Back to results
US 6,582,466 B1Granted
Intervertebral disc prosthesis with reduced friction
AssigneeStryker Spine
InventorFabien Gauchet
Life of this patent
Estimating the term…
Abstract
An intervertebral disc prosthesis includes two opposing plates, a flexible seal extending between the two plates for forming a fluid-tight chamber between the two plates, a first fluid provided in the chamber, and a compressible body provided in the first fluid in the chamber, whereby the compressible body has greater resistance to compression forces than the first fluid.
Claims21
An intervertebral disc prosthesis comprising:
- two opposing plates;
- a flexible seal extending between said two plates for forming a fluid-tight chamber between said two plates;
- a first compressible fluid provided in said chamber;
- a compressible body provided in said first compressible fluid in said chamber, wherein said compressible body has greater resistance to compression forces than said first compressible fluid.
1 more element
An intervertebral disc prosthesis comprising:
- two opposing plates;
- a flexible seal extending between said two plates for forming a fluid-tight chamber between said two plates;
- a compressible first fluid provided in said chamber;
- a compressible body provided in said chamber, wherein said compressible body has at least one cell embedded therein filled with a second fluid.
1 more element
Dependencies are inferred from the claim text.