Device for sampling and/or injecting inside a plugged sample tube
US6135172A · kind A · utility
19Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 1999 |
| Grant date | Oct 24, 2000 |
| Priority date | — |
| Expiry date | Apr 19, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/192
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention concerns a hollow needle axially mobile so as to pierce a container stopper. Said needle comprises a pointed end with a cutting edge tangent to the needle cylindrical body generatrix, an oblique shape linking the edge to said cylindrical body and a side outlet orifice of the channel centred on said generatrix and a site spaced from the edge, said orifice being centred perpendicular to the needle longitudinal axis. This invention is applicable to automatic and semiautomatic analytical equipment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.