Patent application number | Description | Published |
20080199364 | Containers for reading and handling diagnostic reagents and methods of 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. | 08-21-2008 |
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 |
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 |
20090071847 | ELECTROCHEMICAL TEST SENSOR WITH REDUCED SAMPLE VOLUME - An electrochemical test sensor for detecting the analyte concentration of a fluid test sample includes a base, a dielectric layer, a reagent layer and a lid. The base provides a flow path for the test sample having on its surface a counter electrode and a working electrode adapted to electrically communicate with a detector of electrical current. The dielectric layer forms a dielectric window therethrough. The reagent layer includes an enzyme that is adapted to react with the analyte. The lid is adapted to mate with the base and to assist in forming a capillary space with an opening for the introduction of the test sample thereto. At least a portion of the width of the counter electrode is greater than the width of the working electrode. | 03-19-2009 |
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 |
20090277565 | Process for Making Electrodes for Test Sensors - A method of forming a plurality of electrodes on a test sensor includes providing a substrate. The test sensor assists in determining an analyte concentration. At least one aperture is formed through the substrate. Catalytic ink or catalytic polymeric solution is applied in a pattern on two sides of the substrate. The catalytic ink or catalytic polymeric solution assists in defining the plurality of electrodes on the test sensor. After applying the catalytic ink or catalytic polymeric solution, the substrate is electrolessly plated to form the plurality of the electrodes of the substrate. The plurality of electrodes assists in determining the concentration of the analyte. | 11-12-2009 |
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 |
20090301166 | AUTO-CALIBRATION CIRCUIT OR LABEL AND METHOD OF FORMING THE SAME - An auto-calibration circuit or label is adapted to be used with an instrument. The instrument is adapted to determine information related to an analyte of a fluid sample. The auto-calibration circuit or label comprises a plurality of electrical connections, first and second common connections, and first and second auxiliary common connections. The electrical connections convey auto-calibration information corresponding to a test sensor. The auto-calibration information is adapted to be utilized by the instrument to auto-calibrate for the test sensor. The electrical connections include first contact areas. The second common connection is separate and distinct from the first common connection. The first auxiliary common connection is separate and distinct from the first and second common connections. The second auxiliary common connection is separate and distinct from the first and second common connections. The first and second auxiliary common connections are located on opposing sides of the contact areas. The electrical connections are adapted to be routed directly from each of the plurality of first contact areas to a respective first or a second common connection. | 12-10-2009 |
20100081967 | INTEGRATED-TESTING SYSTEM - An integrated-testing system includes a meter, a lancing device and a storage case. The meter includes a housing, a display and a processor. The storage case holds the meter and the lancing device in a relatively fixed position to each other. The meter and the lancing device are maintained in the storage case in the relatively fixed position until a fluid sample is desired, at which time a first portion of the lancing device is advanced to a position external to the storage case to obtain the fluid sample and a second portion of the lancing device remains relatively fixed in the storage case while the fluid sample is obtained. | 04-01-2010 |
20100084466 | METHOD OF FORMING AN AUTO-CALIBRATION CIRCUIT OR LABEL - A method of forming and using an auto-calibration circuit or label on a test sensor includes providing a label or circuit. The label or circuit includes a first layer, a second layer and a lamination portion. The second layer is located between the first layer and the lamination portion. The first layer includes polymeric material. The second layer includes conductive material. The label or circuit is applied to the test sensor via the lamination portion. After applying the label or circuit to the test sensor, portions of the second layer are ablated using a laser to form an auto-calibration pattern on the label or circuit. | 04-08-2010 |
20100152617 | SWING LANCE WITH INTEGRATED SENSOR - An apparatus for lancing skin and collecting a liquid sample. The apparatus having a housing with an outer periphery and a rotatable arm having a lance to puncture the skin. A sample collection area is attached to the arm. The arm of the apparatus rotates from a first position to a second position. As the arm rotates, the lance extends beyond the housing allowing the lance to contact the user's skin and create a lance site. As the arm continues to move to the second position, the lance is brought out of contact with the user's skin and back within the housing while the collection area is brought into position. When the arm is located in the second position, the collection area is in substantially the same location as the lance site on the user's skin. | 06-17-2010 |
