Orthopedic screw having driver-locking head
US6620167B2 · kind B2 · utility
19Cited by
6References
15Claims
0Family size
Inventors
Key dates
| Filing date | Oct 17, 2001 |
| Grant date | Sep 16, 2003 |
| Priority date | — |
| Expiry date | Apr 30, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/8877
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
According to this invention an orthopedic screw having a first portion and a second portion is disclosed, wherein said first portion comprises a head having a substantially smooth exterior surface and further comprising a recessed portion, wherein said recessed portion comprises a polygonal shape and a deflection beam, such that said first portion receives a driver head within said recessed potion, and wherein said second portion comprises an elongated portion adapted for insertion into a substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.