Spinal implants for lumbar vertebra to sacrum fixation
US8636771B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2011 |
| Grant date | Jan 28, 2014 |
| Priority date | — |
| Expiry date | Dec 18, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/7067
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A spinal implant is provided for posterior vertebral stabilization and/or fixation of a lumbar vertebra relative to the pelvis by attachment to the spinous process of a lumbar vertebra and to the sacrum of the pelvis. The posterior spinal implant has a spinous process attachment portion and a sacrum attachment portion formed by a first part having a first spinous process segment and a first sacrum segment and a second part having a second spinous process segment and a second sacrum segment. The first segments are carried on a first arm, while the second segments are carried on a second arm with the first and second arms adjustable relative to each other. The first and second spinous process segments and the first and second sacrum segments each have a plurality of inwardly extending spikes for respectively gripping or clamping against the sides of the spinous process and the sacrum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.