Syringe having a squeeze-fit plunger rod
US9119919B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2012 |
| Grant date | Sep 1, 2015 |
| Priority date | — |
| Expiry date | Sep 3, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/31518
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A syringe assembly having an exterior surface and defining a chamber having a stopper disposed therein is disclosed. The syringe assembly includes a plunger assembly having an elongated plunger rod and a handle portion connected thereto, the plunger rod including a depending leg and at least one hinge connecting the depending leg with the handle portion. The plunger rod is adapted to transition from a collapsed position, in which at least a portion of the depending leg extends along at least a portion of the exterior surface of a syringe barrel, to an extended position in which at least a portion of the depending leg engages the stopper. The at least one hinge maintains the depending leg substantially parallel to a longitudinal axis of the syringe barrel in both the collapsed position and the extended position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.