Method and device for microsurgical intermuscular spinal surgery
US7166073B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 28, 2005 |
| Grant date | Jan 23, 2007 |
| Priority date | — |
| Expiry date | Mar 28, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/0256
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A retractor is provided for performing spinal surgery with a minimal approach, and which spares the lumbar muscles from surgical disruption. A preferred embodiment includes a blade having first and second faces wherein the faces are positioned substantially transverse to one another, and wherein at least one of the faces has a tapered width. Alternatively, both the first and second faces are tapered. Additionally, a third face positioned transverse to the first face and substantially parallel to the third face may be incorporated into the retractor. The second face also preferably includes at least one tooth, and more preferably, a plurality of teeth at its distal end for laterally engaging an articular process of a vertebra of the spine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.