Flip-top design cannula
US8109910B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2009 |
| Grant date | Feb 7, 2012 |
| Priority date | — |
| Expiry date | Oct 12, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/3492
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
There's provided a flip-top cannula assembly including a cannula having a cannula seal for receiving a range of surgical instruments having a first predetermined diameter and a reducer cap movably mounted on the cannula. The reducer cap includes a reducer seal having an opening which is substantially smaller than that of a cannula seal associated with the cannula for receiving a range of surgical instruments having a diameter smaller than that of the first predetermined diameter. In the disclosed embodiments, the reducer seal is movable from a closed position wherein the reducer seal overlies the cannula seal to effectively reduce the seal opening of the cannula to a closed position wherein the reducer seal is spaced apart from the cannula seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.