Class / Patent application number | Description | Number of patent applications / Date published |
422055000 | Structured visual or optical indicator, per se | 89 |
20080317628 | CHECK SHEET - A check sheet includes: a reagent container that contains a reagent that changes color by being brought into contact with a target element generated from skin; and a plurality of filters provided in different positions from each other at the opposite side to the side of the reagent container to be attached to the skin along the reagent container, and emitting light in wavelength regions different from each other. A check sheet includes: a reagent container that contains a reagent that changes color by being brought into contact with a target element generated from skin; and a filter provided at the opposite side to the side of the reagent container to be attached to the skin, and transmitting light in a part of a wavelength region detectable by a light detector detecting a color of the reagent. | 12-25-2008 |
20090028751 | ANTI-MICROBIAL TIME CARD - A time card including a card body having indicia on and/or in the card related to the time and attendance monitoring function of the card, wherein the time card includes an antimicrobial agent on and/or in the card body, wherein the antimicrobial agent is adapted to combat microbial pathogens. In a further embodiment, the time card includes an indicator, e.g., a calorimetric indicator, and undergoes a change indicative of having been contacted with a pathogen for which the indicator is effective. | 01-29-2009 |
20090035179 | COLORIMETRIC SENSOR - Colorimetric sensor films comprising a reflective layer, a polymeric detection layer, and a semi-reflective layer are disclosed. Devices comprising the calorimetric sensor films and methods of making the films and devices are also disclosed. | 02-05-2009 |
20090047177 | LACTATE CONCENTRATION MEASUREMENT DEVICE - A lactate concentration measurement apparatus comprising a housing enclosing a sample chamber configured for holding a body fluid sample and measurement photo-optics that generate light and monitor light intensity along a plurality of optical paths in the sample chamber. The apparatus further comprises a plurality of optical filters aligned in respective optical paths of the optical path plurality comprising at least a first optical filter with light absorption by lactate and water and a second optical filter with light absorption to water alone. A logic determines lactate concentration based on a ratio of intensities detected at a first detector in an optical path intersected by the first optical filter and detected at a second detector in an optical path intersected by the second optical filter. | 02-19-2009 |
20090053104 | Chemical Sensor For Hydrazine - Chemical sensors whose active element exhibits both a visual change in color and a measurable change in electrical resistance when exposed to an analyte to which it selectively reacts are provided. These sensor have several unique features including vastly improved stability measured in years, irreversible visual changes and surprisingly reversible electrical changes. The combined unique features enable a new generation of ultra low power alerting, alarming and readout devices for hydrazines and other strongly reducing chemicals. | 02-26-2009 |
20090117002 | NANOPARTICLE ASSEMBLIES WITH MOLECULAR SPRINGS - A nanoscale sensing device from different types of nanoparticles (NPs) and nanowires (NWs) connected by molecular springs. The distance between the nanoscale colloids reversibly changes depending on conditions or analyte concentration and can be evaluated by fluorescence measurements. | 05-07-2009 |
20090220378 | INDICATOR DEVICE HAVING AN ACTIVE AGENT ENCAPSULATED IN AN ELECTROSPUN NANOFIBER - An indicator device for determining the efficacy of an antimicrobial treatment process. The indicator device includes an active agent encapsulated in an encapsulation component. The encapsulation components preferably takes the form of an electrospun nanofiber including a polymer. | 09-03-2009 |
20090246077 | CONTAINER ASSEMBLY FOR SUBLIMATION - A container assembly has a raw-material container and a product-collection container, which are heat resistant and pressure resistant and have graduations formed on a sidewall thereof and a joint protruding therefrom. The product-collection container is detachably mounted on the raw-material container and communicates with the raw-material container through the joint. Since the raw-material container has graduations, an amount of raw materials can be consistently added in each batch, therefore, conditions of sublimation such as pressure, temperature or the like do not require adjustment and may just be monitored to ensure maximum yield is attained. Therefore, a sublimation procedure is simple, saves time and decreases product costs. Since, the product-collection container has graduations, an amount of product can be observed easily by the graduations and the product is easily removed without removing impure byproducts. Therefore, purity of the product can be increased. | 10-01-2009 |
20090263279 | Utilizing lipopolysaccharide in exhaled breath condensate to diagnose gram negative pneumonia - A method for determining whether a subject has Gram negative bacterial pneumonia based on the presence of lipopolysaccharide in exhaled breath condensate collected from the subject. The collection devices utilized to collect exhaled breath condensate from both spontaneously breathing and mechanically ventilated subjects and the devices utilized to determine whether lipopolysaccharide is present in the collected exhaled breath condensate. | 10-22-2009 |
20090304547 | PORTABLE ANALYTICAL DEVICE - A portable analytical device is provided for analysis of a component of a body fluid. A measuring facility within the device may carry out the analysis on a test element inserted therein. The test element may contain a reagent that reacts with a liquid sample of the body fluid when the test element is contacted thereby to produce a change that is characteristic of the analysis. A processor may process measuring values determined by the measuring facility to yield analytical measuring data taking into account calibration values. A standardized, wire-based computer interface may be provided on the analytical device via which the analytical device can be operated by a computer, the analytical measuring data can be transmitted from the analytical device to the computer, the analytical device can be supplied with electrical power by the computer, and the analytical device can provide software to be read-out by the computer. | 12-10-2009 |
20090311140 | Combined unit of humidity indicator and desiccant pack - A combined unit of a humidity indicator and a desiccant pack is provided in which the humidity indicator (I) has one end portion bonded to one end portion of the desiccant pack (D) and can pivot around between a standby position (Ia) in which the indicator (I) overlaps one face of the desiccant pack (D) and an in-use position (Ib) in which it overhangs outside from one end edge (De) of the desiccant pack (D)), with the pivot center in the bonding portion or the vicinity thereof. This enables the humidity indicator to overlap the desiccant pack in the standby position when it is in an unused state, and after being enclosed within a packaging bag the humidity indicator and the desiccant pack can be kept as far away from each other as possible within the packaging bag, thus enabling detection of the humidity of the interior of the bag to be carried out precisely and appropriately. | 12-17-2009 |
