for storing data on an optical disk Optical disks include machine readable data that is written with dye that is invisible to the naked eye and a laser-imagable coating that forms marks that are visible to the naked eye. ... | 10/24/2006 |
| 7115421 | Method and device for measurement of hematocrit Hematocrit in a blood sample is visualized by separating blood plasma from red blood cells in the blood sample on an absorbent substrate provided with a blood plasma soluble dye. Methods and devices to achieve the visualization are described. ... | 10/03/2006 |
| 7018843 | Instrument A method and apparatus for performing a first measurement on a biological fluid or control, which first measurement varies with both the concentration of a first component and at least one of the presence and concentration of a second component. The method and appar... | 03/28/2006 |
| 6995019 | Fluorescent isothiocyanate (fitc) sinistrin, its production and use The invention concerns fluorescein isothiocyanate-sinistrin (FITC-sinistrin), a method for its production, its use as a marker substance in a diagnostic agent and a corresponding diagnostic agent. ... | 02/07/2006 |
| 6974701 | Erythrocyte sedimentation rate (ESR) test measurement instrument of unitary design and method of using the same An erythrocyte sedimentation rate (ESR) measurement instrument having a Blood Collection Configuration and an ESR Measurement Configuration. The ESR measurement instrument includes a sedimentation measurement tube having an hollow interior volume containing a predet... | 12/13/2005 |
| 6933109 | Rapid particle detection Methods and reagents for rapid purification and/or identification of particles in a liquid sample are described. The technique uses centrifugation to concentrate particles against a slanted surface having an agent specifically binding to the particles. This method i... | 08/23/2005 |
| 6916662 | Performance improvement for hematology analysis A method for determining the value of MCV of a fresh sample of blood when the value of MCV for that sample of blood is known, but the period of time that the sample of blood has been stored is not known. The method of this invention allows an automated hematology an... | 07/12/2005 |
| 6902934 | Methods for identifying optimizing catalysts in parallel-flow microreactors A chemical processing microsystem useful for identifying and optimizing, materials (e.g., catalysts) that enhance chemical processes or for characterizing and/or optimizing chemical processes is disclosed. The chemical processing microsystem comprises a plurality of... | 06/07/2005 |
| 6709869 | Devices and methods for using centripetal acceleration to drive fluid movement in a microfluidics system This invention relates to methods and apparatus for performing microanalytic and microsynthetic analyses and procedures. The invention provides a microsystem platform and a micromanipulation device for manipulating the platform that utilizes the centripetal force re... | 03/23/2004 |
| 6702987 | Bioactive porous partition members The present invention provides bioactive porous partition members for use in connection with studies or tests of the blood coagulation process, wherein the porous partition members have an aperture and have incorporated therein at least one agent capable ... | 03/09/2004 |
| 6689616 | Dye-polysaccharide conjugates and their use as a diagnostic agent New dye-polysaccharide and dye-cyclosaccharide conjugates and their use as a diagnostic agent especially for determining the glomerular filtration rate in humans.... | 02/10/2004 |
| 6632679 | Method to determine the speed of sedimentation of blood and other parameters correlated thereto, and relative apparatus Method and apparatus to determine the speed of sedimentation of blood and other parameters connected thereto, said method being carried out by detecting the development over time of the optical density, or absorbance, of a sample of blood, said sample bei... | 10/14/2003 |
| 6599475 | Apparatus for producing thin liquid samples for microscopic analysis The present invention relates to the field of diagnostics by means of microscopic sample analysis, and specifically relates to a method and apparatus for preparing thin microscopic samples of liquids, and in particular monolayers of red blood cells.... | 07/29/2003 |
| 6544793 | Method for calibrating a sample analyzer The present invention relates to the field of quantitative microspectroscopy, and in particular to a method for calibrating a sample analyzer to obtain a more precise HCT value.... | 04/08/2003 |
| 6531321 | Blood control and system for erythrocyte sedimentation measurement A control and system for blood testing, including a control having stabilized blood cells that have been introduced into a suspension including an aggregating agent and preferably a surfactant. The control and system is used advantageously for indirect ac... | 03/11/2003 |
| 6514766 | Modified erythrocyte sedimentation rate Methods for enhancing the value of the traditional erythrocyte sedimentation rate (ESR) test are provided by including an ESR-modifying agent, such as a metal ion, in the sample. Results of the resulting modified ESR are correlated with the health status ... | 02/04/2003 |
| 6506606 | Method and apparatus for determining erythrocyte sedimentation rate and hematocrit A method and apparatus is disclosed for determining the erythrocyte sedimentation rate and hematocrit simultaneously with the centrifugation of whole blood. A centrifuge separates the whole blood into its erythrocytes and its fluid portion. A video camera... | 01/14/2003 |
| 6475372 | Electrochemical methods and devices for use in the determination of hematocrit corrected analyte concentrations Methods and devices for determining the concentration of an analyte in a physiological sample are provided. In the subject methods, the physiological sample is introduced into an electrochemical cell having a working and reference electrode. A first elect... | 11/05/2002 |
| 6468803 | Method for calibrating a sample analyzer The present invention relates to the field of quantitative microspectroscopy, and in particular to a method for calibrating a sample analyzer, which is preferably a disposable sample analyzer.... | 10/22/2002 |
| 6406672 | Plasma retention structure providing internal flow A capillary hematocrit separation structure is included within a housing having a fluid inlet port, a reaction region, and a capillary pathway connecting the inlet port and the reaction region. The capillary pathway is dimensioned so that the driving forc... | 06/18/2002 |
| 6387327 | Apparatus for the preparation and the performance of sedimentation velocity tests on organic liquids and other substances On a base structure (101, 103), an assembly (104) oscillates about a horizontal axis (X--X) between two limit positions; on said assembly, a rotor (106) is capable of rotating about an axis (Y--Y) of rotation orthogonal to said horizontal axis (X--X) and ... | 05/14/2002 |
| 6365104 | Assembly for analyzing blood samples An improved system can be used to examine a centrifuged sample of anticoagulated whole blood for evidence of blood borne rare events such as: circulating cancer cells; malarial parasites; other hemato-parasites; bacteria; and the like; and can also be use... | 04/02/2002 |
