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| Number | Title | Issue Date |
| 7357016 | Process and device for determining viscosity A process and a device for determining the viscosity of a fluid are proposed. Very simple and accurate determination is enabled in that the magnetic particles in the fluid are set into vibration by a magnetic field which varies over time. A measurement of the amplit... | 04/15/2008 |
| 7314596 | Apparatus for sensing coagulation of blood sample A blood sample sensing apparatus includes a moving device which moves a sample container containing a blood sample to a sensing position, a turning mechanism which is connected to the moving device and tilts the sample container such that a bottom of the sample cont... | 01/01/2008 |
| 7276377 | Method and apparatus for determining anticoagulant therapy factors Methods and apparatus are disclosed for determining a new anticoagulant therapy factor (nATF) for monitoring oral anticoagulant therapy to help prevent excessive bleeding or deleterious blood clots that might otherwise occur before, during or after surgery. In one e... | 10/02/2007 |
| 7276376 | Analyzing method of a blood coagulation reaction An analyzing method of a blood coagulation reaction by detecting an optical change of a blood sample with an elapse of time, the method includes: setting at least one checkpoint or check region between a starting point of the blood coagulation reaction and the endpo... | 10/02/2007 |
| 7235213 | System for performing blood coagulation assays and measuring blood clotting times A system for performing a blood coagulation assay, having: a reaction chamber; at least one moveable member configured to mix contents of the reaction chamber; a sensor configured to detect the presence of a blood clot formed in the reaction chamber; and a timer tha... | 06/26/2007 |
| 7211438 | Method and apparatus for predicting the presence of haemostatic dysfunction in a patient sample Methods for predicting the presence of haemostatic dysfunction in a patient from a time-dependent measurement profile include performing a time-dependent measurement on an unknown sample and measuring a respective property over time so as to derive a time-dependent ... | 05/01/2007 |
| 7158693 | Molecular detection using an optical waveguide fixed to a cantilever The invention relates to devices and methods for detecting a ligand in a liquid, based on deflection of one or more microscopic cantilevers. Each cantilever has an optical waveguide fixed thereto or integral therewith. Deflection of the cantilever is detected by ass... | 01/02/2007 |
| 7150996 | Stability assessment of dispersions and emulsions A method and apparatus for determining the stability of dispersions and emulsions accelerates the onset of significant particle agglomeration in a sample by stressing the sample by reducing the height of the interparticle potential energy barrier between the particl... | 12/19/2006 |
| 7117721 | Fluid dose, flow and coagulation sensor for medical instrument In combination, an instrument for determining a characteristic of a biological fluid or a control, and a cuvette for holding a sample of the biological fluid or control, the characteristic of which is to be determined. The instrument comprises a radiation-reflective... | 10/10/2006 |
| 6987898 | Molecular detection using an optical waveguide fixed to a cantilever The invention relates to devices and methods for detecting a ligand in a liquid, based on deflection of one or more microscopic cantilevers. Each cantilever has an optical waveguide fixed thereto or integral therewith. Deflection of the cantilever is detected by ass... | 01/17/2006 |
| 6966692 | Cloud point monitoring device A cloud point monitoring device which includes thermal conductive surface, cooler, temperature sensor, detection volume, detection wall unit, fiber optic cables for transmitting light, lighter emitter, light detector, and a data acquisition and control unit. The clo... | 11/22/2005 |
| 6955923 | Device and method for investigating the flowability of a physiological fluid sample To investigate the flowability of a physiological fluid sample, an uptake passage (12) for the fluid sample (16), an actuator device (18) for the cyclic change in orientation of measuring particles (14) in the fluid sample (16), an... | 10/18/2005 |
| 6827484 | Cloud point monitoring device A cloud point monitoring device which includes thermal conductive surface, cooler, temperature sensor, detection volume, detection wall unit, fiber optic cables for transmitting light, lighter emitter, light detector, and a data acquisition and control unit. The clo... | 12/07/2004 |
