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AgaMatrix, Inc. Patents
Assignee:
AgaMatrix, Inc.
Address:
Salem, NH
No. of patents:
33
Patents:












Patent Number Title Of Patent Date Issued
D646993 Device for measuring the concentration of an analyte in a sample October 18, 2011
D545438 Analyte meter June 26, 2007
8293094 Method and apparatus for assay of electrochemical properties October 23, 2012
A method for monitoring a select analyte in a sample in an electrochemical system. The method includes applying to the electrochemical system a time-varying potential superimposed on a DC potential to generate a signal; and discerning from the signal a contribution from the select an
8268145 Electrochemical cell and method of making an electrochemical cell September 18, 2012
Electrochemical test cells are made with precision and accuracy by adhering an electrically resistive sheet having a bound opening to a first electrically conductive sheet. A notching opening is then punched through the electrically resistive sheet and the first electrically conducti
8257651 Analyte meter with rotatable user interface September 4, 2012
In one embodiment the present invention provides a blood analyte meter that is user-friendly and easy to use. In accordance with an embodiment of the present invention an analyte measurement device, for use with a test strip for determining the amount of an analyte in a sample, displays
8207336 Osmium compound useful as redox mediator June 26, 2012
Bis-(4,4'dimethyl-2,2'bipyridyl) picolinate osmium complexes are useful as mediators in the electrochemical test strips, such as those used in the detection of glucose.
8192610 Error detection in analyte measurements based on measurement of system resistance June 5, 2012
Measurement of the series track resistance of a working and counter electrode pair in an electrochemical test strip provide error detection for multiple variations in the quality of the test strip, as well as the operation of strip in the test meter. In particular, a single measurement
8182636 Electrochemical cell and method of making an electrochemical cell May 22, 2012
Electrochemical test cells are made with precision and accuracy by adhering an electrically resistive sheet having a bound opening to a first electrically conductive sheet. A notching opening is then punched through the electrically resistive sheet and the first electrically conducti
8172995 Electrochemical test strips May 8, 2012
An easily manufactured electrochemical test strip is made with facing electrode but side by side connectors for insertion into an electrochemical test meter. Current is conducted from the electrode on one layer to a connector on the other by a conductive layer disposed adjacent the e
8162968 Lancing device April 24, 2012
A lancing device is used with a lancet for lancing body tissue to result in a wound for bleeding. The lancing device has a cantilevered priming arm having a first arm portion that is generally parallel to an internal channel of the device and a second arm portion that is generally pe
8123920 Method and apparatus for assay of electrochemical properties February 28, 2012
The presence of a select analyte in the sample is evaluated in an electrochemical system using a conduction cell-type apparatus. A potential or current is generated between the two electrodes of the cell sufficient to bring about oxidation or reduction of the analyte or of a mediator
8057659 Detection of analytes in a dual-mediator electrochemical test strip November 15, 2011
Determination of an analyte such as glucose in a sample is done making use of a plurality of electron transfer reagents, for example two electron transfer reagents, that work together to transfer electrons between the enzyme and the electrodes. The first electron transfer agent is a
8030942 Method and apparatus for providing stable voltage to analytical system October 4, 2011
An electrochemical cell has two terminals. One of the terminals is connected to a pulse-width-modulated (PWM) power supply and to a voltmeter. The other terminal is connected to circuitry capable of switching between amperometric and potentiometric measurement modes. A sequence of su
8016997 Method for determination of analyte concentrations and related apparatus September 13, 2011
A method is provided for determining analyte concentrations, for example glucose concentrations, that utilizes a dynamic determination of the appropriate time for making a glucose measurement, for example when a current versus time curve substantially conforms to a Cottrell decay, or
7964146 Measuring device and methods for use therewith June 21, 2011
The ability to switch at will between amperometric measurements and potentiometric measurements provides great flexibility in performing analyses of unknowns. Apparatus and methods can provide such switching to collect data from an electrochemical cell. The cell may contain a reagent
7964089 Analyte determination method and analyte meter June 21, 2011
The presence of oxygen or red blood cells in a sample applied to an electrochemical test strip that makes use of a reduced mediator is corrected for by an additive correction factor that is determined as a function of the temperature of the sample and a measurement that reflects the
7943034 Method and apparatus for providing a stable voltage to an analytical system May 17, 2011
A method and apparatus for provide a stable voltage to an electrochemical cell used for measurement of an analyte such as glucose in a liquid sample. The apparatus uses a circuit in which multiple switching positions provide both calibration information for use in calibration of elec
7927345 Lancet cartridges and lancing devices April 19, 2011
A lancet cartridge has a U-shaped support with a pair of anchor portions, a base portion, and a pair of deformable leg portions connecting the anchor portions to the base portion. The pair of deformable leg portions change shape from an initial shape to an extended shape in response to a
7846321 Error detection in analyte measurements based on measurement of system resistance December 7, 2010
Measurement of the series track resistance of a working and counter electrode pair in an electrochemical test strip provide error detection for multiple variations in the quality of the test strip, as well as the operation of strip in the test meter. In particular, a single measurement
7837941 Method and apparatus for monitoring alteration of flow characteristics in a liquid sample November 23, 2010
A device for measuring blood coagulation time is formed from a first substrate; a second substrate; a spacer layer disposed between the first and second substrates, said spacer layer having an opening formed therein defining a sample receiving chamber, a vented sink chamber, and an e
7771583 Electrochemical determination of analytes August 10, 2010
Determination of an analyte with increased accuracy is achieved by electrochemically determining an initial analyte concentration, performing a plurality of amperometric/potentiometric switching cycles, observing a characteristic of the signal during each of the plurality of switchin
7713392 Test strip coding and quality measurement May 11, 2010
A test strip and analytical apparatus have pin connections permitting the definition of geographic regions or of particular customers. A test strip made for use in a particular region or for a particular customer will have pin connections matching features of the apparatus made for use i
7645374 Method for determination of analyte concentrations and related apparatus January 12, 2010
A method is provided for determining analyte concentrations, for example glucose concentrations, that utilizes a dynamic determination of the appropriate time for making a glucose measurement, for example when a current versus time curve substantially conforms to a Cottrell decay, or
7601249 Method and apparatus for assay of electrochemical properties October 13, 2009
A method for monitoring a select analyte in a sample in an electrochemical system. The method includes applying to the electrochemical system a time-varying potential superimposed on a DC potential to generate a signal; and discerning from the signal a contribution from the select an
7547382 Determination of partial fill in electrochemical strips June 16, 2009
Partial fill of an electrochemical test strip is determined by making a DC determination of double layer capacitance from charging or discharging charge on a test strip containing sample, for example a blood sample to be tested for glucose. The measured double layer capacitance is compar
7527716 Connector configuration for electrochemical cells and meters for use in combination therewith May 5, 2009
A substantially planar electrochemical test strip for determination of the presence and/or quantity of an analyte in a sample is provided that has a first electrode, a first connector including two contact pads, and a first conductive lead extending between the first electrode and the fi
7517439 Error detection in analyte measurements based on measurement of system resistance April 14, 2009
Measurement of the series resistance of a working and counter electrode pair in an electrochemical test strip provide error detection for multiple variations in the quality of the test strip, as well as the operation of strip in the test meter. In particular, a single measurement of
7501093 Vial for test strips March 10, 2009
A diagnostic test strip vial has a container, a lid, and a plurality of diagnostic test strips. The container has a generally annular wall terminating at a base and at an open mouth. The lid has a top and a lifting tray connected to the top by a connector that is sufficiently long th
7501052 Method and apparatus for assay of electrochemical properties March 10, 2009
The presence of a select analyte in the sample is evaluated in an an electrochemical system using a conduction cell-type apparatus. A potential or current is generated between the two electrodes of the cell sufficient to bring about oxidation or reduction of the analyte or of a media
7438694 Lancing device October 21, 2008
A lancing device is used with a lancet for lancing body tissue to result in a wound for bleeding. An improved lancing device has a priming knob having a slanted priming notch rotatably connected to the lancing device about an axis of rotation generally parallel to a central axis of the
7372277 Method and apparatus for providing stable voltage to analytical system May 13, 2008
An electrochemical cell has two terminals. One of the terminals is connected to a pulse-width-modulated (PWM) power supply and to a voltmeter. The other terminal is connected to circuitry capable of switching between amperometric and potentiometric measurement modes. A sequence of su
7344626 Method and apparatus for detection of abnormal traces during electrochemical analyte detection March 18, 2008
Detection of abnormal signal traces in electrochemical measurements generated using an electrochemical test strip to which a potential is applied allows for an indication of an erroneous analyte determination. The current trace has an expected shape in which a peak current is observe
7090764 Method and apparatus for processing electrochemical signals August 15, 2006
Systems and methods are provided herein for improving the selectivity and productivity of sensors via digital signal processing techniques. According to one illustrative embodiment, in an electrochemical method for monitoring of a select analyte in a mixed sample with an interfering

 
 
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