Syringe having a removable cover for use as a plunger rod in rotational engagement
US8882719B2 · kind B2 · utility
6Cited by
1References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2012 |
| Grant date | Nov 11, 2014 |
| Priority date | — |
| Expiry date | Nov 26, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/31518
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A syringe assembly includes a syringe barrel defining a chamber, a stopper disposed within the chamber, and a plunger assembly. The plunger assembly includes an elongated plunger rod, a housing, and a handle portion connecting the plunger rod and housing. The plunger assembly transitions from a first position disposed about the syringe barrel, to a second position with the plunger rod engaged with the stopper. Transition of the plunger assembly includes rotational engagement of the plunger rod and stopper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.