| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 435287700 | Including bibulous or absorbent layer | 26 |
| 20080299648 | Diagnostic kit - The present invention relates to a diagnostic kit and more specifically to a self contained diagnostic kit providing analysis of a sample by a sample collectin element and an immunochromatography test strip. | 12-04-2008 |
| 20090087902 | METHODS AND COMPOSITIONS FOR RAPIDLY DETECTING AND QUANTIFYING VIABLE LEGIONELLA - Methods and compositions detect and quantify viable | 04-02-2009 |
| 20090098644 | DIAGNOSTIC TEST UNIT WITH A CONTAINER FOR TEST CARRIERS - The invention concerns a diagnostic test unit for analysing a body fluid comprising a test carrier (test tape | 04-16-2009 |
| 20090181451 | SPECIMEN SAMPLE COLLECTION DEVICE AND TEST SYSTEM - A specimen sample collection device and test system includes a handle having a sufficiency indicator, an absorbent pad partially contained within said handle, a pad compression tube insertable over said absorbent pad within said handle and around an end of said handle, and a collection tube having one or more sample chambers, attachable to said pad compression tube, and wherein said compression tube defines one or more chambers, and wherein when said collection tube is attached to said pad compression tube, the chambers are in fluid communication with said pad compression tube. A specimen sample collection device including a sufficiency indicator made up of a light pipe indicator window. A specimen sample collection device including an absorbent pad split and divided into two lengths connected at a base. A specimen sample collection device including a bar code identification. A specimen sample collection device and test system including a locking mechanism. A specimen sample collection device including a handle having one or more analyte test strips therein. A specimen sample collection device and test system including a reader. | 07-16-2009 |
| 20090269838 | Dry analysis element - There is provided a dry analysis element including, on a transparent support, a reagent layer including a gelatin thin film containing at least a water absorbing polymer. The dry analysis element is capable of analyzing, for example, a biological material in a liquid sample rapidly and simply, and a development layer is not required to be provided therein. | 10-29-2009 |
| 20090317900 | CHROMATOGRAPHY DEVICE - A chromatography device includes a sample introducing portion for introducing a sample in a liquid state and provided at an upstream side of a flow of the sample, a developing means including a creatinine detecting portion, at which a creatinine detection reagent for detecting creatinine in the sample is provided, and a substance-to-be-detected detecting portion, at which a substance-to-be-detected detecting reagent for detecting a substance included in the sample is provided, and a liquid absorbing portion for absorbing liquid included in the sample in order to allow the sample to flow to a down stream side towards the liquid absorbing portion, wherein the sample introducing portion, the developing means and the water absorbing portion are provided on a board in this order from the upstream side to the downstream side in order to quantify the substance, which is included in the sample and which is to be detected. | 12-24-2009 |
| 20100124778 | Forensic Test Strip and Method for the Detection of Semen - The present invention relates to a forensic test strip and method for the detection of semen. This strip is comprised of a paper element coated with reagents which react to the presence of acid phosphatase (AP), an enzyme found in semen, and is sandwiched between a clear plastic cover and an opaque plastic backing. This assembly is peeled apart, the paper element exposed to a source of semen, and the clear cover replaced. A positive test is characterized by a bright purple color, which easily can be seen through the clear cover. An adhesive backing is provided, which allows an investigator conveniently to affix the test strip directly to a notebook. | 05-20-2010 |
| 20100311154 | TEST STRIP DESIGNED TO IMPROVE SPREADABILITY OF BLOOD - Disclosed is a test strip for measuring medical data, in which a hydrophilic material is introduced to improve the spreadability of blood. Having the structure comprising a blood-filtering layer designed to filter off either or both of erythrocytes and low-density lipoprotein (LDL) cholesterol from an applied blood sample; a reaction layer in which the blood sample free of erythrocytes and/or low-density lipoprotein (LDL) cholesterol is reacted with an reagent, and a hydrophilic material, intercalated between the blood-filtering layer and the reaction layer, for uniformly spreading the blood sample filtered through the filtering layer, the blood-filtering layer and the reaction layer being stacked between the lower support and the upper cover, the test strip prevents the infiltration of erythrocytes into the reaction layer and improves the spreadability of blood to reduce measurement errors, thus bringing about higher reproducibility. | 12-09-2010 |
