Surgical retractor apparatus for use with a surgical port
US7344495B2 · kind B2 · utility
50Cited by
50References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 2005 |
| Grant date | Mar 18, 2008 |
| Priority date | — |
| Expiry date | May 5, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/3464
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An improved surgical retraction apparatus (and corresponding method of operation) includes a plurality of rigid retraction members disposed about a central axis that move radially with respect to the central axis between a closed state and an open state. In the closed state, the retraction members form a central opening that is adapted to closely fit around the tubular section of a surgical port device. In the illustrative embodiment, a planetary gear train, cable assemblies, lever arms or two annular slotted plates used to control radial movement of the retraction members with respect to the central axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.