Patent
Spine repair assembly
| العنوان: | Spine repair assembly |
|---|---|
| Patent Number: | 9,072,548 |
| تاريخ النشر: | July 07, 2015 |
| Appl. No: | 11/759429 |
| Application Filed: | June 07, 2007 |
| مستخلص: | A spine repair system and assembly are disclosed. The spine repair system includes a plate for use with a plurality of bone screws to treat a mammalian body having a plurality of vertebral portions in a spine. The plate has an elongate plate-like member having first and second end portions adapted for fastening respectively to a plurality of vertebral portions. First and second end portions are provided with a plurality of apertures for receipt of bone screws, including one or more apertures inclined relative to the plate-like member so as to enhance securement of the first and second end portions to the first and second vertebral portions when the bone screws are introduced through the screw holes into the vertebral portions. A method of operation and use are also disclosed. |
| Inventors: | Matityahu, Amir M. (Los Altos, CA, US) |
| Assignees: | Anthem Orthopaedics LLC (Los Altos, CA, US) |
| Claim: | 1. A spine plate for use with a plurality of bone screws to treat a mammalian body having first and second vertebral bodies in a spine, comprising an elongate plate-like member adapted for fastening respectively to the first and second vertebral bodies, the elongate plate-like member having first and second portions and a longitudinal centerline extending between the end portions, the first portion being provided with first, second and third screw holes adapted for receiving respective first, second and third bone screws that attach to the first vertebral body and the second portion being provided with fourth, fifth and sixth screw holes adapted for receiving respective fourth, fifth and six bone screws that attach to the second vertebral body, the first and second screw holes being transversely-aligned in the first portion and the third screw hole being spaced inwardly from the first and second screw holes towards the second portion and having an axis inclined towards the first and second screw holes and the longitudinal centerline at a fixed angle relative to the plate-like member, the fourth and fifth screw holes being transversely-aligned in the second portion and the sixth screw hole being spaced inwardly from the fourth and fifth screw holes towards the first portion and having an axis inclined towards the fourth and fifth screw holes and the longitudinal centerline at a fixed angle relative to the plate-like member whereby the third and sixth screw holes enhance securement of the first and second portions to the respective first and second vertebral bodies when the bone screws are introduced through the screw holes into the vertebral bodies. |
| Claim: | 2. A spine plate as in claim 1 wherein each of the first and second screw holes is formed in a bushing pivotally carried by the first portion of the plate-like member and each of the fourth and fifth screw holes is formed in a bushing pivotally carried by the second portion of the plate-like member. |
| Claim: | 3. A spine plate as in claim 2 wherein each of the bushings has an outer wall and is provided with an internally-threaded bore adapted for receiving one of the plurality of bone screws and a slit extending from the bore through the outer wall permitting radial expansion of the bushing, cooperative engaging means carried by the respective portion and the bushing for providing pivotal movement of the bushing within the respective hole about a single pivot axis and restricting such single pivot axis to a plane extending in the respective portion. |
| Claim: | 4. A spine plate as in claim 3 wherein the pivot axis relating to the bushing of the first screw hole is perpendicular to the pivot axis relating to the bushing of the second screw hole. |
| Claim: | 5. A spine plate as in claim 1 wherein the third screw hole is spaced relative to the first and second screw holes and the sixth screw hole is spaced relative to the fourth and fifth screw holes so that each of the third and sixth screw holes is disposed between the first and second vertebral bodies when the plate-like member is fastened to the first and second vertebral bodies. |
| Claim: | 6. A spine plate as in claim 1 wherein the third and sixth screw holes are spaced transversely of each other. |
| Claim: | 7. A spine plate for use with a plurality of bone screws to treat a spine of a human body having adjacent first and second vertebral bodies separated by a reconstructed region of an at least partially removed vertebral body from adjacent third and fourth vertebral bodies, comprising an elongate plate-like member having a first end portion adapted for fastening to the first and second vertebral bodies, the first end portion having a length sufficient to extend over the first and second vertebral bodies and being provided with first and second sets of longitudinally spaced-apart threaded screw holes for use with bone screws to secure the elongate plate-like member respectively to the first and second vertebral bodies, the second end portion having a length sufficient to extend over the third and fourth vertebral bodies and being provided with third and fourth sets of longitudinally spaced-apart threaded screw holes for use with bone screws to secure the elongate plate-like member respectively to the third and fourth vertebral bodies, the length of the first end portion approximating the length of the second end portion, the elongate plate-like member having a central portion between the first and second end portions, the central portion having a length of at least half the length of each of the first and second end portions so as to be sufficient to span the reconstructed region in the spine, and each of the first, second, third and fourth sets of longitudinally spaced-apart threaded screw holes including first and second threaded bores transversely-aligned in the respective end portion and a third threaded bore having a fixed axis inclined relative to the end portion and being spaced longitudinally of the first and second threaded bores adapted for receiving respective first, second and third bone screws for attachment to the respective vertebral body. |
