Expandable screw apparatus and method thereof
US6668688B2 · kind B2 · utility
62Cited by
16References
23Claims
0Family size
Inventors
Key dates
| Filing date | Jun 28, 2001 |
| Grant date | Dec 30, 2003 |
| Priority date | — |
| Expiry date | Jun 28, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S606/916
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus for an expandable screw including an outer screw, a inner screw, and an end nut. An assembly and method for driving and expanding an expandable screw apparatus into a surface or structure. The assembly and method dynamically expand the expandable screw by driving and expanding the expandable screw simultaneously.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.