Blood typing device
US4851210A · kind A · utility
24Cited by
4References
33Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 22, 1986 |
| Grant date | Jul 25, 1989 |
| Priority date | — |
| Expiry date | May 22, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/80
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A membrane structure is disclosed having controlled capillarity useful in detecting cells in a solution by promoting effective contacting between cells and the membrane surface bearing affinity for selected cell sites. Also disclosed is a mtehod of using such membrane structures to detect particles in solution. One embodiment of the invention is an improved blood-typing device and method. The device may be attached to a blood bag, clamp, stick or the like, to provide a permanent visual record of blood type.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.