×

Method for determining whether a disposable, dry regent, electrochemical test strip is unsuitable for use

  • US 8,859,293 B2
  • Filed: 06/02/2011
  • Issued: 10/14/2014
  • Est. Priority Date: 06/20/2003
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for detecting whether a disposable, dry reagent, electrochemical test strip is unsuitable for use in determining a concentration of a medically significant component of a biological fluid, comprising:

  • a) applying a signal to the tests trip before dosing the test strip, the test strip including a pair of measurement electrodes and a dry reagent, the signal having an AC component, the signal being applied between the measurement electrodes of the test strip;

    b) measuring an AC response to the signal; and

    c) using the AC response to determine if the test strip is unsuitable for use.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×