Bone fixture assembly
US9566098B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 19, 2012 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Nov 2, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/8042
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An assembly for rigid bone fixation includes a plate and a screw. The screw can be rotated freely within the plate in a non-locking configuration to secure the plate against the bone. A locking mechanism is engaged to prevent the screw from moving relative the plate. In one embodiment, the plate includes a threaded portion and a non-threaded portion. The screw head rotates within the non-threaded portion to tighten the screw and pull the plate against the bone. The locking mechanism can include a moveable nut that rotates within the threaded portion of the plate to lock the screw and plate in a locking mode. The assembly can be used for rigid fixation of bones that experience cyclic loads, such as the sternum and mandible. Methods of rigid bone fixation are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.