Posterior spinal implant
US6077262A · kind A · utility
715Cited by
11References
50Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 1997 |
| Grant date | Jun 20, 2000 |
| Priority date | — |
| Expiry date | Feb 20, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/7032
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A spinal screw or hook has a slotted head to receive a support rod. A two-piece rod retainer is provided with an outer ring-like collar locked into the interior of the slotted head and a fastener extending through the collar to contact a support rod in the bottom of the slot.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.