Prosthesis of the cervical intervertebralis disk
First Claim
1. A prosthesis for a cervical intervertebral disk for fastening two contiguous vertebrae, comprising:
- a first component for attachment to a first of two contiguous vertebrae and a second component for attachment to a second of two contiguous vertebrae;
said first component comprising a hollow box frame including a first end having first attachment means for attaching said first end to first means provided on a first of the two contiguous vertebrae for holding said first attachment means thereto, said hollow box frame being provided with an upward front opening on an oblique wall and carries on an outside thereof a lower transverse plate projection forming said first end and said first attachment means, and connection means at a second end for receiving a connector means coupled with said second component;
said second component comprising a first end part including second means for attachment to a second of said contiguous vertebrae to second means on the second vertebra for holding thereto said second attachment means, and a second end part having said connector means connected with said first end part to permit movement between said connector means and said connection means; and
said connection means includes a ring mouth centrally situated on an upwardly slanted wall as an access to a conical cradle and leads to a spherical holding seat through a cylindrical tract for receiving said connector means.
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Abstract
A prosthesis for a cervical intervertebral disk for fastening two contiguous vertebrae, including two components, one of which is for attachment to a first contiguous vertebrae and a second is for attachment to a second of the two contiguous vertebrae, the one component comprises a hollow box frame and includes a first end having first attachment for attaching the first end to one vertebra for holding the first attachment thereto and a connection at a second end for receiving a connector coupled with the second component, the second component comprises a first end part for attachment to the other vertebra to the second vertebra for holding the second component thereto, and a second end part having the connector connected with the first end part to permit movement between the connector and the connection.
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Citations
20 Claims
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1. A prosthesis for a cervical intervertebral disk for fastening two contiguous vertebrae, comprising:
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a first component for attachment to a first of two contiguous vertebrae and a second component for attachment to a second of two contiguous vertebrae; said first component comprising a hollow box frame including a first end having first attachment means for attaching said first end to first means provided on a first of the two contiguous vertebrae for holding said first attachment means thereto, said hollow box frame being provided with an upward front opening on an oblique wall and carries on an outside thereof a lower transverse plate projection forming said first end and said first attachment means, and connection means at a second end for receiving a connector means coupled with said second component; said second component comprising a first end part including second means for attachment to a second of said contiguous vertebrae to second means on the second vertebra for holding thereto said second attachment means, and a second end part having said connector means connected with said first end part to permit movement between said connector means and said connection means; and said connection means includes a ring mouth centrally situated on an upwardly slanted wall as an access to a conical cradle and leads to a spherical holding seat through a cylindrical tract for receiving said connector means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A cervical intervertebral disk prosthesis for fastening two contiguous vertebrae, comprising:
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a first component for attachment to a first of two contiguous vertebrae and a second component for attachment to a second of two contiguous vertebrae; said first component comprising a box frame including a first end having first attachment means for attaching said first end to first means provided on a first of the two contiguous vertebrae for holding said first attachment means thereto, and connection means at a second end for receiving a connector coupled with said second component; said second component comprising a first end part including second means for attachment to a second of said two contiguous vertebrae to second means on the second vertebra for holding thereto said second attachment means, and a second end part having said connector means connected with said first end part to permit movement between said connector and said connection means; and said connector including a ring mouth centrally situated on an upwardly slanted wall as an access to a conical cradle and leading to a spherical holding seat through a cylindrical tract for receiving said connector. - View Dependent Claims (16, 17)
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18. A prosthesis for a cervical intervertebral disk for fastening two contiguous vertebrae, comprising:
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a first component for attachment to a first of two contiguous vertebrae and a second component for attachment to a second of two contiguous vertebrae; said first component comprising a frame including a first end having first attachment means for attaching said first end to first means provided on a first of the two contiguous vertebrae for holding said first attachment means thereto, and connection means at a second end for receiving a connector coupled with said second component, said frame being further provided with an upward front opening on an oblique wall and carrying on an outside thereof a lower transverse plate projection forming said first end and said first attachment means;
said frame is a hollow box member provided with an cylindrically-shaped opening and said second end part of said second component includes a cylindrical body receivable in said cylindrically-shaped opening; andsaid second component comprising a first end part including second attachment means to a second of said two contiguous vertebrae to second means on the second vertebrae for holding thereto said second attachment means, and a second end part having said connector means connected with said first end part to permit movement between said connector and said connection means. - View Dependent Claims (19, 20)
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Specification