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System and method for determining an abused sensor during analyte measurement
   
Document Number
US Patent 7488601
Issued Date
February 10, 2009
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Abstract
A method of measuring an analyte in a biological fluid comprises applying an excitation signal having a DC component and an AC component. The AC and DC responses are measured; a corrected DC response is determined using the AC response; and a concentration of the analyte is determined based upon the corrected DC response. Other methods and devices are disclosed.
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Number of Claims:
8
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Owner
Roche Operations Ltd. (Hamilton,BM)
Published
February 10, 2009
Application Number
10/688,561
Filed
October 17, 2003
US Classification
436/150   422/82.01 422/82.02 422/82.03 422/82.04 436/149 436/151 436/43 436/68 436/93 436/94 436/95
Int'l Classification
G01N   27/20   (20060101)  
Parent Case
CROSS-REFERENCE TO RELATED APPLICATIONS This application claims the benefit of U.S. Provisional Application No. 60/480,298, filed Jun. 20, 2003. The contents of this application are hereby incorporated by reference herein.
USPTO Field of Search
422/55   422/56   422/57   422/58   422/82.55   422/56   422/57   422/58.04   436/43   436/46   436/68   436/93   436/94   436/95   436/131   436/93   436/94   436/95   436/183  
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