Electrochemical-sensor design
USRE44521E1 · kind E1 · reissue
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2008 |
| Grant date | Oct 8, 2013 |
| Priority date | — |
| Expiry date | Oct 23, 2028 |
Classification
- Technology area (CPC —)General
Abstract
An electrochemical test sensor adapted to assist in determining the concentration of analyte in a fluid sample is disclosed. The sensor comprises a base that assists in forming an opening for introducing the fluid sample, a working electrode being coupled to the base, and a counter electrode being coupled to the base, the counter electrode and the working electrode being adapted to be in electrical communication with a detector of electrical current, and a sub-element being coupled to the base. A major portion of the counter electrode is located downstream relative to the opening and at least a portion of the working electrode. The sub-element is located upstream relative to the working electrode such that when electrical communication occurs between only the sub-element and the working electrode there is insufficient flow of electrical current through the detector to determine the concentration of the analyte in the fluid sample.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.