Surgical access devices and methods of minimally invasive surgery
US7981031B2 · kind B2 · utility
127Cited by
190References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2006 |
| Grant date | Jul 19, 2011 |
| Priority date | — |
| Expiry date | Mar 20, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/0293
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical access device includes a proximal frame of fixed construction and a plurality of tissue engaging blades connected to the frame. The plurality of tissue engaging blades may include a first blade that is rotatable, independent of other blades, about an axis that is oriented approximately parallel to a plane defined by the proximal frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.