20100015006 | TEST STRIP WITH IDENTIFICATION OPENINGS AND TEST INSTRUMENT USING THE SAME - The present invention discloses a test strip with identification openings and a test instrument using the same, which are characterized in that the test strip incorporates an identification area. Different combinations of the notched and unnotched positions, or the holed and unholed positions, on the identification area create different digital identification signals. After the test strip is inserted into the test instrument, the test instrument will obtain the digital identification signal and learn the test code, analysis parameters, expiry date and batch number of the test strip. Thereby, the test instrument can verify the batch number and expiry date of the test strip, perform calibration according to the analysis parameters, and provide a correct test result. The present invention can provide many sets of digital identification signals to differentiate test strips. Therefore, the present invention can be operated fast, conveniently and correctly and can prevent a user from forgetting to calibrate the test instrument. | 01-21-2010 |
20100021341 | Body odor detection device - This invention relates to a device to detect human body odors, The human body naturally emits an odors which is a combination of ammonia and amino acids. Hunters can be detected by game animals from these odors. To avoid detection hunters can wear special clothing that have means for masking the body odor. However during use. these masking chemicals lose their effect and the human odor has a breakthrough. It is desirable for the hunters to know when this break-through has occurred so they can recharge the masking chemicals or change their clothing. This invention discloses a device that gives a very sensitive, quick-acting permanent indication of this odor break-through. | 01-28-2010 |
20100061889 | APPARATUS AND METHOD FOR PROVIDING RESULT OR URINE AND/OR GAS ANALYSIS - The present invention relates to a device for providing a result of urine and feces gas analysis result by analyzing the urine and/or feces gas flowing into a toilet so as to acquire status in formation, and displaying advertisements corresponding to the acquired information. According to the present invention, while a user is performing excretion, the user may obtain information associated with his or her health based upon an analysis of his or her urine and/or feces, and an advertiser may provide consumers with advertisements associated with the user's health. | 03-11-2010 |
20100172797 | EXTRACTION METHOD AND APPARATUS FOR HIGH-SENSITIVITY BODY FLUID TESTING DEVICE - An extraction method and apparatus is provided for obtaining quick, safe and highly sensitive testing of a variety of body fluids including saliva, blood, urine or other fluids for drugs of abuse or other analytes. The apparatus includes a latchable extraction wand for obtaining body fluid samples from a subject which is adapted to maximize the portion of the body fluid sample that will go into a graduated bottle containing a buffer solution, and a testing device wherein the sample will be received and into which test strips can be inserted to determine levels of drugs of abuse or other analyte in the sample. In one of the methods of the invention, energy is imparted to the sample and buffer solution, such as by shaking, and this facilitates reduction of sample viscosity, such as by promoting the breakdown of mucins when the sample is saliva. | 07-08-2010 |
20100239457 | BIOCHIP - Provided is a biochip including a high-sensitivity image sensor. The biochip includes: a biochip layer including a plurality of reaction zones in which biochemical reactions occur formed as concaves, the reaction zone including a reference material at a lower portion and a target material at an upper portion; and an image sensor layer which is formed below the biochip layer and includes a plurality of photo detectors. Since the biochip is implemented as a single chip including the biochip layer and the image sensor layer, light loss in the luminescence or fluorescence operation can be reduced. In addition, additional devices such as a scanner which are needed for a general biochip are not needed, so that sensitivity is improved, and low-cost biochips can be implemented. | 09-23-2010 |
422056000 | Having reagent in absorbent or bibulous substrate | 28 |
20080267821 | Test Piece for Analysis - The present invention provides an analytical test piece | 10-30-2008 |
20080286148 | PH INDICATOR - A pH indicator comprising a solid substrate coated at least partially by at least one layer of at least one substance, wherein said the and the substrate are having different colors and wherein the at least one substance is selected to dissolve or to decompose when exposed to predetermined pH values, thereby exposing said first color. | 11-20-2008 |
20080299005 | DISINTEGRATABLE FILMS FOR DIAGNOSTIC DEVICES - The invention provides disintegratable film compositions for diagnostic test devices. The films are prepared with a combination of components that yield films of sufficient film strength and desired disintegration profiles. A disintegratable film according to the present invention contains a water soluble high molecular weight component, a water soluble low molecular weight component, and one or more reagents for use in a diagnostic device. Optionally, the films further contain a starch component, a glucose component, a plasticizer and/or a humectant, and/or a filler. The invention further provides a diagnostic testing device, which includes a film according to an embodiment of the invention, and methods of using such devices. | 12-04-2008 |
20080310998 | Liquid Flow Assays Utilising a Combined Detection and Control Zone - The invention relates to liquid flow assays widely applicable to target analytes, including haptens, which employ a detection zone which is a single combined analyte detection and control zone in a test strip or sheet and two labelled reagents with detectably distinguishable labels, preferably with visually contrasting coloured particle labels, whereby both negative and positive samples are distinguishable by detection of different captured label signals in the detection zone. | 12-18-2008 |
20090074612 | Gas Sorption Tester For Rapid Screening of Multiple Samples - An apparatus determines gas sorption properties of a large number of material samples simultaneously. The apparatus includes a switchable manifold of low-volume conduits and an array of sensors, where each low-volume conduit fluidly couples a single sample of gas-sorbing material to a dedicated detector. The switchable manifold is also configured to fluidly couple the samples to a vacuum source or a dosing gas source. Because of the very low internal volume of the conduits, essentially all gas released from a particular sample is accurately detected by the corresponding detector, either through sorption of the released gas, by measuring pressure, or by other means. In this way, a very accurate measurement of the quantity of gas released by the sample is made. In one embodiment, the array of sensors includes hydride-based sensors, which contain a material that forms an optically and/or electrically responsive hydride upon exposure to hydrogen-containing gas. | 03-19-2009 |
20090081080 | DIAGNOSTIC DEVICES FOR USE IN THE ASSAYING OF BIOLOGICAL FLUIDS - Diagnostic in-vitro devices for use in the assaying of biological fluids are provided which include cover plates or backing strips which exhibit hydrophilic properties to assist in transport of the biological fluid or retention of same within the device. Exemplary diagnostic devices include lateral flow devices, microfluidic devices and microtiter plates. The devices may also be comprised of low fluorescent material in order to facilitate any diagnostic determination by use of fluorescent emissions. Hydrophilic properties may be imparted to the cover plates or backing strips by physical or chemical treatment thereof. The cover plates or backing strips may exhibit heat sealable or pressure sensitive properties. | 03-26-2009 |
