Intervertebral disc replacement and associated instrumentation
US9277930B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 8, 2014 |
| Grant date | Mar 8, 2016 |
| Priority date | — |
| Expiry date | Aug 8, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/30884
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An endplate for an intervertebral prosthesis includes an inner domed region and a peripheral rim wherein the inner domed region has a non-circular plan and has an area that is at least 50% of the area of the endplate. A surgical instrument for milling a recess in a vertebral endplate includes a cutting tool having a drive shaft with a positioning collar, a guard frame, and a pair of guide plates attached to the guard frame and spaced to confine the positioning collar and having guide slots for the drive shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.