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Prosthetic intervertebral disk




Title: Prosthetic intervertebral disk.
Abstract: An intervertebral disk prostheses for the total replacement of an intervertebral disk of the lumbar and cervical spine has an upper plate having upwardly projecting formations anchoring it to an upper vertebra on its upper face and a concavity on its inner face surrounded by an edge. A lower plate is provided with downwardly projecting formations anchoring it to a lower vertebra on its lower face and a flat inner face surrounding a groove extending front-to-back. A middle plate between the upper and lower plate has on its upper face a convexity that is identically or differently shaped to the concavity on the inner face of the upper plate and a ridge extending front-to-back surrounded by a flat lower face of the middle plate. The ridge has flanks and the groove houses the ridge of the middle plate and permits the ridge to slide front-to-back in the groove. ...


USPTO Applicaton #: #20120296429
Inventors: Nelli Wiedenbeck, Karin Buettner-janz


The Patent Description & Claims data below is from USPTO Patent Application 20120296429, Prosthetic intervertebral disk.




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Prosthetic intervertebral disc implants
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Spine surgery device
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Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor
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stats Patent Info
Application #
US 20120296429 A1
Publish Date
11/22/2012
Document #
13365308
File Date
02/03/2012
USPTO Class
623 1716
Other USPTO Classes
International Class
61F2/44
Drawings
5


Intervertebral Disk Prostheses

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Prosthesis (i.e., Artificial Body Members), Parts Thereof, Or Aids And Accessories Therefor   Implantable Prosthesis   Bone   Spine Bone   Including Spinal Disc Spacer Between Adjacent Spine Bones  

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20121122|20120296429|prosthetic intervertebral disk|An intervertebral disk prostheses for the total replacement of an intervertebral disk of the lumbar and cervical spine has an upper plate having upwardly projecting formations anchoring it to an upper vertebra on its upper face and a concavity on its inner face surrounded by an edge. A lower plate |
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