20090123334 | Device and Method for Monitoring the Temperature to Which a Product has Been Exposed - A device for monitoring the temperature to which a product has been exposed, comprising at least one spatially structured element, constituted by a material indicating a preset level of temperature and a preset exposure time interval, and adapted to be applied to a monitored product. The indicator material is selected among materials which detectably change their morphological and/or structural and/or chemical and/or physical state once the material is placed in a condition in which it can absorb a preset amount of heat. | 05-14-2009 |
20090148344 | OPTICAL DETERMINATION OF GLUCOSE UTILIZING BORONIC ACID ADDUCTS - The present invention concerns an improved optical method and optical sensing device for determining the levels of polyhydroxyl-substituted organic molecules in vitro and/or in vivo in aqueous media. The range of detection is between about 400 and 800 nm. In particular, a sensory devise is implemented in a mammal to determine sugar levels. Specifically, a dye is combined with a conjugated nitrogen-containing heterocyclic aromatic boronic acid-substituted bis-onium compound in the presence of a sugar, such as fructose or glucose. The viologens are preferred as the aromatic conjugated nitrogen-containing boronic acid substituted compounds. The method is useful to determine sugar levels in a human being. | 06-11-2009 |
20090191093 | BIOCHEMICAL TEST STRIP - A biochemical test strip is provided. The biochemical test strip includes an insulating substrate, an electrode system, an insulating layer, and a cover. The electrode system is formed on the insulating substrate and the insulating layer is formed on the electrode system. The insulating layer has an opening, and the opening exposes a part of the electrode system to define a reaction region with a supply port. The cover is formed above the insulating layer to cover the reaction region and has a slot corresponding to the reaction region and a sampling hole corresponding to the supply port. | 07-30-2009 |
20090196792 | Multiple Assay Device - Disclosed is an assay device for the determination of analyte in a liquid sample over an extended concentration range comprising a first assay and a second assay, wherein the first assay for an analyte comprises a first flow-path having a sole detection zone capable of immobilising a labelled binding reagent and the second assay for said analyte comprises a second flow-path having a sole detection zone capable of immobilising a labelled binding reagent, wherein the presence of labelled binding reagent at the detection zones provides an indication of the presence and/or extent of analyte in said liquid sample. | 08-06-2009 |
20090214383 | ASSAY TEST STRIPS WITH MULTIPLE LABELS AND READING SAME - In one aspect, an assay test strip includes a test label that specifically binds a target analyte and a control label that is free of any specific binding affinity for the target analyte and has a different optical characteristic than the test label. In another aspect, an assay test strip includes a test label that specifically binds a target analyte and at least one non-specific-binding label that is free of any specific binding affinity for the target analyte. Systems and methods of reading assay test strips also are described. | 08-27-2009 |
20090214384 | IDENTIFICATION OF A STRIP TYPE BY THE METER USING CONDUCTIVE PATTERNS ON THE STRIP - A test strip including a reagent end for receiving a body fluid sample and an insertion end which is received at a test strip receptacle slot of a measuring device, the insertion end including one or more on-strip indicators for indicating to a measuring device that the test strip has been inserted into the device so that the device will power-up in preparation to perform a test, and the one or more on-strip indicators having a distinct pattern indicating whether calibration is automatic or whether the user needs to input calibration information to the said device, and corresponding methods are disclosed. | 08-27-2009 |
20090232702 | TEST DEVICE FOR DETECTING AN ANALYTE IN A LIQUID SAMPLE - The present invention relates to test devices, and in particular devices capable of detecting the presence or absence of an analyte in a sample, such as a liquid sample. Also provided are methods of using such devices for quantitative or qualitative measurement of one or more analytes in a liquid sample. | 09-17-2009 |
20090246078 | Electromagnetic Assay - An apparatus includes a sample strip-receiving member configured to receive a sample strip that includes a chamber. The chamber includes a magnetically susceptible particle. The apparatus also includes an electromagnetic field generator configured to subject the magnetically susceptible particle of the chamber of a sample strip received by the sample strip-receiving member to an oscillating magnetic field. The electromagnetic field generator includes first and second coils. The coils are spaced apart along and disposed about a common axis. A detector is configured detect a response to the oscillating magnetic field of the particle of a chamber of a received sample strip. The device can be used to, for example, determine a coagulation parameter of a blood sample. | 10-01-2009 |
20090257915 | PREWETTING LATERAL FLOW TEST STRIP - A test strip and method for detecting an analyte present in a sample. The test strip comprising: a buffer addition zone to which a buffer may be added; an absorbent zone proximal to the buffer addition zone; one or more test zones distal to the buffer addition zone, at least one of the test zones including a first analyte binding agent immobilized therein which is capable of binding to the analyte to be detected; a terminal buffer flow zone distal to the one or more test zones, the absorbent zone being positioned relative to the buffer addition zone and having an absorption capacity relative to the other zones of the test strip such that when a volume of buffer within a predetermined buffer volume range for the test strip is added to the buffer addition zone, a distal diffusion front of the buffer diffuses from the buffer addition zone to a distal diffusion point within the terminal buffer flow zone and then diffuses proximal relative to the one or more test zones; and a sample addition zone distal to the terminal buffer flow zone to which a sample may be added. | 10-15-2009 |
20090311141 | IMMUNOCHROMATOGRAPHIC STRIP FOR USE IN IMMUNOASSAY AND KIT COMPRISING THE SAME - The present invention relates to an immunochromatographic strip and a kit comprising the same. The immunochromatographic strip according to the present invention is characterized in that it comprises a) an adhesive plastic backing, b) a sample pad receiving a liquid sample to be analyzed, which is attached on the surface of the top portion of the adhesive plastic backing, a conjugate pad coupled to the sample pad, which contains a conjugate specifically binding to an analyte in the liquid sample from the sample pad, d) a signal detection pad coupled to the conjugate pad, which comprises a signal detection zone to detect the presence of the analyte in the liquid sample and a control zone to confirm whether the liquid sample chromatographically migrates regardless of the presence of the analyte, and e) an absorbent pad positioned downstream of the signal detection pad, which absorbs the liquid sample after the completion of the signal detection reaction and comprises a porous backing and an absorbent dispersed, adsorbed, or coated into the pores of the porous backing. It is more preferable that the absorbent pad further comprises a film layer attached on the top portion of the porous backing. It is most preferable that the film layer attached on the top portion of the porous backing is a porous membrane. The absorbent pad having the above-described structure efficiently absorbs the liquid sample after the completion of the signal detection reaction. As a result, the chromatographic flow is improved, test errors caused by the backflow of liquid sample are reduced, background clearance is improved, and the result of signal detection is consistently maintained. More significantly, with the help of the absorption ability improved by the absorbent which is dispersed into the porous backing, more preferably adsorbed, or coated onto fibers of the porous backing, the immunochromatographic strip and kit comprising the same absorb moisture in air quickly and sufficiently. Thus, in addition to improved performance, there is no need to package the strip or the kit with an additional absorbent bag in a pouch, which makes the packaging process simple, thereby improving the speed of automatic packaging process. | 12-17-2009 |
