Polyaxial locking plate
US5954722A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 29, 1997 |
| Grant date | Sep 21, 1999 |
| Priority date | — |
| Expiry date | Jul 29, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/8057
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A locking plate apparatus for engagement with a bone is provided in accordance with the present invention. Locking plate apparatus includes a plate that has a body portion and an internal wall defining a plate hole through body portion and a bushing with a passageway therethrough. Bushing is sized for polyaxial rotation within plate hole. Locking plate apparatus also includes an attachment component that has a leading portion sized for extension through passageway and into bone and an opposite trailing portion. Trailing portion presses bushing against internal wall of plate to forrn a friction lock between bushing and plate in a selected polyaxial position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.