Cannula seal
US9913972B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 6, 2013 |
| Grant date | Mar 13, 2018 |
| Priority date | — |
| Expiry date | May 9, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2039/2433
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A cannula seal is presented. The cannula seal includes a cap portion that fits over a cannula and a valve portion. The valve portion includes an hourglass seal and a cross slit seal. In some embodiments, the cap portion includes a tab. In some embodiments, the cap portion and the valve portion are integrally formed. In some embodiments, the cap portion and the valve portion are joined at a bonding region, which may include overflow traps. In some embodiments, ribs are included.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.