20090311142 | DEVICE FOR RAPID DETERMINATION OF DISEASE-ASSOCIATED THIOL COMPOUNDS - Disclosed is a single-use disposable article for determining the concentration of thiol compounds in a sample of fluid, and a description of how to make and use the article. | 12-17-2009 |
20090317297 | ANALYTE TEST STRIP FOR ACCEPTING DIVERSE SAMPLE VOLUMES - An analyte test strip for accepting diverse bodily fluid sample volumes includes a first insulating layer, a second insulating layer disposed above the first insulating layer, and a third insulating layer disposed below the first insulating layer. The third insulating layer has a platform portion that extends beyond the first and second insulating layers and an upper surface. The analyte test strip also has a patterned spacer layer positioned between the first and second layers. The patterned spacer layer defines a channel between the first and second insulating layers that has a sample-receiving chamber, a first port proximate the platform portion and a second port at an outer edge of the analyte test strip. Moreover, the first port and the second port are in fluidic communication with the sample-receiving chamber. In addition, the upper surface of the platform portion is configured to receive a first (relatively large) bodily fluid sample of at least 5 micro-liters and transfer at least a portion of the first bodily fluid sample to the sample-receiving chamber via the first port. The second port is configured to receive a second (relatively small) bodily fluid sample of lesser volume than the first bodily fluid sample and to transfer at least a portion of the second bodily fluid sample to the sample-receiving chamber. | 12-24-2009 |
20100068093 | Identification of a Strip Type by the Meter Using Conductive Patterns on the Strip - A test strip including a reagent end for receiving a body fluid sample and an insertion end which is received at a test strip receptacle slot of a measuring device, the insertion end including one or more on-strip indicators for indicating to a measuring device that the test strip has been inserted into the device so that the device will power-up in preparation to perform a test, and the one or more on-strip indicators having a distinct pattern indicating whether calibration is automatic or whether the user needs to input calibration information to the said device, and corresponding methods are disclosed. | 03-18-2010 |
20100074800 | OZONE DETECTING DEVICE | 03-25-2010 |
20100098583 | Blood Glucose Tracking Apparatus and Methods - A measurement module for glucose testing includes a glucose testing measurement module housing, a test strip receptacle formed in the housing, and a connector portion formed in the housing and shaped to permit mechanical removable attachment of the housing to a hand-held computer. Electronics determine the amount of glucose present in a sample of body fluid, when the test strip is positioned in the receptacle and the body fluid is placed on a test strip, and communicate the glucose amount to the hand-held computer via the connector portion. | 04-22-2010 |
20100111763 | Examination Device for Blood Detection - The present invention describes examination devices, such as examination gloves, for detecting the presence of blood, and in particular hidden blood, in biological samples. Examination devices according to the present invention include, in certain embodiments, developer and indicator reagents in a single encapsulation and in microencapsulations, which offers numerous clinical and other benefits. Kits including devices according to the present invention in sterile packaging, and methods of making and using devices according to the present invention, are also described. | 05-06-2010 |
20100124516 | APPARATUS FOR DETERMINING TOTAL CHLORINE IN LIQUIDS - The present invention relates to an apparatus for determining total chlorine in liquids, the apparatus comprising an indicator carrier that is impregnated with a color indicator that contains Michler's thioketone, the indicator carrier additionally containing as a color indicator at least one azine as well as an iodide, in particular potassium iodide and/or sodium iodide. | 05-20-2010 |
20100178203 | Non-Invasive Colorimetric-Based Infection Detector And Infection Detecting Bandage - A non-invasive, calorimetric infection detector is provided, comprised of a substrate, and one or more indicator compositions disposed upon or incorporated therein. These indicator compositions exhibit a persistent change color when exposed to gaseous oxides of nitrogen and acids formed therefrom, providing a means of detecting NO production in a wound, which has been found to occur at a high level at the onset of infection in a wound. In addition, a bandage is provided, comprised of the detector, as well as a porous portion, and preferably a hydrophobic barrier layer to protect the detector from contamination by water and other fluids draining from the wound. The non-invasive, calorimetric infection detector, and bandage containing same, can be utilized to provide a convenient, easily utilized colorimetric means of detecting the onset of wound infection, thereby enabling caregivers to effectively and timely treat infections. | 07-15-2010 |
20100196200 | BIOLOGICAL TEST STRIP - A biological test strip is disclosed and includes a source end, at least one test line and at least two control lines. The source end is used for dropping a sample liquid thereon. The at least one test line is used to react with at least one sample of the sample liquid to generate a colorization reaction. The at least two control lines are used to react with the sample liquid to generate at least two colorization reactions with different color darkness, so as to define a predetermined maximum concentration value and a predetermined minimum concentration value, both of which can be used as color comparison references for the at least one test line. | 08-05-2010 |
20100209295 | ASSAY DEVICES AND METHODS AND COMPONENTS FOR USE THEREIN - Dipsticks and other assay devices suitable for the assay of haptens are disclosed. Also disclosed are blocking agents for use in such devices. | 08-19-2010 |
20100209296 | Combination Rapid Detection Cartridges For Biological and Environmental Agents, Methods of Production and Uses Thereof - Hand-held test cartridges are described herein that comprise at least one assay, where each assay can simultaneously test for at least two different types of biological agents, environmental agents or combinations thereof. Methods of measuring biological and environmental agents are described herein that include: providing at least one multicomponent hand-held test cartridge, wherein the cartridge has multiple channels for testing multiple agents, providing at least two biological agents, environmental agents or a combination thereof, applying the at least two biological agents, environmental agents or a combination thereof to the multicomponent test cartridge, such that the biological and/or environmental agent is applied to the appropriately labeled section of the cartridge. | 08-19-2010 |