| Claim: | 8. A spine plate as in claim 7 , wherein the central portion includes an expansion joint that can expand and contract. |
| Claim: | 9. A spine plate as in claim 8 , wherein the expansion joint is lockable. |
| Claim: | 10. A spine plate as in claim 7 , wherein the first end portion is movable longitudinally relative to the second end portion. |
| Claim: | 11. A spine repair assembly for use with a screw, comprising a spine plate, an annular bushing distinct from the spine plate and having a threaded bore adapted for receiving the screw, the bushing being provided with a slit extending from the bore through the bushing to permit radial expansion of the bushing, the spine plate having a substantially planar portion and being provided with a hole in the portion for receiving the bushing, and a pin and socket pivot mechanism carried by the portion of the spine plate and the bushing for providing pivotal movement of the bushing within the hole about a single pivot axis and restricting such single pivot axis to a plane extending in the portion of the spine plate whereby when the bushing is disposed in the hole of the spine plate and the screw is threaded into the bushing the bushing can be pivoted to a desired position relative to the spine plate and then positionally locked relative to the spine plate by further advancement of the screw through the bushing so as to cause the bushing to radially expand and frictionally lock within the hole of the spine plate. |
| Claim: | 12. An assembly as in claim 11 wherein the pin and socket mechanism includes at least one pin provided on one of the portion of the spine plate and the bushing and a socket provided on the other of the spine plate and the bushing. |
| Claim: | 13. An assembly as in claim 12 wherein the at least one pin includes first and second pins extending from the bushing and the portion of the spine plate is provided with the first and second slots. |
| Claim: | 14. An assembly as in claim 12 wherein the at least one pin includes first and second pins extending from the portion of the spine plate into the hole and the bushing is provided with the first and second slots. |
| Claim: | 15. A spine plate for use with a plurality of bone screws to treat a mammalian body having first and second vertebral bodies in a spine, comprising an elongate plate-like member having first and second portions adapted for fastening respectively to the first and second vertebral bodies, the first portion being provided with first, second and third screw holes adapted for receiving respective first, second and third bone screws that attach to the first vertebral body and the second portion being provided with fourth, fifth and sixth screw holes adapted for receiving respective fourth, fifth and six bone screws that attach to the second vertebral body, the first and second screw holes being transversely-aligned in the first portion and the third screw hole being spaced longitudinally of the first and second screw holes, the fourth and fifth screw holes being transversely-aligned in the second portion and the sixth screw hole being spaced longitudinally of the fourth and fifth screw holes, the third screw hole having an axis inclined at a fixed angle relative to the plate-like member and the sixth screw hole having an axis inclined at a fixed angle relative to the plate-like member such that the third and sixth screw holes enhance securement of the first and second portions to the respective first and second vertebral bodies when the bone screws are introduced through the screw holes into the vertebral bodies. |
| Claim: | 16. A spine plate as in claim 15 wherein each of the first and second screw holes is formed in a bushing pivotally carried by the first portion of the plate-like member and each of the fourth and fifth screw holes is formed in a bushing pivotally carried by the second portion of the plate-like member. |
| Claim: | 17. A spine plate as in claim 16 wherein each of the bushings pivots about a pivot axis extending in a plane of the respective portion. |
| Claim: | 18. A spine plate as in claim 17 wherein the pivot axis relating to the bushing of the first screw hole is perpendicular to the pivot axis relating to the bushing of the second screw hole. |
| Claim: | 19. A spine plate as in claim 16 wherein each of the first and second screw holes is formed in a bushing disposed within a hole in the first portion, cooperative engaging means carried by the first portion and the bushing for restricting pivotal movement of the bushing within the hole about a pivot axis extending in a plane of the first portion. |
| Claim: | 20. A spine plate as in claim 15 wherein the third and sixth screw holes are spaced transversely of each other. |
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| Primary Examiner: | Sevilla, Christian |
| Attorney, Agent or Firm: | Intellectual Innovations Legal Advisors |
| رقم الانضمام: | edspgr.09072548 |
| قاعدة البيانات: | USPTO Patent Grants |
| الوصف غير متاح. |