Vertebral body replacement implant and instrument for handling the vertebral body replacement implant
US8273126B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 22, 2009 |
| Grant date | Sep 25, 2012 |
| Priority date | — |
| Expiry date | Dec 11, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2220/0025
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In a vertebral body replacement implant having a bottom locating part for positioning against a lower vertebral body and having a top locating part for positioning against an upper vertebral body, wherein both locating parts are telescopically displaceable relative to one another in the manner of a piston-cylinder unit, having a sealed hydraulic chamber formed by the locating parts, having a charging opening leading into the hydraulic chamber for a hydraulic medium, which upon entering the hydraulic chamber pushes the two locating parts apart from one another, and having a locking device, which may be activated by means of an instrument and upon activation fixes the two locating parts non-displaceably relative to one another, in order to facilitate the handling of the vertebral body replacement implant it is proposed that the locking device is disposed on the vertebral body replacement implant in the region of the charging opening. An instrument for handling the vertebral body replacement implant is also proposed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.