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 |
20100319436 | System and Apparatus for Determining Temperatures in a Fluid Analyte System - A test sensor includes a body, a first conductive trace, a second conductive trace, and a third conductive trace. The body includes a first region that has a fluid-receiving area, a second region separate from the first region, and a first temperature sensing interface disposed at or adjacent to the fluid-receiving area. The fluid-receiving area receives a sample. The first trace is disposed on the body, and at least a portion of the first trace is disposed in the first region. The second and third traces are disposed on the body. The third trace extends from the first to the second regions. The third trace is connected to the first trace at the first temperature sensing interface. The third trace includes a different material than the first trace. A first thermocouple is formed at the first temperature sensing interface. The thermocouple provides temperature data to determine an analyte concentration. | 12-23-2010 |
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 |
20110061458 | Methods Of Using An Electrochemical Biosensor - According to one embodiment of the present invention, an electrochemical sensor ( | 03-17-2011 |
20110165685 | CONTAINERS FOR READING AND HANDLING DIAGNOSTIC REAGENTS AND METHODS OF 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. | 07-07-2011 |
20110198487 | OPTICAL READHEAD AND METHOD OF USING THE SAME - A method of determining auto-calibrating information of a test sensor includes providing an optical read head that includes a light source, a light guide and a detector. The read head forms an opening that is sized to receive a test sensor. The detector includes a linear-detector array or single detector. A test sensor is provided having apertures formed therein. The test sensor is placed in the opening of the optical read head. Light is transmitted from the light source through the apertures. The light transmitted through the apertures using the detector or detecting the absence of light being transmitted through the test sensor using the detector is detected. The detected light or the absence of detected light information from the detector is used to determine the auto-calibration information of the test sensor. | 08-18-2011 |
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 |
20120037921 | Electrical Devices With Enhanced Electrochemical Activity and Manufacturing Methods Thereof - In some aspects, a device is provided having a member with a region of enhanced electrochemical activity. In one aspect, a sensor of enhanced electrochemical activity is provided for detecting an analyte concentration level in a bio-fluid sample. The sensor may include a sensor member of a semiconductor material wherein the sensor member has a surface region of enhanced electrochemical activity. In other aspects, the member may be made of semiconducting foam having a surface region of enhanced electrochemical activity. In some embodiments, the region may be thermally-induced. Manufacturing methods and apparatus are also provided, as are numerous other aspects. | 02-16-2012 |
20120094319 | METHOD OF DISPENSING BIOSENSORS - A storage cartridge for dispensing biosensors used in the determination of an analyte in body fluid comprises a hollow body for housing a stack of biosensors having an open top, a flexible conveying member disposed over the open top of the body, the flexible conveying member having an aperture formed therein for receiving a biosensor from the stack of biosensors, a plate adapted to press the sliding conveying member against the open top to form a substantially moisture-impervious seal around the open top of the body and to permit the conveying member to slide between the plate and the open top, and a biasing mechanism the stack of biosensors towards the open top. | 04-19-2012 |
20120132542 | Methods Of Using An Electrochemical Biosensor - According to one embodiment of the present invention, an electrochemical sensor ( | 05-31-2012 |
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 |
20130161206 | METHODS OF USING AN ELECTROCHEMICAL BIOSENSOR - According to one embodiment of the present invention, an electrochemical sensor ( | 06-27-2013 |
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 |
20130298648 | TEMPERATURE SENSING ANALYTE SENSORS, SYSTEMS, AND METHODS OF MANUFACTURING AND USING SAME - An analyte sensor is provided for detecting an analyte concentration level in a bio-fluid sample. The analyte sensor has a base, a first electrode and a second electrode wherein a thermocouple portion is provided integral with the second electrode thereby enabling on-sensor temperature measurement capability. In some embodiments, two and only two electrical contact engagement portions are provided thereby simplifying electrical contact. Manufacturing methods and systems utilizing the analyte sensors are provided, as are numerous other aspects. | 11-14-2013 |
20130323852 | SENSOR STORAGE AND DELIVERY SYSTEM WHERE THE TEST SENSORS ARE INDIVIDUALLY FOILED AND ARRANGED IN A STACK - A portable, hand-held glucose testing device includes a housing configured to accommodate a plurality of test sensors in a stacked arrangement and having a wall with an opening defined therein. A plurality of packaged test sensors is stacked in alignment with one another within the housing. Each of the test sensors is packaged within a blister package. The blister package comprises a blister package housing and a cover foil overlying a surface of the blister package housing and the test sensor. A drive slide is configured to displace one of the plurality of packaged test sensors out of alignment with other packaged test sensors. A knife mechanism is configured to pierce through the cover foil, and to engage and urge the test sensor to extend through the opening for receiving a sample. A meter contact is configured to engage the test sensor when the test sensor extends through the opening. | 12-05-2013 |
