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US 6,179,873 B2Granted
Intervertebral implant, process for widening and instruments for implanting an intervertebral implant
OwnerBernhard Zientekinventor
Life of this patent
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Abstract
The present invention relates to an adjustable-height intravertebral implant, having an approximately cylindrical hollow body which has one or more openings (59, 59′, 60, 60′) and which is variably expandable by adjusting elements, and which has fixation elements for fixing it to vertebral bodies. The present invention also relates to a method for expanding this intravertebral implant as well as to instruments for performing the method.
Claims15
An intravertebral implant, comprising:
- a body having an opening provided with an interior thread;
- an expansion element in the form of a screw which is screwed into said opening in engagement with said interior thread, said screw having a leading end,
- wherein said body has two opposed expandable areas provided with fixation elements to fix the implant to vertebral bodies, said expandable areas each having a connected end and a free end, such that said expandable areas are connected to each other at their connected ends while their free ends are expandable by said leading end of said expansion element.
Dependencies are inferred from the claim text.