Sample dispenser
US7201880B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2000 |
| Grant date | Apr 10, 2007 |
| Priority date | — |
| Expiry date | Mar 17, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/2575
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to a sample dispenser, for the application of liquid samples on to a sample absorbing area, with a sample dispenser body (1) having at its end a sample pick-up surface (5) bounded by a continuous edge (6), wherein the sample pick-up surface (5) is provided with a recess (7) such that, when the sample pick-up surface (5) is dipped into a sample reservoir, a droplet of liquid sample of predetermined size adheres to the sample pick-up surface (5) and by placing of the sample pick-up surface (5) on the sample absorbing area is completely dispensed, and wherein the recess (7) is in the form of a flat recess (7), that is to say, it has a depth which is less than its width.The sample dispenser according to the invention is of very simple design. In using it, the desired sample amount to be transferred is determined by the flat recess of the sample pick-up surface and can be reproduced very precisely.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.