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 |
20140067309 | Method Of Determining Auto-Calibration Of A Test Sensor - A method of determining auto-calibrating information of a test sensor includes providing an optical read head that includes a light source, a light guide and a detector. The read head forms an opening that is sized to receive a test sensor. The detector includes a linear-detector array or single detector. A test sensor is provided having apertures formed therein. The test sensor is placed in the opening of the optical read head. Light is transmitted from the light source through the apertures. The light transmitted through the apertures using the detector or detecting the absence of light being transmitted through the test sensor using the detector is detected. The detected light or the absence of detected light information from the detector is used to determine the auto-calibration information of the test sensor. | 03-06-2014 |
20140083848 | SYSTEM AND APPARATUS FOR DETERMINING TEMPERATURES IN A FLUID ANALYTE SYSTEM - A test sensor includes a body, a first conductive trace, a second conductive trace, and a third conductive trace. The body includes a first region that has a fluid-receiving area, a second region separate from the first region, and a first temperature sensing interface disposed at or adjacent to the fluid-receiving area. The fluid-receiving area receives a sample. The first trace is disposed on the body, and at least a portion of the first trace is disposed in the first region. The second and third traces are disposed on the body. The third trace extends from the first to the second regions. The third trace is connected to the first trace at the first temperature sensing interface. The third trace includes a different material than the first trace. A first thermocouple is formed at the first temperature sensing interface. The thermocouple provides temperature data to determine an analyte concentration. | 03-27-2014 |
20140124382 | ELECTROCHEMICAL TEST SENSOR WITH REDUCED SAMPLE VOLUME - An electrochemical test sensor for detecting the analyte concentration of a fluid test sample includes a base, a dielectric layer, a reagent layer and a lid. The base provides a flow path for the test sample having on its surface a counter electrode and a working electrode adapted to electrically communicate with a detector of electrical current. The dielectric layer forms a dielectric window therethrough. The reagent layer includes an enzyme that is adapted to react with the analyte. The lid is adapted to mate with the base and to assist in forming a capillary space with an opening for the introduction of the test sample thereto. At least a portion of the width of the counter electrode is greater than the width of the working electrode. | 05-08-2014 |
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 |
20140202881 | Electrochemical Biosensor - According to one embodiment of the present invention, an electrochemical sensor ( | 07-24-2014 |
20140244199 | Method Of Determining Information Of A Test Sensor - A method of determining auto-calibrating information of a test sensor includes providing an optical read head that includes a light source, a light guide and a detector. The read head forms an opening that is sized to receive a test sensor. The detector includes a linear-detector array or single detector. A test sensor is provided having apertures formed therein. The test sensor is placed in the opening of the optical read head. Light is transmitted from the light source through the apertures. The light transmitted through the apertures using the detector or detecting the absence of light being transmitted through the test sensor using the detector is detected. The detected light or the absence of detected light information from the detector is used to determine the auto-calibration information of the test sensor. | 08-28-2014 |
20140262772 | MAINTAINING ELECTRODE FUNCTION DURING MANUFACTURE WITH A PROTECTIVE LAYER - The present disclosure relates to an electrochemical test sensor for detecting the concentration of an analyte in a fluid sample. The test sensor includes a working electrode, a counter electrode, and a trigger electrode. A temporary protective layer overlies the trigger electrode and helps to maintain the function of the trigger electrode during test sensor manufacture. | 09-18-2014 |
20140273041 | BOTTLED GLUCOSE SENSOR WITH NO HANDLING - A device and system for automatic handling of a sensor strip by a part of meter includes a sensor strip having a first section, a second section, and an intermediate section. The sensor strip includes at least a first opening about a first end thereof and a second opening about a second end thereof. A meter part includes a pair of pivoting catches configured to engage and grasp a sensor strip from a container containing a plurality of sensor strips. The sensor strip may thus be removed from a container for testing without need for manual handling of the strip by a user. | 09-18-2014 |