Patent application number | Description | Published |
20080257020 | System and Method for Repositioning a Diagnostic Test Strip After Inoculation - A system for analyzing the concentration of an analyte in a fluid sample comprises a test strip and a meter. The test strip is capable of being inoculated by the fluid sample. The test strip includes a test element, which contains at least one reagent adapted to cause a reaction when brought into contact with the analyte. The meter includes a read-head, a repositioning device, and a display. The read-head is capable of producing a signal indicative of the reaction between the analyte and the at least one reagent. The display being capable of displaying the analyte concentration. The repositioning device is adapted to move the test strip from a loading position to a testing position. The testing position positions the test element proximate to the read-head. | 10-23-2008 |
20080289749 | Method for Manufacturing a Diagnostic Test Strip - A method for manufacturing a diagnostic test strip is disclosed according to one embodiment. The method includes the acts of providing an application sheet having a plurality of adhesive dots thereon, providing a first substrate layer having at least one feature located thereon, and providing a second substrate layer. The method further including the acts of transferring at least one of the plurality of adhesive dots located on the application sheet to the first substrate layer, aligning the first substrate layer with the second substrate layer, and attaching the first substrate layer and the second substrate layer using the transferred adhesive dots, wherein the attaching of the first and second substrate layers is performed without any additional alignment. | 11-27-2008 |
20090041627 | PACKAGING OF MICROFLUIDIC DEVICES - A microfluidic device containing liquid reagents having an extended shelf life contains the liquid reagents in micro-reservoirs that limit the escape of moisture to less than 10% over the shelf life of the device. The micro-reservoir preferably is made of polypropylene and covered with a metallized plastic film. | 02-12-2009 |
20090068754 | Transient Decay Amperometry - A biosensor system determines an analyte concentration of a biological sample using an electrochemical process without Cottrell decay. The biosensor system generates an output signal having a transient decay, where the output signal is not inversely proportional to the square root of the time. The transient decay is greater or less than the −0.5 decay constant of a Cottrell decay. The transient decay may result from a relatively short incubation period, relatively small sample reservoir volumes, relatively small distances between electrode surfaces and the lid of the sensor strip, and/or relatively short excitations in relation to the average initial thickness of the reagent layer. The biosensor system determines the analyte concentration from the output signal having a transient decay. | 03-12-2009 |
20090078030 | Test Sensor With a Fluid Chamber Opening - A test sensor adapted to assist in determining the analyte concentration in a fluid sample comprises a lid and a base. The lid has an upper lid surface and a lower lid surface. The lid has a first lid end, a second lid end, a first lid side, and a second lid side. The base has an upper base surface and a lower base surface. The base further has a first base end, a second base end, a first base side, and a second base side. The lid and base are attached such that a fluid chamber is formed between a portion of the lower lid surface and the upper base surface at or near the first lid end and the first base end. The fluid chamber is adapted to receive the fluid sample between at least the first base side and the first lid side, between the first lid end and the first lid end, or the combination thereof. | 03-26-2009 |
20090148593 | Methods and systems for forming reagent with reduced background current - Systems and methods for electrochemically oxidizing components of a test-sensor reagent prior to deposition on a test sensor comprise at least a first electrode and a second electrode for contacting the test-sensor reagent. The first electrode and the second electrode may have hollow interior portions for contacting the test-sensor reagent to produce a modified test-sensor reagent having a reduced background current. | 06-11-2009 |
20090288964 | BIOSENSOR WITH CODED INFORMATION AND METHOD FOR MANUFACTURING THE SAME - An electrochemical test sensor and method for forming the same for determining the concentration of an analyte in a fluid sample includes a base, a reagent layer, a lid, and a meter contact area that has a plurality of contacts. The meter contacts have a first testing contact, a second testing contact, and at least four coding contacts. At least a first electrical connection forms between the first testing contact and a first one of the plurality of coding contacts. At least a second electrical connection forms between the second testing contact and a second one of the plurality of coding contacts. A plurality of electrical connections forms or are severed between the plurality of adjacent coding contacts. At least one of the connections in the meter contact area is terminated or formed to encode calibration information on the test sensor. | 11-26-2009 |
20100329951 | Test Sensor Package - A fluid sensor comprises a formed plastic body and a reagent. The body has a top face with an integral first surface. The body also has a bottom face opposed to the first surface and a sidewall that extends from the periphery of the top face. The first surface is adapted to accept a fluid sample. The reagent is disposed on the integral first surface and causes a color change detectable on the bottom face when the reagent reacts with an analyte in the fluid sample. | 12-30-2010 |
20110297554 | Complex Index Functions - A biosensor system determines analyte concentration from an output signal generated from a light-identifiable species or a redox reaction of the analyte. The biosensor system adjusts a correlation for determining analyte concentrations from output signals or determined analyte concentrations with one or more complex index function extracted from the output signals or from other sources. The complex index functions determine at least one slope deviation value, ΔS, or normalized slope deviation from one or more error parameters. The slope-adjusted correlation between analyte concentrations and output signals may be used to determine analyte concentrations having improved accuracy and/or precision from output signals including components attributable to bias. | 12-08-2011 |
