Surgical retractor systems and illuminated cannulae
US7491168B2 · kind B2 · utility
169Cited by
86References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2004 |
| Grant date | Feb 17, 2009 |
| Priority date | — |
| Expiry date | May 16, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/306
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
This invention includes surgical retractors that comprise an expandable frame that includes at least two base components, a connector, and at least two retractor blades attached to the expandable frame. Also included are surgical retractors that comprise a housing component that includes a cylindrical portion and a contiguous blade portion, assemblies comprising a surgical retractor assembled to at least one obtruator, illuminated surgical cannulas, and methods of using the same during a surgical procedure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.