Improved methods and apparatuses for vertebral body distraction and fusion in accordance with various embodiments of the present invention employ one or more coaxial screw gear sleeve mechanisms. In various embodiments, coaxial screw gear sleeve mechanisms include a post with a threaded exterior surface and a corresponding sleeve configured to surround the post, the corresponding sleeve having a threaded interior surface configured to interface with the threaded exterior surface of the post and a geared exterior surface. A drive mechanism can be configured to interface with the geared exterior surface of the sleeve, causing the device to distract.
申请公布号
EP2457001(A4)
申请公布日期
2013.01.30
申请号
EP20100802916
申请日期
2010.07.22
申请人
SPINEX TEC, LLC
发明人
JIMENEZ, OMAR, F.;POWLEY, NICHOLAS, RANSOM;FISCHER, ANDREW, G.;SAFRIS, YEFIM, I.