Prosthetic Intervertebral Discs Implantable By Minimally Invasive Surgical Techniques
First Claim
Patent Images
1. A prosthetic intervertebral disc, comprising:
- a first end plate;
a second end plate;
at least one compressible core member having a modified olive shape and positioned between said first and second end plates;
at least one fiber extending between and engaged with said first and second end plates; and
at least one binding element compressing at least a portion of the disc to a lower profile, and wherein said end plates and said core member are held together by said at least one fiber.
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Abstract
The described devices are bound spinal implants that may be surgically implanted into the spine to replace damaged or diseased discs using a posterior, lateral, or postero-lateral approach. The discs are prosthetic devices that approach or mimic the physiological motion and reaction of the natural disc.
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Citations
20 Claims
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1. A prosthetic intervertebral disc, comprising:
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a first end plate; a second end plate; at least one compressible core member having a modified olive shape and positioned between said first and second end plates; at least one fiber extending between and engaged with said first and second end plates; and at least one binding element compressing at least a portion of the disc to a lower profile, and wherein said end plates and said core member are held together by said at least one fiber. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A prosthetic intervertebral disc comprising:
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a first end plate having an inner surface comprising a generally rounded recess that conforms in shape to the exterior of a compressible core member, a second end plate having an inner surface comprising a generally rounded recess that conforms in shape to the exterior of the compressible core member, the compressible core member having an exterior surface shape conforming to the rounded recesses in said first and second end plates and positioned between said first and second end plates, at least one fiber extending between and engaged with said first and second end plates. - View Dependent Claims (18, 19, 20)
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Specification