20100239458 | COLLECTION DEVICE FOR ASSAY OF ORAL FLUIDS - An apparatus and process for transporting aqueous fluid from the oral cavity to a lateral chromatographic strip for test is disclosed. A lateral chromatographic strip is placed within a cavity defined in a housing. The lateral chromatography strip extends within the cavity and is disposed along the housing to an inspection site. At least one inspection site to the lateral chromate phic strip is provided to enable inspection of selected sites on the lateral chromatographic strip for test results. A porous wick material protrudes from the housing to a collection site exterior of the housing at one end and communicates to the lateral chromatographic strip at the other end. This porous wick material has particulate construction, the particles adsorbing aqueous oral fluid to transport the fluid from the mouth to the lateral chromatographic strip without substantial absorption. The particles of the porous wick material are bound together to define a continuous interstitial volume for the flow of oral fluid to be transported and are treated to be hydrophilic to the adsorbed oral fluids. The porous wick material readily releases oral fluid to the lateral chromatographic strip. Prevention of reverse flow to the oral cavity from the lateral chromatographic strip naturally occurs due to the circuitous flow path of the porous wick material. By observing the lateral chromatographic strip while the entire test device is in the mouth immediate test results are obtained. | 09-23-2010 |
422057000 | Having coated reagent | 12 |
20080274014 | Diagnostic Device for Testing Hydration and Other Conditions - Devices for the non-invasive collection of a liquid sample in small quantities, such as urine for testing hydration in infants and incontinent adults, directly at the source of that sample, isolation of the collected sample from a testing site, the transportation of that sample to a site for testing contained within the device itself, and the selective application of some or all of the specimen to a testing apparatus contained within the device itself, with a minimum of specimen handling required. Other aspects include a method and device for facilitating the reading of the result of the specimen test by a skilled or unskilled user, including means for determining that no adequate sample has been delivered to the testing site. | 11-06-2008 |
20090022623 | Peptides Capable of Functioning as Mimotopes for Hormonal Analytes - A purified peptide mimotope which is capable of binding specifically to an antibody specific to estradiol. Also disclosed is an immunoassay test device for the detection in a sample of estradiol, the immunoassay test device comprising a peptide mimotope of estradiol, and an antibody capable of binding specifically to the peptide mimotope to generate a detectable signal. | 01-22-2009 |
20090060782 | METHOD FOR BONDING SUBSTRATES, METHOD FOR FORMING CHIP, AND CHIP - A method for bonding a first substrate and a second substrate includes the steps of forming the main body of at least one of the first substrate and the second substrate from an optically transmissive material that transmits light, forming at least part of the bonding faces of the first substrate and the second substrate from a thermoplastic resin that contains an optical absorption agent that absorbs light, and bonding the first substrate and the second substrate together by irradiating the optical absorption agent of the bonding faces with light via the substrate that transmits light. | 03-05-2009 |
20090074613 | APPARATUS FOR DISTINGUISHING BETWEEN AIRCRAFT CONSUMABLES | 03-19-2009 |
20090129977 | HYDROGEN PEROXIDE INDICATOR AND METHOD - The present invention provides a hydrogen peroxide indicator that includes a substrate on which is disposed an indicator composition that includes at least one of a select group of colorants. As a result of contact with hydrogen peroxide, the colorants change color, and even become colorless, thereby providing an indication of the presence of hydrogen peroxide. | 05-21-2009 |
20090155122 | Multi-Layered Devices for Analyte Detection - A multi-layered device for detecting the presence or absence of an analyte within a test sample is described. The device includes a sensing layer and a control layer. The sensing layer is configured to support a reaction so as to exhibit a signal indicative of the presence or absence of the analyte in the test sample. The control layer is in fluid communication with and vertically adjacent to the sensing layer and includes a reagent capable of inhibiting the reaction and/or other unwanted side reactions at the sensing layer after a certain period of time by diffusive movement of the reagent from the control layer to the sensing layer. | 06-18-2009 |
20090246079 | STERILIZATION WRAPS AND METHODS FOR STERILIZING ARTICLES - There is provided an improved sterilization wrap and a method for using the improved sterilization wrap to sterilize an article. The wrap is made of at least a first panel of sterilization material and includes an additional panel of material. The first panel is multi-layered and includes at least one pathogen filtration layer. The first panel is rectangular and has an outer periphery and a central portion. The outer periphery includes first, second, third and fourth edges. The additional panel of material is bonded to the first panel, approximately at a forty-five degree angle to the first panel, with a substantial portion of the additional panel being adjacent to the central portion of the first panel. The perimeter of the additional panel is smaller than the perimeter of the first panel. Portions of the additional panel are bonded to the first panel along the first, second, third and fourth edges of the first panel. The article to be sterilized is placed on the additional panel, is wrapped, and sterilant is applied to the wrapped article. A chemical visual indicator is provided to indicate whether or not the article has been exposed to adequate sterilization conditions. | 10-01-2009 |
20100021342 | METHOD AND APPARATUS FOR LIGHTED TEST STRIP - A test strip with a sample chamber is secured to a meter. The sample chamber in the portion of the test strip that extends out of the meter is illuminated by transmitting light from a light source inside the meter internally through the test strip towards the sample chamber. By way of analogy, the test strip acts in a fashion similar to a fiber optic cable or optical wave guide by transmitting the light from the meter to the remotely located sample chamber that extends outside the meter. The user is then able to easily see the sample chamber of the test strip in dark conditions so that the user is able to readily align the sample chamber with the drop of fluid on the skin as well as view the sample chamber in order to ensure proper filling. The light also illuminates a test strip slot into which the test strip is inserted. | 01-28-2010 |
20100129258 | FUNCTIONALIZATION OF A SUBSTRATE SYSTEM AND METHOD - Disclosed herein are embodiment relating to a methods of obtaining a functionalized porous or fibrous solid substrate with the chemical and/or physical properties of a nano-structured molecular or polymer chemical compound that contains it. In accordance with some example embodiments, the properties of the starting substrate may be modified to obtain a new functionalized substrate. The new substrate may have various applications, such as, for example, an optical- and/or fluorescent-type chemical sensor, as a chemical sequestrator, or as a modifier of the properties of a surface, making it, for example, superhydrophobic. | 05-27-2010 |