| 6773923 | Induced aggregation and agglutination of platelets The invention relates to a method for measuring the aggregation or agglutination of platelets, where a reaction mixture is mixed in a first reaction phase, and is mixed less vigorously or not at all in a second reaction phase following the first, and the measurement... | 08/10/2004 |
| 6575017 | Fluid dose, flow and coagulation sensor for medical instrument In combination, an instrument for determining a characteristic of a biological fluid or a control, and a cuvette for holding a sample of the biological fluid or control, the characteristic of which is to be determined. The instrument comprises a radiation... | 06/10/2003 |
| 6543493 | Optical monitoring processes and apparatus for combined liquid level sensing and quality control An apparatus of measuring both concentration and amount of a liquid in a liquid chemical container is presented, comprising viewing light emanating from a first optical member that is in visual contact with the liquid, the light emanating from the optical... | 04/08/2003 |
| 6451610 | Method and apparatus for coagulation based assays An activated partial thromboplastin time (APTT) test is described which employs fresh, whole blood that has not been anticoagulated. The method employs a disposable cuvette having specific reagents placed therein. A sample of whole blood is introduced int... | 09/17/2002 |
| 6429017 | Method for predicting the presence of haemostatic dysfunction in a patient sample A method which may be used to determine haemostatic dysfunction in a patient is carried out by (a) adding a reagent to a test sample, wherein the test sample includes at least a component of a blood sample from a patient; and then (b) measuring the format... | 08/06/2002 |
| 6200532 | Devices and method for performing blood coagulation assays by piezoelectric sensing A device and method for performing blood coagulation assays, particularly prothrombin times and activated partial thromboplastin times and other clotting parameters are disclosed. The device comprises a disposable strip (containing a sample inlet for samp... | 03/13/2001 |
| 6189370 | Fluid dose, flow and coagulation sensor for medical instrument An instrument for determining a characteristic of a biological fluid or a control includes a radiation-reflective surface, a first source for irradiating the surface, and a first detector for detecting radiation reflected from the surface. A cuvette for u... | 02/20/2001 |
| 6165795 | Methods for performing fibrinogen assays using dry chemical reagents containing ecarin and magnetic particles A method of performing a fibrinogen assay is provided using an assay reagent containing ecarin to give an assay that is insensitive to the presence of heparin and insensitive to hematocrit, while being useful as a point of care assay in both a dry chemist... | 12/26/2000 |
| 6150174 | Method for measurement of whole blood coagulation parameters The present invention provides a method for determining the coagulation propensity of blood wherein a condition in a portion of a blood sample is assessed and related to the onset of coagulation. Apparatus for performing the method is encompassed by the i... | 11/21/2000 |
| 6009419 | Method for predicting cement properties A method of predicting a desired property, such as thickening time, of a cement slurry comprising measuring or determining other properties of a slurry composition and obtaining a predicted value of the desired property by applying values representative o... | 12/28/1999 |
| 5908786 | Blood coagulation monitoring device with liquid crystal and gradient heater A device and method are disclosed for determining whether or not an individual's blood coagulation time is in a normal or abnormal range, and is particularly suitable for measuring prothrombin time and activated partial thromboplastin time coagulation val... | 06/01/1999 |
| 5841023 | Magnet for medical instrument An instrument monitors the coangulation of coagulable fluid blood, blood fraction or a control by combining the coagulable fluid with particles which are affected by a magnetic field so that the particles become suspended relatively freely in the fluid. A... | 11/24/1998 |
| 5792944 | Power supply monitor and control for medical instrument An instrument for determining a characteristic of a biological fluid or a control comprises a radiation-reflective surface, a first source for irradiating the surface, a first detector for detecting radiation reflected from the surface, and a mechanism fo... | 08/11/1998 |
| 5789664 | Fluid dose, flow and coagulation sensor for medical instrument An instrument and a method for determining a characteristic of a biological fluid or control comprise providing a radiation-reflective surface, a source for irradiating the surface, a detector for detecting radiation reflected from the surface, and a cuve... | 08/04/1998 |
