Expandable helical cage
US7297162B2 · kind B2 · utility
81Cited by
29References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 9, 2004 |
| Grant date | Nov 20, 2007 |
| Priority date | — |
| Expiry date | Jun 25, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00173
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An expandable implant having a helical body and first and second securing pieces. Ends of the helical body are connected to the first and second end pieces. The first and second end pieces can be rotated relative to one another to expand the implant from a first dimension to a selected second dimension. The implant further includes a locking arrangement to maintain the implant at the selected second dimension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.