Method and device for retractor for microsurgical intermuscular lumbar arthrodesis
US7214186B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Dec 22, 2003 |
| Grant date | May 8, 2007 |
| Priority date | — |
| Expiry date | Dec 20, 2024 |
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.