Blood transfer device
US4342341A · kind A · utility
29Cited by
12References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 12, 1980 |
| Grant date | Aug 3, 1982 |
| Priority date | — |
| Expiry date | Jun 12, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N35/1079
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An arrangement for sampling a liquid by a closed procedure which includes penetrating the closure (34) of a container (33) of liquid by a needle (62) having a bore (68), a solid point (63), and a radial passage (66) near the point of communication with the bore, the needle including a space (67) extending coaxially therein in addition to the bore, and outward apertures (70) and (71) communicating with the space and positioned so that when the needle penetrates the closure into the container for a predetermined distance, one of the apertures is within the container and another of the apertures is outside the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.