20100166604 | COLORIMETRIC SENSOR ARRAYS BASED ON NANOPOROUS PIGMENTS - A colorimetric array includes a substrate, a first spot on the substrate, and a second spot on the substrate. The first spot includes a first nanoporous pigment that includes a first nanoporous material and a first immobilized, chemoresponsive colorant. The second spot includes a second nanoporous pigment that includes a second nanoporous material and a second immobilized, chemoresponsive colorant. The first nanoporous pigment is different from the second nanoporous pigment. | 07-01-2010 |
20100215542 | TISSUE PAPER WITH PH-INDICATOR FUNCTION - The present invention relates to a tissue paper with pH-indicator function, specifically a toilet paper that can be used to diagnose abnormal pH changes of the human urine as accompanying for instance acetonemic vomiting or diabetes. | 08-26-2010 |
20100260642 | METHOD AND DEVICE FOR LAMINAR FLOW ON A SENSING SURFACE - Methods and devices are provided for controlling a fluid flow over a sensing surface within a flow cell. The methods employ laminar flow techniques to position a fluid flow over one or more discrete sensing areas on the sensing surface of the flow cell. Such methods permit selective sensitization of the discrete sensing areas, and provide selective contact of the discrete sensing areas with a sample fluid flow. Immobilization of a ligand upon the discrete sensing area, followed by selective contact with an analyte contained within the sample fluid flow, allows analysis by a wide variety of techniques. Sensitized sensing surfaces, and sensor devices and systems are also provided. | 10-14-2010 |
422058000 | In holder or container having special form | 33 |
20080279723 | APPARATUS FOR QUALITY CONTROL ANALYSIS OF AN ON-SITE PREPARED PHARMACEUTICAL PRODUCT - A quality control system for measuring parameters in a pharmaceutical product includes a receiver vessel to receive a pharmaceutical product therein. The quality control system also includes a sample tube having a first end attached to the receiver vessel to remove pharmaceutical product from the receiver vessel and an appendage connected to a second end of the sample tube. The appendage includes at least one chamber therein to receive a quantity of pharmaceutical product from the receiver vessel. A valve positioned within the sample tube controls flow of the pharmaceutical product to the appendage and prevents flow of the pharmaceutical product from the appendage back into the receiver vessel. The system also includes a quality control device configured to measure at least one parameter of the pharmaceutical product in at least one of the receiver vessel and the appendage. | 11-13-2008 |
20080279724 | Freshness indicator for beverage and food containers - Beverage and food containers having a freshness indicator, where the containers include at least one indicator to detect the degree of freshness of the beverage contained therein. | 11-13-2008 |
20080286149 | BODILY FLUID SAMPLING WITH TEST STRIPS HINGED ON A TAPE - A supply of test strips for bodily fluid sampling are provided on a tape such that advancing the tape serves to advance the test strips. One end of the test strips are attached to the tape, and their free end is allowed to extend away from the tape for use. This extension facilitates dosing and reduces the chances for contamination. Prior to use the test strips are maintained in a sealed container and/or under a removable covering to preserve their integrity and improve shelf life. | 11-20-2008 |
20080286150 | Fluid Separator Collection Card - A device for separating and drying a fluid sample in one embodiment includes an upper layer including a sample window and a viewing window extending therethrough, the viewing window spaced apart from the sample window, an absorbent layer, having a width and a length, positioned beneath the upper layer and extending beneath the sample window and the viewing window, and a non-absorbent layer positioned beneath the absorbent layer, the non-absorbent layer having a width and a length greater than the width and the length of the absorbent layer. | 11-20-2008 |
20090004054 | PERSONAL BREATHALYZER - The present invention relates to a portable, personal breath tester device for testing the blood alcohol content of the user of the device. The breath tester includes an electronic sensor for providing an output voltage signal with an amplitude level that varies as a function of the alcohol content of the breath sample. The output voltage signal is coupled as an input signal to analog circuitry for comparing the input signal to predefined voltage thresholds associated with known blood alcohol contents. The analog circuitry generates an output signal to a display comprising a first and second LED, wherein the illumination of a specific LED corresponds to a predefined blood alcohol content range. | 01-01-2009 |
20090010803 | Stimulus Indicating Device Employing Polymer Gels - The present invention relates, for example, to a stimulus-indicating device. More particularly, the present invention includes an apparatus for evidencing when a stimulus sensitive product has been exposed to a designated or predetermined stimulus for a certain period of time, and the invention further may include a method for manufacturing aspects of that apparatus. | 01-08-2009 |
20090022624 | MICROFLUIDIC DEVICES FOR FLUID MANIPULATION AND ANALYSIS - The present invention relates to microfluidic devices and methods for manipulating and analyzing fluid samples. The disclosed microfluidic devices utilize a plurality of microfluidic channels, inlets, valves, filter, pumps, liquid barriers and other elements arranged in various configurations to manipulate the flow of a fluid sample in order to prepare such sample for analysis. | 01-22-2009 |
20090028752 | STERILIZATION CHALLENGE SPECIMEN HOLDER - A sterilization challenge specimen holder is used with a test indicator to challenge sterilization on a consistent basis. The holder includes a body having an internal chamber region. A cap is sealable on the holder. A plug is positioned in the body. The plug has a wall having a spiral formed groove therein in communication with the internal chamber region. An opening provides for a single flow path for communication between the environs and the internal chamber via the groove. | 01-29-2009 |
20090028753 | STERILIZATION CHALLENGE SPECIMEN HOLDER - A sterilization challenge specimen holder is used with a test indicator to challenge sterilization on a consistent basis. The holder includes a body having an internal chamber region. A cap is sealable on the holder. An opening is defined in the body or cap that forms a single tortuous ingress and egress path communicating the interior chamber with the environs. An insulating layer is disposed over the body and cap to fully insulate the body and cap other than over the opening so as to not interfere with the ingress and egress path. The insulating layer reduces the heat transference from the environs to the interior chamber region. | 01-29-2009 |
20090068061 | VERSATILE DRUG TESTING DEVICE - A versatile drug testing device (a lateral flow diagnostic testing device) includes a flat transparent carrier with a top and a bottom with the carrier having a series of independent parallel grooves formed therein running from adjacent to the top to adjacent to the bottom of the carrier, each groove having a first opening and a second opening above the first opening therein adjacent to the bottom of the carrier, at least one drug test strip installed in one of said grooves with its absorbent pad contiguous to the openings and a cover layer attached to the carrier operable to sealing close each of said grooves whereby the bottom of the device can be immersed in a specimen of “urine”, “body fluid” or “other biological specimen” to wet the pad of the at least one test strip though the ingress of the specimen though the associated openings and the test results on the test strip can be easily viewed through the transparent carrier. Because of the unique construction the device will give accurate reading if temporarily immersed in the specimen or left in the specimen for an extended period of time, making it very user friendly. | 03-12-2009 |
