Non-circular stabilization sphere and method
US8083798B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2005 |
| Grant date | Dec 27, 2011 |
| Priority date | — |
| Expiry date | Dec 17, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2230/0071
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A spacer for inserting between vertebral members. The spacer has a non-spherical shape with an anterior section having a first shape and a posterior section having a different shape. An attachment means is positioned within the posterior section, and may include a receiver for attachment with an insertion device, and an anti-rotation mechanism for assistance in removing the spacer from the insertion device. Embodiments of using the spacer is also disclosed which may include inserting the spacer between the vertebral members in a generally posterior approach. Once inserted, the insertion device acts with the anti-rotation device to remove a connection mechanism from the receiver. The spacer remains between the vertebral members and provides relief to the patient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.