Surgical access device
US7967791B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 23, 2007 |
| Grant date | Jun 28, 2011 |
| Priority date | — |
| Expiry date | May 4, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/3441
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Methods and devices for accessing a body cavity are disclosed. In general, a surgical access device is provided that can include a cannula that defines a working channel that is sized and configured to receive a surgical instrument. A seal can be disposed in the cannula of the surgical access device. In one exemplary embodiment, the seal can be positioned at a point in the cannula that is effective to maintain contact between the seal and an instrument inserted therethrough as the instrument is rotated about that point.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.