Abstract: Various embodiments that allow a more accurate electrochemical test strip measurement by identifying erroneous output signals during a glucose measurement thereby ensuring a much more accurate glucose test system.

Abstract: Various embodiments that allow a more accurate electrochemical test strip measurement by identifying erroneous output signals during a glucose measurement thereby ensuring a much more accurate glucose test system.

Abstract: An electrochemical-based analytical test strip for the determination of an analyte (such as glucose) in a bodily fluid sample (for example, a whole blood sample) and/or a characteristic of the bodily fluid sample (e.g., hematocrit) includes a sample-entry chamber with a sample-application opening disposed on an end edge of the electrochemical-based analytical test strip, and first and second sample-determination chambers, each in direct fluidic communication with the sample-entry chamber. The electrochemical-based analytical test strip also includes first and second electrodes (such as first and second hematocrit electrodes) disposed in the first sample-determination chamber, and a third and fourth electrodes (for example working and reference electrodes) disposed in the second sample-determination chamber.

Abstract: An analyte meter having a test strip port is configured to detect an inserted test strip using an unpowered grounded op amp while the analyte meter is in sleep mode. After a test strip is inserted and the meter is activated, the op amp is powered and provides the sample current for measuring an analyte concentration in the sample.

Abstract: Various embodiments for methods, systems, and meters that allow for a more accurate analyte concentration with a biosensor by determining at least one physical characteristic of the sample and determining whether at least one output transient signal of the biosensor is erroneous by monitoring the biosensor and flagging an error if the signal outputs of the biosensor do not meet certain criteria.

Abstract: Various embodiments for a method that allow for a more accurate analyte concentration with a biosensor by determining at least one physical characteristic of the sample and determining whether a sample fill condition is erroneous by monitoring the working electrodes and flagging an error if the signal outputs of the working electrodes do not meet certain thresholds.

Abstract: Various embodiments for a method that allow for a more accurate analyte concentration with a biosensor by determining at least one physical characteristic of the sample and determining whether a counter or reference electrode is causing an error by monitoring the working electrodes and flagging an error if the signal outputs of the working electrodes do not meet certain thresholds.

Abstract: A blood analyte measurement system is configured to receive a test strip. An LED proximate to the test strip is used to illuminate the test strip and, in conjunction with a photodiode, to determine its type. A compensation circuit of the measurement system insures that ambient light does not cause interference with the LED illumination to prevent saturation of the photodiode.

Abstract: A portable analytical test meter is designed for use with an associated analytical test strip. A test-strip-receiving module receives the analytical test strip and is electrically connected to a dummy load calibration circuit block. That block is configured to provide a dummy magnitude correction and a dummy phase correction; and a memory block is configured to store the dummy magnitude correction and the dummy phase correction. A method for calibrating a portable analytical test meter for use with an analytical test strip includes determining a dummy magnitude correction and a dummy phase correction of the portable analytical test meter using a dummy load calibration circuit block of the portable analytical test meter. The dummy magnitude correction and the dummy phase correction are stored in a memory block of the portable analytical test meter. Using the stored dummy magnitude correction and stored dummy phase correction, an analyte is determined.

Abstract: A test strip for use with an analyte meter comprises an integrated power source, such as a battery wherein the test strip is configured upon insertion into the meter to provide sufficient power for completing a sample assay without requiring a separate power source in the meter.

Abstract: Described are methods and systems to train a user in the proper operation of a manual patch pump to ensure that the user can attach the patch pump to a suitable location on the skin of the user and actuate the pump correctly in accordance with a prescribed dosing schedule or a self-calculated dosing schedule.

Abstract: Described and illustrated herein are one exemplary method and a measurement system having a meter and a test strip. The test strip has a first working electrode, reference electrode and second working electrode. In this method, acceptable fill data from known first current and known second current are used to predict an estimated second current at proximate the second time period (for a given batch of test strips) during the test sequence. The estimated second current at proximate the second time interval is then compared with a measured actual second current at proximate the second time interval during an actual test to determine if the measured actual second current is substantially equal to or within an acceptable percent deviation from the estimated second current so as to determine sufficient volume of a physiological fluid sample in the test strip.

Abstract: Two techniques of determining hematocrit using impedance and phase angle to determine hematocrit are shown and described for correcting an analyte concentration.

Abstract: An analyte meter is configured to digitally test for the presence of a test strip in the meter and for the presence of a sample in the test strip prior to activating an analog current measurement circuit of the meter. A test strip port connector having a plurality of contacts receives an inserted test strip in which the contacts electrically connect to electrodes on the test strip for digitally detecting both the presence of a test strip and a sample added to the test strip. A control circuit monitoring the contacts maintains the analyte meter in a low power mode until detecting both the test strip and the sample, whereupon the control circuit activates the meter and enables an analog analyte measurement circuit.

Abstract: Various embodiments that allow for determination of hematocrit by a time differential between the input and output signals such that a glucose measurement for a blood sample can be corrected by the measured hematocrit of the blood sample.

Abstract: Various embodiments of a technique to sample output signals at different time intervals from each of the electrodes in a biosensor to obtain respective glucose estimates including one where the output signals of at least one combination of electrodes measured at various time intervals are summed together to provide for a combined glucose estimate.

Abstract: A hand-held test meter for use with an analytical test strip in the determination of an analyte in a bodily fluid sample includes a housing, a clock module disposed in the housing, a micro-controller disposed in the housing, a low-distortion signal generation circuit block (“LDSGCB”) disposed in the housing, and a strip port connector configured to operationally receive the analytical test strip. The LDSGCB includes a signal summation circuit (“SSC”) sub-block, a resistance-capacitance (RC) filter, and a single operational amplifier. The clock module and micro-controller are configured to generate phase-shifted square wave signals and output the phase-shifted square wave signals to the SSC. The SSC is configured to sum the phase-shifted square wave signals to generate a resultant summed-wave signal and output the resultant summed-wave signal to the RC filter. The RC filter is configured to filter harmonics from the resultant summed-wave signal thereby creating a reduced harmonic distortion signal.

Abstract: Various embodiments that allow for improved accuracy in the measurement of glucose with a glucose meter and a biosensor, principally, by using pulsed signal inputs to the biosensor and selecting at least one specific pulsed output from the biosensor to determine a glucose concentration that is less affected by interfering chemical substances that might be present in the fluid sample.

Abstract: A hand-held test meter for use with an analytical test strip (for example, an electrochemical-based analytical test strip) in the determination of an analyte (such as glucose) in a bodily fluid sample (e.g., a whole blood sample) includes a housing, a micro-controller disposed in the housing, a body portion proximity sensor module disposed at least partially in the housing, and a strip port connector configured to operationally receive an analytical test strip. The body portion proximity sensor module of the analytical test strip is configured to sense presence of a user's body portion (e.g., a user's finger, forearm or palm) within a predetermined distance of the strip port connector and, upon sensing the presence of such a body portion, transmit a signal to the micro-controller indicating the presence of such a body portion.

Abstract: Various embodiments for methods and systems that allow for detecting of a direction in which a sample is flowing towards a plurality of electrodes and detecting a fill error of an electrochemical test strip.