Intramedullary locking nail
US7776038B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 12, 2005 |
| Grant date | Aug 17, 2010 |
| Priority date | — |
| Expiry date | May 6, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/725
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An intramedullary locking nail for treating bone fractures and which have spaced apart regions has at least one transverse hole for receiving a bone screw and at least one transverse hole being configured as an elongate hole extending in the longitudinal axial direction of the nail. An end portion of the elongate hole being wider than an adjacent portion of the elongate hole. The adjacent portion of the elongate hole having a constant width over its length. A bone screw is provided having a cross-sectional contour having a flattened segment. The end portion of the elongate hole being formed such that the bone screw is locked in a first rotational position in the end portion, and in a second rotational position, may enter the adjacent portion unhindered from the end portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.