Artificial intervertebral disc
US7803192B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2007 |
| Grant date | Sep 28, 2010 |
| Priority date | — |
| Expiry date | Oct 16, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0063
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An artificial intervertebral disc and method of attaching the disc to vertebral bodies includes a plurality of separate structural members arranged in a stacked configuration, wherein each structural member comprises a female cavity having a unique size compared with the female cavities of the other structural members, wherein a top and middle structural member comprise male bodies defined by outer edges of the respective female cavities of the top and middle structural members, wherein the male body of the top structural member is dimensioned and configured to sit in the female body of the middle structural member, wherein the male body of the middle structural member is dimensioned and configured to sit in the female body of a bottom structural member, and wherein each of the top and bottom structural member comprise at least one projecting member outwardly extending therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.