20120031776 | Transient Decay Amperometry - A biosensor system determines an analyte concentration of a biological sample using an electrochemical process without Cottrell decay. The biosensor system generates an output signal having a transient decay, where the output signal is not inversely proportional to the square root of the time. The transient decay is greater or less than the −0.5 decay constant of a Cottrell decay. The transient decay may result from a relatively short incubation period, relatively small sample reservoir volumes, relatively small distances between electrode surfaces and the lid of the sensor strip, and/or relatively short excitations in relation to the average initial thickness of the reagent layer. The biosensor system determines the analyte concentration from the output signal having a transient decay. | 02-09-2012 |
20120189497 | SYSTEM AND METHOD FOR REPOSITIONING A DIAGNOSTIC TEST STRIP AFTER INOCULATION - A system for analyzing the concentration of an analyte in a fluid sample comprises a test strip and a meter. The test strip is capable of being inoculated by the fluid sample. The test strip includes a test element, which contains at least one reagent adapted to cause a reaction when brought into contact with the analyte. The meter includes a read-head, a repositioning device, and a display. The read-head is capable of producing a signal indicative of the reaction between the analyte and the at least one reagent. The display is capable of displaying the analyte concentration. The repositioning device is adapted to move the test strip from a loading position to a testing position. The testing position positions the test element proximate to the read-head. | 07-26-2012 |
20130168403 | GLUCOSE MEASUREMENT SYSTEM WITH HIGH-CAPACITY CARTRIDGE AND CAPABILITY OF MORE FREQUENT REPLENISHMENT - The present disclosure relates to packaging containers for holding a plurality of test sensors. The packaging container may include a first semi-circular housing and a second semi-circular housing. The first semi-circular housing has a plurality of first test sensor containing regions. Each of the plurality of the first test sensor containing regions is adapted to contain at least one test sensor having a top portion covered by a foil cover. The second semi-circular housing has a plurality of second test sensor containing regions. Each of the plurality of the second test sensor containing regions is adapted to contain at least one test sensor. The second semi-circular housing has a top portion. The first semi-circular housing and the second semi-circular housing are positioned adjacent to each other. | 07-04-2013 |
20130177993 | Light Guide Test Sensor - An optic light guide test sensor comprises a light guide, a reagent-coated membrane, and a mesh layer. The reagent-coated membrane and the mesh layer are attached to the light guide at an output end of the light guide. The light guide test sensor is adapted to be used to test the level of an analyte in a biological fluid sample when used with a readhead. A method of manufacturing the light guide test sensor involves providing a plurality of light guides, providing a strip of reagent-coated membrane, and providing a strip of mesh layer. The reagent-coated membrane and mesh layer are attached to the light guides by ultrasonic welding. The reagent-coated membrane and mesh layer may also be attached to the light guides by adhesive. | 07-11-2013 |
20130270123 | METHOD FOR FORMING A TEST SENSOR - Systems and methods for electrochemically oxidizing components of a test-sensor reagent prior to deposition on a test sensor comprise at least a first electrode and a second electrode for contacting the test-sensor reagent. The first electrode and the second electrode may have hollow interior portions for contacting the test-sensor reagent to produce a modified test-sensor reagent having a reduced background current. | 10-17-2013 |
20130334066 | Transient Decay Amperometry Biosensors - A biosensor system determines an analyte concentration of a biological sample using an electrochemical process without Cottrell decay. The biosensor system generates an output signal having a transient decay, where the output signal is not inversely proportional to the square root of the time. The transient decay is greater or less than the −0.5 decay constant of a Cottrell decay. The transient decay may result from a relatively short incubation period, relatively small sample reservoir volumes, relatively small distances between electrode surfaces and the lid of the sensor strip, and/or relatively short excitations in relation to the average initial thickness of the reagent layer. The biosensor system determines the analyte concentration from the output signal having a transient decay. | 12-19-2013 |
20130343963 | TEST SENSOR PACKAGE - A fluid sensor comprises a formed plastic body and a reagent. The body has a top face with an integral first surface. The body also has a bottom face opposed to the first surface and a sidewall that extends from the periphery of the top face. The first surface is adapted to accept a fluid sample. The reagent is disposed on the integral first surface and causes a color change detectable on the bottom face when the reagent reacts with an analyte in the fluid sample. | 12-26-2013 |
20140193894 | SENSOR AND PACKAGE - A fluid sensor comprises a formed plastic body and a reagent. The body has a top face with an integral first surface. The body also has a bottom face opposed to the first surface and a sidewall that extends from the periphery of the top face. The first surface is adapted to accept a fluid sample. The reagent is disposed on the integral first surface and causes a color change detectable on the bottom face when the reagent reacts with an analyte in the fluid sample. | 07-10-2014 |
20140209460 | Biosensor Systems for Determining Analyte Concentration Based on Complex Index Functions - A biosensor system determines analyte concentration from an output signal generated from a light-identifiable species or a redox reaction of the analyte. The biosensor system adjusts a correlation for determining analyte concentrations from output signals or determined analyte concentrations with one or more complex index function extracted from the output signals or from other sources. The complex index functions determine at least one slope deviation value, ΔS, or normalized slope deviation from one or more error parameters. The slope-adjusted correlation between analyte concentrations and output signals may be used to determine analyte concentrations having improved accuracy and/or precision from output signals including components attributable to bias. | 07-31-2014 |