| 5616457 | Method and apparatus for the detection and classification of microorganisms in water The method and apparatus for detecting the presence of an organism in a sample of liquid involves collecting an extinction spectrum of liquid sample, deconvoluting the spectrum to obtain a particle size distribution for the sample, comparing the spectrum ... | 04/01/1997 |
| 5576482 | Particulate and free water contamination measuring apparatus A particulate and free water contamination measuring apparatus includes a slide tray adapted for carrying either particulate sample filter elements or free water sample filter elements. The slide tray carrying the filter elements is inserted in a reading ... | 11/19/1996 |
| 5567869 | Method and apparatus for quantitation of relevant blood parameters A method for quantitation of blood parameters comprises the steps: provision of a sample of plasma, serum or blood, entering the sample into a cuvette with an internal dimension less than 1 mm, illuminating the sample by a light source, measuring and reco... | 10/22/1996 |
| 5526111 | Method and apparatus for calculating a coagulation characteristic of a sample of blood a blood fraction or a control A method for calculating a coagulation characteristic of a sample of blood, a blood fraction, or a control comprises generating an output signal indicative of coagulation of the sample, sampling the output signal at a sampling rate for a predetermined tim... | 06/11/1996 |
| 5522255 | Fluid dose, flow and coagulation sensor for medical instrument An instrument and a method for determining a coagulation characteristic of blood, a blood fraction or a control comprise a radiation-reflective surface, a first source for irradiating the surface, and a first detector for detecting radiation reflected fro... | 06/04/1996 |
| 5447440 | Apparatus for assaying viscosity changes in fluid samples and method of conducting same The present invention relates to an apparatus for conducting a variety of assays that are responsive to a change in the viscosity of a sample fluid and relates to methods of conducting such assays. In particular, the present invention is related to the us... | 09/05/1995 |
| 5396790 | Method and apparatus for the rapid determination of water-cement ratios An improved turbidimeter apparatus (10) is provided for accurate, rapid, field testing of fresh concrete mixes in order to determine the water-cement ratios thereof. The apparatus (10) includes an upright sieve chamber (12) adapted to receive a concrete s... | 03/14/1995 |
| 5350676 | Method for performing fibrinogen assays using dry chemical reagents containing magnetic particles An apparatus and a method for performing a fibrinogen assay are disclosed. The reaction slide bears a sample well for receiving a liquid sample and a reaction chamber in fluid communication with the sample well. The reaction chamber contains a dry reagent... | 09/27/1994 |
| 5306641 | Apparatus and method for determining gel rate of polymerizable compositions Apparatus and methods for accurately determining the gel time of oxygen inhibited polymerizable compositions is provided. Gel times in these compositions are related to dissolved oxygen concentration. The inventive method and apparatus use a small diamete... | 04/26/1994 |
| 5298224 | Apparatus for determination of the coagulation time of a blood sample With a blood measuring apparatus according to the invention, which uses capillary tubes (16, 17), these can be filled with blood from a drop of blood of about 1 microliter. This small amount of blood can be produced by the pricking of a finger. The blood ... | 03/29/1994 |
| 5272092 | Method for analyzing a reaction solution A plurality of reaction containers each being charged with an agitation ball made of a magnetic material are circularly arranged on a reaction disk so as to be supplied with a reagent and a sample. The reaction disk is driven reciprocatingly at a small am... | 12/21/1993 |
| 5172193 | Method of predicting cut-time of milk coagulum in cheese-making process An apparatus for predicting milk coagulum cut-time in a cheese making process includes a light source, a sensor or detector for sensing diffuse reflectance of light from said milk and a controller for analyzing the diffuse reflectance and accurately predi... | 12/15/1992 |
| 5167145 | Measurement of blood coagulation time using infrared electromagnetic energy A method and apparatus for detection of blood coagulation using infrared electromagnetic transmission changes through a sample from a source of infrared energy to suitable detection electronics producing a peak signal representative of the clotting time.... | 12/01/1992 |
