Cannula sealing
US10653449B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2016 |
| Grant date | May 19, 2020 |
| Priority date | — |
| Expiry date | Jan 6, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/3464
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical access device comprises a seal assembly (51) having a plurality of part circular sealing members (55) each attached to a common ring (53) which is held within the device about its longitudinal axis. In use, the sealing members are located radially inwards of the ring in a stacked relationship. When not within the device, the sealing members are movable from a position radially outwards of the ring to a position radially inwards of the ring. A seal core comprises the seal assembly and a protective member which, in use, is located on the proximal side of the seal assembly. A method of assembling the surgical access device is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.