Posterior metal-on-metal disc replacement device and method
US8192494B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2006 |
| Grant date | Jun 5, 2012 |
| Priority date | — |
| Expiry date | Jan 6, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00179
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Provided is a device and method for replacing a diseased or damaged intervertebral disc in the spine of a patient. The device provided having at least two units, each of the units having an articulation surface and a bone contacting surface, the articulation surfaces of each of the at least two being in articulating opposition one to the other, one of which having a convex articulation surface and the other having a complementary concave articulation surface. The bone contacting surfaces being provided with bone implantation securing elements such as keel type or spike type protrusions. Also provided is a method of implanting the device into an intervertebral space from a posterior approach.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.