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US 5,562,737 AGranted
Extra-discal intervertebral prosthesis
OwnerHenry Grafinventor
Life of this patent
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Abstract
An extra-discal intervertebral prosthesis comprising at least a partially closed, elongated body including a compression chamber having an elastic block at one end. The block has a free face abutted by a ball joint associated with a first of two fixation means engagable in spaced vertebrae of a patient.
Claims32
An extra-discal prosthesis comprising:
- a means for attaching the prosthesis onto two vertebrae of a spine of a patient, said means for attaching including first and second fixation means adapted to engage the two vertebrae;
- a body having a first end and a second end, said body being at least partially closed and including a compression chamber having an elastic block at said first end;
- a ball joint in abutment with a free face of said elastic block, said ball joint engaging said first fixation means;
- and
- a connection means extending from said body and engaging said second fixation means.
2 more elements
Dependencies are inferred from the claim text.