Title:
EXPANDABLE AND ANGULARLY ADJUSTABLE INTERVERTEBRAL CAGES WITH ARTICULATING JOINT
Document Type and Number:
WIPO Patent Application WO/2018/002720
Kind Code:
A3
Abstract:
The embodiments provide various interbody fusion spacers, or cages, for insertion between adjacent vertebrae. The cages may contain an articulating joint to allow expansion and angular adjustment, and enable upper and lower plate components to move relative to one another. The cages may have a first, insertion configuration characterized by a reduced size at each of their insertion ends to facilitate insertion through a narrow access passage and into the intervertebral space. In their second, expanded configuration, the cages are able to maintain the proper disc height and stabilize the spine by restoring sagittal balance and alignment. The intervertebral cages are able to adjust the angle of lordosis, and can accommodate larger lodortic angles in their second, expanded configuration. Further, these cages may promote fusion to further enhance spine stability by immobilizing the adjacent vertebral bodies.
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Inventors:
EISEN GUNTMAR (DE)
GANTER DETLEV (DE)
EIF MARCUS (DE)
GANTER DETLEV (DE)
EIF MARCUS (DE)
Application Number:
PCT/IB2017/000955
Publication Date:
February 08, 2018
Filing Date:
June 28, 2017
Export Citation:
Assignee:
EIT EMERGING IMPLANT TECH GMBH (DE)
International Classes:
A61F2/44; A61F2/30
Domestic Patent References:
| WO2016118246A1 | 2016-07-28 |
Foreign References:
| US6685742B1 | 2004-02-03 | |||
| FR3026294A1 | 2016-04-01 | |||
| US6454807B1 | 2002-09-24 |
Attorney, Agent or Firm:
SCHULZ, Oliver et al. (DE)
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