Vertebral connecting plate
First Claim
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1. A vertebral connecting plate assembly comprising:
- a vertebral connecting plate which is provided, on its opposite ends, with vertebra connecting portions adapted to be connected to associated vertebra members, said vertebra connecting portions having threaded holes said threaded holes in each of said vertebra connecting portions being aligned along a line that intersects a longitudinal axis of said vertebral connecting plate at an oblique angle; and
set screws having engaging screw portions which are engaged in said associated threaded holes of said vertebral connecting plate and thrusting screw portions which are adapted to be thrust in the vertebra members, said thrusting screw portions having a pitch larger than the pitch of said engaging screw portions.
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Abstract
A vertebral connecting plate assembly includes a vertebral connecting plate which is provided, on its opposite ends, with vertebra connecting portions to be connected to associated vertebral members or bodies. The vertebra connecting portions have threaded holes, and the set screws of the present invention have engaging screw portion, which are engaged in the associated threaded holes of the vertebral connecting plate. Thrusting screw portions of the set screws, which are thrust in the vertebral members or bodies, have a pitch (P1) larger than the pitch (P2) of the engaging screw portions.
523 Citations
22 Claims
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1. A vertebral connecting plate assembly comprising:
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a vertebral connecting plate which is provided, on its opposite ends, with vertebra connecting portions adapted to be connected to associated vertebra members, said vertebra connecting portions having threaded holes said threaded holes in each of said vertebra connecting portions being aligned along a line that intersects a longitudinal axis of said vertebral connecting plate at an oblique angle; and set screws having engaging screw portions which are engaged in said associated threaded holes of said vertebral connecting plate and thrusting screw portions which are adapted to be thrust in the vertebra members, said thrusting screw portions having a pitch larger than the pitch of said engaging screw portions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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- 18. A vertebral connecting plate comprising vertebra connecting portions adapted to be connected to associated vertebra members, and an intermediate connecting portion connecting said vertebra connecting portions, said vertebra connecting portions having threaded holes in which associated set screws are adapted to be screwed, said threaded holes in each of said vertebra connecting portions being aligned along a line that intersects the longitudinal axis of said vertebral connecting plate at an oblique angle.
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22. A vertebral connecting plate comprises vertebra connecting portions adapted to be connected to associated vertebra members, and a solid and continuous central portion connecting said vertebra connecting portions, said vertebra connecting portions having threaded holes in which associated set screws are adapted to be screwed, said threaded holes of each of said vertebra connecting portions being aligned along an axis that is transverse to the longitudinal axis of said vertebral connecting plate.
Specification