Method and device for retractor for microsurgical intermuscular lumbar arthrodesis
US6692434B2 · kind B2 · utility
126Cited by
33References
3Claims
0Family size
Inventor
Key dates
| Filing date | Oct 1, 2001 |
| Grant date | Feb 17, 2004 |
| Priority date | — |
| Expiry date | Oct 1, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An instrument useful in performing lumbar arthrodesis with a minimal approach which spares the lumbar muscles from surgical disruption and includes one of two retractor designs having blades angled approximately 90° with respect to each respective retractor handle. One blade is bent at an end portion thereof in a direction away from the handle portion. The other blade has first and second blade faces, with the second face having at least two toothed structures located thereon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.