Mobile bearing spinal device and method
First Claim
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1. An artificial vertebral joint for interposition between a superior vertebra and an inferior vertebra, the artificial vertebral joint comprising:
- a superior retaining portion;
an inferior retaining portion; and
a semi-cylindrical shaped mobile bearing adapted for insertion between the superior retaining portion and the inferior retaining portion, wherein the semi-cylindrical shaped mobile bearing is further adapted to move within the inferior retaining portion.
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Abstract
An artificial vertebral joint for interposition between a superior vertebra and an inferior vertebra, the artificial vertebral joint comprises a superior retaining portion and an inferior retaining portion. The joint further comprises a half-cylinder shaped mobile bearing adapted for insertion between the superior retaining portion and the inferior retaining portion, wherein the half-cylinder shaped mobile bearing is further adapted to move within the inferior retaining portion.
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Citations
42 Claims
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1. An artificial vertebral joint for interposition between a superior vertebra and an inferior vertebra, the artificial vertebral joint comprising:
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a superior retaining portion;
an inferior retaining portion; and
a semi-cylindrical shaped mobile bearing adapted for insertion between the superior retaining portion and the inferior retaining portion, wherein the semi-cylindrical shaped mobile bearing is further adapted to move within the inferior retaining portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An artificial vertebral joint for interposition between a superior vertebra and an inferior vertebra, the artificial vertebral joint comprising:
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a first arthroplasty half comprising a first superior retaining portion, a first inferior retaining portion, and a first semi-cylindrical shaped mobile bearing adapted for insertion between the first superior retaining portion and the first inferior retaining portion, wherein the first semi-cylindrical shaped mobile bearing is movable within the first inferior retaining portion, and a second arthroplasty half comprising a second superior retaining portion, a second inferior retaining portion, and a second semi-cylindrical shaped mobile bearing adapted for insertion between the second superior retaining portion and the second inferior retaining portion, wherein the second semi-cylindrical shaped mobile bearing is movable within the second inferior retaining portion. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. A method of implanting an artificial spinal joint, the method comprising:
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creating first exposure through a patient'"'"'s back to access an intervertebral space;
inserting at least a portion of the artificial spinal joint through the first exposure; and
positioning a first anterior joint portion of the artificial spinal joint in the intervertebral space, wherein the first anterior joint portion comprises a first superior retaining portion, a first inferior retaining portion, and a first semi-cylindrical shaped mobile bearing positioned between the first superior retaining portion and the first inferior retaining portion, wherein the first semi-cylindrical shaped mobile bearing is further adapted to move within the first inferior retaining portion. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41)
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42. A system for creating at least a portion of a coupling between a superior vertebra and an inferior vertebra comprising:
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a first means for connecting to the superior vertebra, the first means comprising a first retaining means;
a second means for connecting to the inferior vertebra, the second means comprising a second retaining means; and
a third means adapted for insertion between the first and second retaining means, wherein the third means comprises a semi-cylindrical shaped portion and wherein the third means is adapted to translate relative to the second retaining means.
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Specification