Syringes with mixing chamber in a removable cap
US10596069B2 · kind B2 · utility
3Cited by
33References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2015 |
| Grant date | Mar 24, 2020 |
| Priority date | — |
| Expiry date | Jun 23, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/3104
- 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 the resulting mixture from the device. The mixing device comprises a syringe having an open end and outlet and containing a first component; and a cap with a fixed outer body and an expandable chamber contained therein, wherein said cap is removably attached to the outlet of the syringe and a cross-section of the cap is larger than a syringe cross-section and the cap is shorter than the syringe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.