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US 2020/0367940 A1Published application
Posterior spinal fixation screws
AssigneeNuVasive, Inc.
InventorsChad M. Loftis, Matthew Tobias Jacobs, Robert German, Enrique Rayon
Life of this patent
Estimating the term…
Abstract
The present disclosure includes bone screws and assemblies thereof for surgical procedures of the spine including but not limited to posterior spinal fixation procedures.
Claims26
-20. (canceled)
A bone screw comprising:
- a bone screw shank comprising a shank head;
- a dual-head receiver comprising:
- a first receiver comprising a first base having a cavity therewithin, the cavity configured to securely receive the shank head;
- a first pair of arms extending upwardly from the first base;
- a first rod channel defined between the first pair of arms;
- a second receiver comprising a second base having a second rod channel defined between a second pair of arms;
- and
- a connection between the first receiver and the second receiver.
5 more elements
(canceled)
-37. (canceled)
-41. (canceled)
(canceled)
A bone screw assembly comprising:
- a first bone screw comprising:
- a first bone screw shank comprising a first shank head;
- a first dual-head receiver comprising:
- a first receiver comprising a first base having a first cavity therewithin, the first cavity configured to securely receive the first shank head;
- a first pair of arms extending upwardly from the first base;
- a first rod channel defined between the first pair of arms;
- a second receiver comprising a second base having a second rod channel defined between a second pair of arms;
- and a first connection between the first receiver and the second receiver;
- a second bone screw comprising:
- a second bone screw shank comprising a second shank head;
- a second dual-head receiver comprising:
- a third receiver comprising a third base having a second cavity therewithin, the second cavity configured to securely receive the second shank head;
- a third pair of arms extending upwardly from the third base;
- a third rod channel defined between the third pair of arms;
- a fourth receiver comprising a fourth base having a fourth rod channel defined between a fourth pair of arms;
- and a second connection between the third receiver and the third receiver;
- and
- a lateral rod securely received in the second rod channel and the fourth rod channel thereby securely connecting the first bone screw and the second bone screw.
15 more elements
-252. (canceled)
Dependencies are inferred from the claim text.