Biological diagnostic device and method of use
US4906439A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 21, 1987 |
| Grant date | Mar 6, 1990 |
| Priority date | — |
| Expiry date | Dec 21, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/2575
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A biological diagnostic device and process for efficiently and accurately analyzing a sample of a biological fluid for in analyte of interest. The device, which is a preferred embodiment utilized for the analysis of whole blood samples, comprises a diagnostic test element and a sample application unit comprising a fluid delivery element and means for providing sample fluid to the fluid delivery element. The fluid delivery element comprises a layer having a plurality of grooves, or channels, in the surface thereof which is adjacent the test element. The fluid which is provided to the grooves is subsequently delivered to the test element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.