20090123335 | Sensor Chip and Sensor System - It is intended to provide a sensor chip that enables detection of a deterioration state of a reagent applied on a reaction portion when measuring a concentration of a measurement object substance and a sensor system that enables a correct measurement by using the sensor chip for detecting the reagent deterioration state. A sensor chip including two substrates opposed to each other, a spacer layer sandwiched between the substrates, a multiple reaction portions provided in the spacer layer, and detection electrode units disposed on surfaces of the substrates facing to the spacer layer and exposed to the reaction portions, wherein an identical reagent A is applied on two or more of the reaction portions, and another reagent B that reacts with the reagent A is applied on at least one of the two reaction portions and a sensor system including the sensor chip and a measurement unit for comparing current values from the two or more reaction portions on which the identical reagent A is applied. | 05-14-2009 |
20090202388 | ANALYTE COLLECTION AND DETECTION DEVICES - A system for collecting biological samples, such as fecal specimens, and testing such samples for the presence of an analyte is disclosed. The system comprises a sample collection device that includes a removably secured tab for retaining and transferring a portion of the sample to be tested to the test device. The tab is preferably configured so that it can be received in the test device in only a pre-selected orientation so as to put the portion of the tab carrying the sample in communication with a chromatographic material in the test device. | 08-13-2009 |
20090208371 | SAMPLE COLLECTION AND TESTING DEVICE WITH SWING ARM - A sample collection and testing device comprising An elongate housing ( | 08-20-2009 |
20090238720 | FECAL OCCULT TEST PACKAGING - A specimen testing device, comprising: a folding top having a top inside and a top outside; a back portion having a back inside and a back outside, the back portion in folding communication with the folding top; a front portion in folding communication with the back portion and the folding top covers at least a portion of the front portion when the front portion is in a folded closed position; a reagent test sheet in communication with at least a portion of the back portion; at least one enclosed bubble containing developer attached to at least one of the back portion and the front portion, wherein a fecal sample is placed on the reagent test sheet and the at least one enclosed bubble is pierced to release the developer to the fecal sample to indicate the presence of fecal occult blood. | 09-24-2009 |
20090246080 | Systems and methods for obtaining analytes from a body - A method may include collecting at least one analyte from within a body, ejecting the collected at least one analyte from the body through at least one dermal layer of the body, and receiving the ejected at least one analyte outside the body. A system may include a means for collecting at least one analyte from within a body, a means for ejecting the collected at least one analyte from the body through at least one dermal layer of the body, and a means for receiving the ejected at least one analyte outside the body. | 10-01-2009 |
20090304548 | STERILIZER TEST DEVICE - A re-usable sterilizer test device is disclosed which is comprised of at least two parts which are releasably connected together. An indicator device which changes colour in the presence of steam after a certain time period is deposited within the two parts. One or both of the bodies is manufactured from a material having a predetermined degree of porosity as regards steam and is generally cylindrical or spherical so that the outer surface of said one or both bodies forms a significant and substantial portion of the external surface of the assembled device. Steam penetrates the porous body and passes into a cavity inside the body from where the steam can move internally of the device through suitable passageways and into a chamber where the indicator is located. | 12-10-2009 |
20100040506 | DEVICE FOR RECEIVING LIQUID SAMPLES - A device for receiving liquid samples includes at least one sample carrier ( | 02-18-2010 |
20100047126 | ANALYTE METER SLEEVES AND METHODS - In some aspects, an analyte meter sleeve is provided for storing an analyte meter (e.g., a blood glucose meter or insulin pump) and a lancet device. The sleeve includes a first sleeve member adapted to receive the analyte meter and a second member affixed to the sleeve and adapted to receive the lancet device. The first sleeve member may have a window adapted to allow viewing of a meter display. Numerous other aspects are provided. | 02-25-2010 |
20100054992 | SPECIMEN SUPPLYING TOOL AND SPECIMEN ANALYSING INSTRUMENT USING THE SAME - A specimen supplying tool in which structure is simple, and a liquid specimen and air bubbles do not remain within a through-bore for introduction of a specimen, is provided. The specimen supplying tool includes a substrate | 03-04-2010 |
20100061890 | IMMUNOASSAY DEVICE WITH IMPROVED SAMPLE CLOSURE - An apparatus and method for sealing a fluid sample collection device, comprising loading a fluid sample collection device with a fluid sample, said device comprising a housing having at least one substantially planar surface that includes an orifice in fluid communication with an internal fluid sample holding chamber which terminates at an internal capillary stop; and slidably moving a sealing element over at least a portion of said substantially planar surface in a way that displaces any excess fluid sample away from the orifice, seals the fluid sample within said holding chamber, and inhibits the fluid sample from prematurely breaking through the internal capillary stop. | 03-11-2010 |
20100092338 | Test element magazine - A test element magazine for a system for measuring the concentration of at least one constituent in a fluid sample is provided. The test element magazine comprises at least one test element in at least one chamber. The chamber is individually sealed by a sealing element. The test element comprises at least one active portion for contacting a skin portion of a patient and/or for contacting a fluid sample, wherein the test element further comprises at least one support body, wherein the support body is adapted for being engaged by an actuator. By a forward movement of the test element the support body of the test element applies a force to the sealing element, thereby forcing open the sealing of the chamber. | 04-15-2010 |
20100104473 | Air sampling system and method for calibration - A chemical detection system includes detectors connected to a pump via a filter and hosing. The filter prevents the interior of the pump from internal contamination from a chemical or toxic agent. The airflow through the detector may be varied by an adjustable orifice. A pistol grip for holding the system and operating it is balanced with respect to a center of gravity. | 04-29-2010 |
20100111764 | SYSTEM AND METHOD FOR CODING INFORMATION ON A BIOSENSOR TEST STRIP - The present invention provides a test strip for measuring a concentration of an analyte of interest in a biological fluid, wherein the test strip may be encoded with information that can be read by a test meter into which the test strip is inserted. | 05-06-2010 |
