Conically shaped anterior fusion cage and method of implantation
US5906616A · kind A · utility
260Cited by
64References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 15, 1997 |
| Grant date | May 25, 1999 |
| Priority date | — |
| Expiry date | Jan 15, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00023
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A fusion cage for vertebral body fusion is conically-shaped. A thread is formed as part of the external conical surface of the fusion cage. Apertures are defined through the fusion cage in order to provide for contact between the engaged vertebral bone structures and bone growth inducing substances packed within the fusion cage. The fusion cage is introduced and maintains or increases the lordosis between adjacent vertebral bone structures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.