| 20110070634 | BIOSENSOR - An inexpensive biosensor is provided that can realize an electrochemical analysis and perform measurement with high accuracy or convenience. The biosensor is an immunological sensor that enables measurement anywhere at anytime by anyone while keeping convenience. The biosensor includes: an electrode sensor unit | 03-24-2011 |
| 20120094369 | Test Material, Cassette and Meter for Using the Test Material - A test material for providing an indication of a substance in a sample applied to the test material, the test material comprising: an elongate, flexible, substrate; and a plurality of test sites arranged along the substrate, wherein each test site comprises one or more test reagents, and wherein the one or more test reagents are operable to produce said indication, a cassette for housing such a test material and a test meter. | 04-19-2012 |
| 20120100601 | Analyte Measurement Devices and Systems, and Components and Methods Related Thereto - In some aspects, a modular analyte measurement system having a replaceable strip port module is provided to permit contaminated modules to be replaced. Some aspects of the present disclosure related to barriers for strip ports or the sealing of strip ports and/or analyte measurement devices to maintain a clean strip port and/or enable the strip port to be cleaned for reuse. Cleaning tools are also provided. Also provided are strip port interfaces that guide fluid away from the strip port opening, as well as absorptive elements that prevent fluid from entering a strip port. Analyte measurement devices with gravity sensors or accelerometers are also provided, along with methods related thereto. Also provided are docking station that serve as an information server and provides storage and recharging capabilities. | 04-26-2012 |
| 20130244316 | PAPER STRIP FOR DETERMINING MINIMUM INHIBITORY CONCENTRATIONS OF ANTIBIOTICS - An article for determining a minimum inhibitory concentration of antibiotics. The article has a strip of paper in which the strip of paper is permeable to air so as to prevent air bubbles from forming at a point of contact with a microbial culture medium. The strip of paper has a predetermined concentration gradient of an antibacterial agent graded on a scale of fifteen dilution units. The antibacterial agent on the strip of paper is releasable slowly from the strip of paper. The scale of fifteen dilution units can he expressed on a color scale and can be expressed in μg/mL. The strip of paper is impregnated with the antibacterial agent. | 09-19-2013 |
| 20130309760 | Assay Device - The present invention relates generally to an assay device with improved tolerance to mishandling and/or use by the user. More particularly, the invention relates to an assay device with reduced susceptibility to flooding. | 11-21-2013 |
| 20140178978 | DISTANCE-BASED QUANTITATIVE ANALYSIS USING A CAPILLARITY-BASED ANALYTICAL DEVICE - Apparatus for quantitative analytical measurements using capillarity-based analytical devices is described. Porous cellulose (i.e., common filter paper) may be used as the reagent carrier for the analyses. Hydrophobic materials may be printed onto the paper to generate paths that restrict liquid flow by capillary action to defined regions. At least one colorimetric reagents effective for reacting with a specific analyte is deposited along a capillary flow path generated in the device. Upon placing the liquid containing the analyte on one end of the path, the liquid moves along the circuit by capillary action, and the flowing analyte reacts with reagent generating color along the flow path until all of the analyte is consumed. Analyte quantification is achieved by measuring the length of the colored portion along a flow path employing a direct-reading measurement scale. Analyses are demonstrated for chemical detection modalities including: enzymatic action, metal complexation, and nanoparticle aggregation, but the present apparatus may be used for a wide range of analytes. | 06-26-2014 |
| 20140315285 | LIGNOCELLULOSIC DETECTION DEVICE - A lignocellulosic detection device includes a lignocellulosic substrate and at least one detection reagent absorbed/coated to lignocellulosic tissue of the lignocellulosic substrate. A liquid specimen is in contact with the lignocellulosic substrate so as to be absorbed to the lignocellulosic tissue of the lignocellulosic substrate by capillary action and react with the detection reagent to achieve specimen detection. The lignocellulosic detection device of the present invention is provided with inherent advantages of the lignocellulosic substrate such as natural material, low cost, easy manipulation and capillary effect and results in a good preventive diagnosis platform. Also, users may achieve preventive disease diagnosis without spending additional time and/or money. | 10-23-2014 |
| 20150044761 | FOOD SAFETY DETECTION DEVICE AND MANUFACTURING METHOD FOR THE SAME - A food safety detection device includes a xylem fiber substrate, which is configured with a sampling portion and a reaction portion. The reaction portion includes at least one chemical reagent. The sampling portion absorbs a test sample. The test sample moves on the xylem fiber substrate to the reaction portion and reacts with the chemical reagent. A manufacturing method for the food safety detection device is also disclosed. The food safety detection device is advantageous for easy operation, safety and rapid analysis. | 02-12-2015 |
| 20150079669 | CRITICAL POINT DRYING OF HYDROGELS IN ANALYTE SENSORS - A hydrogel is dried by a critical point drying technique. The hydrogel may include indicator molecules embedded therein and may be part of a hydrogel-based device, such as, for example, an analyte sensor. | 03-19-2015 |
| 20150323537 | ABSORBENT PAPER AND USE THEREOF FOR BREAST CANCER DETECTION - Biological samples of mammary fluid or components thereof are obtained using a breast pump device coupled with an absorbent paper or membrane, optionally facilitated by administering oxytocin to the subject. The breast pump device stimulates expression of mammary fluid and provides for collection of diagnostic samples on the absorbent paper or membrane to evaluate breast disease, including cancer. The biological sample may include fluid containing one or more of cells or cellular components, proteins, glycoproteins, peptides, nucleotides or other desired constituents comprising a breast disease marker. Absorbent paper or membrane, and methods relating to the paper or membrane, and a breast pump device are also provided. | 11-12-2015 |
| 20160041075 | FILTER DEVICE AND MEASURING APPARATUS - A filter device through which a fluid containing a target substance and a coarse substance larger than the target substance is passed to selectively collect the target substance from the fluid. The filter device includes a prefilter that removes the coarse substance and a collection filter that collects the target substance. The prefilter and the collection filter are arranged in series such that the fluid passes through the prefilter and then through the collection filter. The prefilter includes a cavity arrangement structure having a pair of opposing main surfaces and a plurality of cavities extending through both main surfaces. | 02-11-2016 |
| 20160061828 | GEL SENSOR - A gel sensor includes a first region constituted by a material containing a stimulus-responsive gel and a second region containing fine particles at a higher content than the first region. It is preferred that the first region does not contain the fine particles. The gel sensor has the first region provided on the upstream side of the second region in the moving direction of a specimen, and when the area of the face of the first region on the upstream side is represented by S | 03-03-2016 |
| 435287800 | Including multiple, stacked layers | 6 |
| 20090170188 | DIAGNOSTIC SANITARY TEST STRIP - An improved multi-layered diagnostic sanitary test strip for receiving a heterogenous fluid, such as whole blood, to test for presence and/or amount of a suspected analyte in the fluid by facilitating a color change in the strip corresponding to the amount of the analyte in the fluid, wherein the test strip includes fluid volume control dams to prevent spillage of the fluid from the strip and a chemical reagent solution that facilitates end-point testing. The improved test strip comprises no more than two operative layers and: (a) a reaction membrane containing a reagent capable of reacting with the analyte of interest to produce a measurable change in said membrane; (b) an upper support layer defining a sample receiving port for receiving the fluid sample thereat; (c) one or more structures for directing the sample containing the analyte of interest through at least a portion of said reaction membrane; and (d) a lower support layer having a reaction viewing port in vertical alignment with said membrane for displaying said measurable change, said lower support being associated with said upper support to secure said reaction membrane in said test strip. | 07-02-2009 |
| 20090246861 | CHROMATOGRAPHIC TEST DEVICE - A chromatographic test device comprising, in the order of passage of a sample containing blood cell components and liquid components, a label holding member provided with a labeling substance capable of binding specifically to an analyte contained in the liquid components, a blood cell separation member for separating predetermined blood cell components in the sample from the liquid components, and a chromatographic carrier carrying a capturing substance capable of binding specifically to the analyte. | 10-01-2009 |
| 20090305395 | Reduction of the Hook Effect in Membrane-Based Assay Devices - A diagnostic test kit for detecting the presence or absence of a protease (e.g., aminopeptidase) within a test sample is provided. The test kit comprises a substrate that is capable of being cleaved in the presence of the protease to release a compound. The kit also comprises a lateral flow device that comprises a chromatographic medium. The chromatographic medium defines a detection zone within which is contained a first reagent (e.g., diazonium ion) that is capable of reacting with the compound to form a second reagent (e.g., aromatic azo compound). The second reagent exhibits a color that is different than the color of the first reagent. The lateral flow device also includes an absorbent material located adjacent to the chromatographic medium, the absorbent material receiving the test sample after flowing through the chromatographic medium. | 12-10-2009 |
| 20100273249 | ANALYTICAL TEST STRIPS - An analytical test strip includes a substrate and a reagent layer disposed on a portion of the substrate. The reagent layer includes an enzymatic reagent ink comprising an amount of hydrophobic silica material, an amount of surfactant; and an amount of enzyme. The amounts of the hydrophobic silica material and the surfactant in the enzymatic reagent ink is predetermined using a first relationship and a second relationship. The first relationship is between wetability of a representative hydrophobic silica material and at least a first calibration characteristic of an analytical test strip that includes an enzymatic reagent ink containing the representative hydrophobic silica material. In addition, the first relationship defines a minimum wetability that provides an acceptable first calibration characteristic. The second relationship defines wetability of a mixture of the hydrophobic silica material and the surfactant across a range of relative amounts of the hydrophobic silica material and the surfactant. The predetermined amounts of the hydrophobic silica material and the surfactant employed in the enzymatic reagent ink provide at least the minimum wetability defined by the first relationship during manufacturing of the enzymatic reagent ink and, therefore, an acceptable first calibration characteristic. | 10-28-2010 |
| 20130084630 | QUANTITATIVE MICROFLUIDIC DEVICES - Described herein are disposable paper-based assay devices for detection and quantitation of analytes in liquid clinical samples, e.g., blood or urine. The devices may be particularly suitable for use in regions of the world where health care infrastructure is absent. The test devices are versatile in that they can be adapted to detect a variety of analytes. The devices are also easy to use and interpret. Typically, all that is needed to conduct an assay is to apply a drop of sample to the indicated location on the device. The devices are typically colorimetric and readable with the naked eye. | 04-04-2013 |
| 20150072404 | EXAMINING TEST PAPER - The invention is related to an examining test paper which comprises an upper substrate, a lower substrate, an upper insulation sheet, a lower insulation sheet and a separator. Each of the upper and lower substrates comprises surface, a notch, a connection area, a reaction area, and an electrode layer. The notch is recessed on a proximal end. The connection area is adjacent to the notch. The reaction area and the electrode layer are defined on the surface. The upper and lower insulation sheets are respectively connected to the upper and lower substrates, and each comprises an upper surface, a lower surface, and a permeation portion. The separator is connected to the upper and lower insulation sheets and comprises two permeation portions corresponding to the permeation portions of the upper and lower insulation sheets, respectively. | 03-12-2015 |