20100124517 | Device for performing rapid 'on-site' tests of biological fluids - A device for performing rapid ‘on-site’ tests of biological fluids, comprising a box-like body adapted for accommodating and sealingly closing a holder of a stick of a rapid anti-doping test kit, the holder having an input hole for providing biological fluid towards the stick, the box-like body having externally at the input hole, a supporting collar adapted to accommodate and support an end of a cup-shaped tab of a container for biological fluids having a plurality of cup-shaped tabs, inside the collar elements for penetration of a bottom of the cup-shaped tab and elements for the passage of the biological fluid collected in the cup-shaped tab into the input hole of the holder of a stick being provided. | 05-20-2010 |
20100150777 | SENSOR HOLDER, HOLDER UNIT IN WHICH BLOOD SENSOR IS MOUNTED TO THE SENSOR HOLDER, AND BLOOD TESTING DEVICE TO WHICH THE HOLDER UNIT IS MOUNTED - A sensor holder comprises a sensor mounting part having a first face on which a blood sensor is placed, a second face provided on the opposite side from the first face, and a through-hole that goes from the first face to the second face and is large enough to allow a laser beam to pass through; a finger holding part that is provided on the second face and surrounds the through-hole, and a grip that sticks out from the blood testing device when the sensor holder is mounted to the blood testing device. | 06-17-2010 |
20100189600 | MONITOR FOR OPTICAL DETECTION OF ORGANIC ANALYTES - Herein is disclosed a monitor that can be used to detect and/or monitor the presence of organic analytes and that may be used for personal monitoring and/or for area monitoring. The monitor comprises at least one optically interrogatable sensing element that is responsive to the presence of an analyte of interest. | 07-29-2010 |
20100196201 | CARTRIDGE AND ANALYZING SYSTEM - The present invention relates to a cartridge | 08-05-2010 |
20100233025 | Containers For Reading And Handling Diagnostic Reagents And Methods For Using The Same - A container with a rotatable lid for reading and handling diagnostic reagents in tape form comprising a body portion, a lid portion, a continuous tape, a reagent-sensing device, and a storage device. The body portion includes an inner and outer surface. The lid portion is attached to the body portion and is adapted to rotate from a closed position to an open position. The continuous tape includes a diagnostic reagent. The reagent-sensing device is attached to either the body portion or the lid portion and adapted to read the diagnostic reagent. The storage device is attached to the body portion that is adapted to hold and dispense an unused portion of the continuous tape. During the rotation of the lid portion, the continuous tape is advanced from the first storage device and is extended over the reagent-sensing device. | 09-16-2010 |
20100239459 | Multistep Reaction Lateral Flow Capillary - Disclosed is a lateral flow capillary device and uses thereof comprising a unipath bibulous capillary flow matrix and at least two reservoirs each in fluid communication with the capillary flow matrix wherein a reservoir contacts the capillary flow matrix through a passage having a rim pressing the matrix. The pressure that the rim applies on the matrix prevents leakage of liquids out of the capillary flow matrix at the reservoir/matrix interface, allowing accurate sequential draining of liquid from the reservoirs. During use of the disclosed lateral flow capillary device a static interface is formed between the first liquid and the second liquid in an interface creation zone inside the capillary flow matrix wherein the first amount and second amount are such that first liquid substantially remains in the first reservoir and the second liquid substantially remains in the second reservoir subsequent to the formation of the static interface and wherein the interface begins to move only subsequent to exhaustion of a liquid from a reservoir. | 09-23-2010 |
20100239460 | ELECTRONIC ANALYTE ASSAYING DEVICE - The invention is an electronically processed single-step test device for detecting the presence of a preselected analyte in a fluid. The device includes a hollow rectangular outer casing, disposed within co-joined upper and lower sections of the casing are assay material, an electronic processing system, and a LCD display. The LCD display is observable through a viewing window. The assay material is a sorptive material including a fluid sample application region in the form of a sample wick in fluid communication with a test strip. The test strip includes an analyte capture region adjacent to a light shield. The electronic processing system includes red and green LEDs which are alternately pulsed or energized over predetermined periods of time to determine if fluid test results show a marker or markers in the capture region indicative of the presence of a preselected analyte in the fluid. If so, Yes+ is displayed on the LCD. If not, No− is displayed on the LCD. | 09-23-2010 |
20100266449 | Invertable assaying device with fluid level adjusting cover - An assay test device comprises a cup container having a detachable top cover that has a volume-reducing internal structure. A pocket shaped and dimensioned to nest a chromatographic test strip cartridge is mounted against a flattened transparent portion of the cup side wall. The cartridge is held in a vertical position with an aperture near the top edge of the cup. A splash shield projects for the brim region of the cup over that aperture preventing any part of the sample fluid poured into the cup from entering the cartridge and contacting the test strips prematurely. When the lid is installed and the cup flipped upside-down, the internally projecting structure raises the level of sample fluid for better access to the cartridge aperture. The structure can be adapted to extend all the way through the inside of the cup to contact its closed bottom. A central cavity in the structure having a open end captures a small volume of fluid and preserves it for later confirmatory analysis. In one embodiment of the invention the central cavity is created by a well secured to the bottom of the cup that is telescopically engage by a cap secured to an undersurface portion of the internally projecting structure. | 10-21-2010 |
20100278692 | NOVEL DRUG CHECKING CUP FOR IN FIELD DRUG TESTING - A drug checking cup includes a special container constructed of a transparent plastic with an oval truncated top member and an oval truncated bottom member connected by a continuous wall to form a container for the cup, with the continuous wall having a flat portion, plus a circular mouth formed in the top member and a lid operable to close the mouth along with a flat cassette containing at least one drug testing strip placed in the cup through the mouth and retainer means in the cup securing the cassette in the cup at an angle to the inner surface of said flat portion of the continuous wall and in close proximity thereto whereby images on the testing strip in the cassette can be viewed, photocopied and scanned through said flat portion of the wall without distortion from the presence of the specimen in the cup in the space between the cassette and the flat portion of the continuous wall. | 11-04-2010 |
422059000 | Column | 1 |
422060000 | Having plural-layered material | 1 |
20080260579 | Sheet-like material with hydrophilic and hydrophobic egions and their production - Sheet-like material in particular for use in biosensors and diagnostic strips composed of a substrate material on whose upper side at least one hydrophilic region and at least one hydrophobic region are present and arranged alongside one another, where
| 10-23-2008 |