Orthopedic plating assembly for bone fixation and subsidence
First Claim
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1. An orthopedic plating assembly comprising:
- an orthopedic plate having at least one opening configured and dimensioned to receive an orthopedic anchor;
a first blocking member and a second blocking member, wherein the second blocking member rests above an uppermost surface of the orthopedic plate; and
an orthopedic anchor configured to be positioned through the at least one opening, wherein the orthopedic anchor is configured to pivot and laterally translate with respect to the orthopedic plate when installed, and wherein, when in a blocking position, the first blocking member and the second blocking member cooperate to prevent the orthopedic anchor from uninstalling from the orthopedic plate such that the orthopedic anchor is bounded by a sidewall of the first blocking member and a bottom surface of the second blocking member,wherein the orthopedic plate further comprises at least one carriage plate, the at least one carriage plate having at least one opening for receiving at least one additional orthopedic anchor, andwherein the carriage plate is slidable received in the orthopedic plate such that the carriage plate can slide with respect to the orthopedic plate.
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Abstract
Orthopedic plating assemblies and methods for bone fixation that include an orthopedic plate and orthopedic anchors that can accommodate subsidence in the vertebral bodies as well as prevent the anchors from “backing out” of their installed position. The orthopedic anchors may be capable of rotating and translating with respect to the plate, and the plate may be able to translate after being fastened to the vertebral bodies.
12 Citations
18 Claims
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1. An orthopedic plating assembly comprising:
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an orthopedic plate having at least one opening configured and dimensioned to receive an orthopedic anchor; a first blocking member and a second blocking member, wherein the second blocking member rests above an uppermost surface of the orthopedic plate; and an orthopedic anchor configured to be positioned through the at least one opening, wherein the orthopedic anchor is configured to pivot and laterally translate with respect to the orthopedic plate when installed, and wherein, when in a blocking position, the first blocking member and the second blocking member cooperate to prevent the orthopedic anchor from uninstalling from the orthopedic plate such that the orthopedic anchor is bounded by a sidewall of the first blocking member and a bottom surface of the second blocking member, wherein the orthopedic plate further comprises at least one carriage plate, the at least one carriage plate having at least one opening for receiving at least one additional orthopedic anchor, and wherein the carriage plate is slidable received in the orthopedic plate such that the carriage plate can slide with respect to the orthopedic plate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An orthopedic plate assembly comprising:
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an orthopedic plate having at least one opening configured and dimensioned to receive an orthopedic anchor, a first blocking member and a second blocking member, wherein the second blocking member rests above an uppermost surface of the orthopedic plate; and an orthopedic anchor having a head portion, the orthopedic anchor configured to extend through the at least one opening, wherein the at least one opening is elongated to allow for lateral translation of the orthopedic anchor, and wherein when in a blocking position, a sidewall of the first blocking member contacts a sidewall of the head portion of the orthopedic anchor and a bottom surface of the second blocking member contacts a top portion of the head portion of the orthopedic anchor, wherein the orthopedic plate further comprises at least one carriage plate, the at least one carriage plate having at least one opening for receiving a second orthopedic anchor, and wherein the carriage plate is slidable received in the orthopedic plate such that the carriage plate can slide with respect to the orthopedic plate. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification