LifeScan, Inc. is a Johnson & Johnson company headquartered in Milpitas, California.LifeScan manufactures and markets Blood Glucose Monitoring Systems like the OneTouch Ultra family for home and hospital use. The company philosophy is to "create a world without limits for people with diabetes."LifeScan also has facilities in Inverness, Scotland; Burnaby, British Columbia, Canada; and Cabo Rojo, Puerto Rico. Animas Corporation of West Chester, Pennsylvania, acquired by Johnson & Johnson in 2006, reports to LifeScan. Animas produces and develops insulin pumps for people with diabetes. It is also developing a facility in Aguadilla in Puerto Rico for the production of test strips. Wikipedia.


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A mechanically operated medical infusion device with a dose counter is disclosed herein. The infusion device includes a pump and at least one mechanical activation mechanism for mechanically engaging the pump to deliver a dose of medicament to cause a dose event. The dose counter includes a sensor for detecting a vibration signature indicative of the dose event and a micro-controller for recording the dose event.


Described are methods and systems for determining clusters of glucose data that can be utilized to provide insights to the person with diabetes, such as, for example, when a certain number of measurements during a predetermined time period is less than a predetermined threshold so that the subject is notified that the number of glucose measurements is less than optimum for management of diabetes.


A system and a method for correcting an analyte concentration measurement taken by a test strip is described herein. The test strip includes at least two spaced apart electrodes defining an electrochemical cell or reaction chamber. An initial polarization parameter of the test strip is determined at the time of test strip manufacture and a testing polarization parameter is determined at the time of testing. A resulting correction factor is then determined based on the initial and testing polarization parameters. The correction parameter can be applied to a measured analyte concentration in order to correct the measured analyte concentration.


Patent
LifeScan | Date: 2016-11-03

Described and illustrated herein are systems and exemplary methods of operating an analyte measurement system having a meter and a test strip. In one embodiment, the method may be achieved by applying a first test voltage between a reference electrode and a second working electrode and applying a second test voltage between the reference electrode and a first working electrode; measuring a first test current, a second test current, a third test current and a fourth test current at the second working electrode after a blood sample containing an analyte is applied to the test strip; measuring a fifth test current at the first working electrode; estimating a hematocrit-corrected analyte concentration from the first, second, third, fourth and fifth test currents; and annunciating the hematocrit-corrected analyte concentration.


Patent
LifeScan | Date: 2016-11-18

An analyte measurement system includes a processor connected to a biosensor providing analyte data corresponding to an analyte level of a fluid sample. A user interface provides a menu of functions to a user and successively receives a plurality of menu choices, which the processor records. A storage device holds data defining a first action criterion. The processor compares the menu choices to the first action criterion. When the stored menu choices satisfy the first action criterion, the processor can automatically add a first additional function to the menu of functions, or can automatically presents a reward token via the user interface. The system can also include a housing holding the user interface, the storage device, and the processor. Methods are also disclosed.


Patent
LifeScan | Date: 2017-03-08

Methods and apparatus for electrochemically determining an analyte concentration value in a physiological sample are disclosed. The methods include using a test strip in which two time-current transients are measured by a meter electrically connected to an electrochemical test strip. Integrative current values are derived from the time-current transients and used in the calculation of analyte concentration.


A method that allow for an accurate glucose concentration with a biosensor by determining the hematocrit of the blood sample and deriving a calibration parameter relating to the biosensor to attain accurate glucose concentration.


Patent
LifeScan | Date: 2016-06-16

An analyte meter having a test strip port is configured to transmit an electric signal through a received test strip with a sample. A pair of electrodes apply the electric signal and receive an electrical response from the test strip. A processing unit analyzes the electrical response and uses the response to determine an analyte level of the sample.


Patent
LifeScan | Date: 2016-06-06

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.


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 (100). This includes monitoring the working electrodes (8,9,10,12,14,15) such that it is possible to determine fill direction/location by determining which electrode breaches a predetermined threshold first. This applies to systems with a plurality of electrodes in a number of orientations. Further, for systems which have analyte measurements along with physical characteristic measurement, it is also possible to achieve the same objectives by determining when each measurement (analyte measurement versus physical characteristic measurement) happens relative to the other. For test strips which can be filled from either side, the role of any electrode can change depending on the determination of fill direction. A measurement electrode can double up as a fill detect/full sufficiency electrode if it is determined that based on fill direction this electrode is now the last electrode in the chamber.

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