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Novel electrode design for biosensor

A technology of counter electrode and measuring electrode, which is applied in the direction of instruments, scientific instruments, electrochemical variables of materials, etc., and can solve problems such as preventing the inspection of instruments

Active Publication Date: 2011-11-16
F HOFFMANN LA ROCHE & CO AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such an increase in trace resistance may prevent the test meter from performing an accurate test

Method used

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  • Novel electrode design for biosensor
  • Novel electrode design for biosensor
  • Novel electrode design for biosensor

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Embodiment Construction

[0023] For the purposes of promoting an understanding of the principles of the invention, reference will now be made to the embodiments illustrated in the drawings, and specific language will be used to describe the same. However, it should be understood that no limitation of the scope of the invention is intended. Alterations and modifications of the described apparatus, and still further applications of the principles of the invention as described herein, are contemplated and desired to be protected, as would normally occur to one of ordinary skill in the art to which the invention pertains. In particular, while the invention is discussed in relation to blood glucose meters, it is envisioned that the invention can be used with devices for measuring other analytes and other sample types. Such alternative embodiments would require certain adaptations to the embodiments discussed herein, as would be apparent to those of ordinary skill in the art.

[0024] While the systems and...

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Abstract

A test strip for measuring a signal of interest in a biological fluid when the test strip is mated to an appropriate test meter, wherein the test strip and the test meter include structures to verify the integrity of the test strip traces, to measure the parasitic resistance of the test strip traces, and to provide compensation in the voltage applied to the test strip to account for parasitic resistive losses in the test strip traces. In addition, conductive traces are positioned to ensure structural interrogation of all electrodes and traces present upon the test strip.

Description

technical field [0001] The present invention relates to methods for measuring signals such as those related to the concentration of an analyte within a biological fluid, such as blood glucose, and those related to interference with the analyte concentration signal, such as hematocrit and temperature in the case of blood glucose device of. The present invention more particularly relates to systems and methods for quality assurance of biosensor test strips. Background technique [0002] Measuring the concentration of substances in biological fluids is an important tool for diagnosing and treating many medical conditions. For example, the measurement of glucose in body fluids such as blood is extremely important for effective treatment of diabetes. [0003] Diabetes therapy generally consists of two types of insulin therapy: basal, and mealtime. Basal insulin refers to continuous, such as gradual-release insulin, often taken at bedtime. Mealtime insulin therapy provides add...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/487G01N27/30G01N27/416
CPCG01N27/3271G01N27/3272
Inventor R·K·里格勒斯A·D·约瑟夫T·芬克
Owner F HOFFMANN LA ROCHE & CO AG