Variable angle compression plate
US8758346B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2010 |
| Grant date | Jun 24, 2014 |
| Priority date | — |
| Expiry date | Jan 16, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/8057
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A bone plate comprises a first surface and a second surface in combination with a first hole extending through the bone plate from the first surface to the second surface, the hole including a compression portion and a variable angle portion open to one another by a connecting space. The compression portion includes a sloping surface adapted to engage a head of a bone fixation element inserted thereinto so that the bone fixation element imparts a force to the bone plate to move the bone plate laterally relative to a portion of bone into which the bone fixation element is inserted. The variable angle portion includes a plurality of columns positioned about a circumference of a wall of the variable angle portion. The columns are separated from one another by a plurality of positioned between adjacent pairs of columns and including a plurality of protrusions extending radially inward therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.