Self-tapping resorbable two-piece bone screw
US6916321B2 · kind B2 · utility
350Cited by
54References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2001 |
| Grant date | Jul 12, 2005 |
| Priority date | — |
| Expiry date | Jan 22, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S606/909
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An orthopedic interference screw has a hard, self-threading front section and a bioabsorbable rear section. The two sections are conjoined and threaded such that the hard front section cuts threads into the bone and the softer rear section follows the threads into the bone. Preferably, the screw has an axial bore for matingly receiving a turning tool such as a hex wrench.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.