Blood filming process
US4197329A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 10, 1975 |
| Grant date | Apr 8, 1980 |
| Priority date | — |
| Expiry date | Mar 10, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2001/2846
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An improved liquid-filming apparatus of the type which utilizes centrifugal action to distribute blood on a specimen-display surface, i.e. on a conventional laboratory slide, and which utilizes a waste-collecting means about the perimeter of the slide display surface. The invention is based on the discovery that the display surface is advantageously related to the surrounding structure in such a way that blood does not disintegrate into minute droplets upon leaving the slide surface and before it can be immobilized in the collecting means. By providing a transitional blood-receiving surface immediately adjacent the supply surface, applicant has avoided the problem of such disintegration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.