Combined syringe and needle shield and method of manufacture
US5127910A · kind A · utility
53Cited by
44References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 1991 |
| Grant date | Jul 7, 1992 |
| Priority date | — |
| Expiry date | Mar 27, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/3104
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A safety syringe including a needle shield which is movable between a retracted position wherein the needle is exposed and an extended position wherein the distal needle point is protected. The needle shield is also rotatable in either direction from the releasable extended position to a locked and extended position. A collar having a plurality of protrusions and locking slots thereon is mounted on the distal end of the syringe to interact with a plurality of elongate keys which extend inwardly from the interior surface of the needle shield.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.