Syringe with disabling mechanism
US8920371B2 · kind B2 · utility
1Cited by
21References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2012 |
| Grant date | Dec 30, 2014 |
| Priority date | — |
| Expiry date | Dec 27, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/5073
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Syringe assemblies having a passive disabling system to prevent reuse are provided. According to one or more embodiments, the syringe assembly comprises a barrel, plunger rod and stopper wherein the plunger rod further comprises a flexible protrusion that locks the plunger rod within the barrel. Certain embodiments further include a frangible portion on the plunger rod that breaks when reuse is attempted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.