Multi-compartment pre-filled mixing syringes with bypass
US9731076B2 · kind B2 · utility
0Cited by
21References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2012 |
| Grant date | Aug 15, 2017 |
| Priority date | — |
| Expiry date | Jul 31, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/31511
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention is directed to a multi-compartment medical device for segregated storage and on demand mixing of at least two components and expression of a resulting mixture from the device having a tubular barrel with an opening and a gasket sealing the rear end through which a plunger is axially slidable within the tubular barrel. At least one bypass is provided in the barrel in order to enable fluid movement of the components between front and rear compartments and rear compartments. The present invention is also directed to methods for the use of such devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.