Polyaxial vertebral anchor assembly with vertical adjustment and split lock

A polyaxial vertebral assembly that includes a polyaxial vertebral anchor and an articulating connector. The anchor is configured to penetrate and secure to a vertebra, and includes a spherical head end. The connector includes a base, an extension, and a common trajectory split lock. The split lock...

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Bibliographic Details
Main Author Aferzon, Joseph
Format Patent
LanguageEnglish
Published 22.01.2019
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:A polyaxial vertebral assembly that includes a polyaxial vertebral anchor and an articulating connector. The anchor is configured to penetrate and secure to a vertebra, and includes a spherical head end. The connector includes a base, an extension, and a common trajectory split lock. The split lock includes a first lock and a second lock. The first lock is configured to engage rigidly the base in a selected pivotal configuration to the head end along the second axis of the extension, wherein the head end is disposed in the base in the selected pivotal configuration with respect to the first axis of the base. The second lock is configured to engage rigidly a stabilizing rod at selected configurable height and rotational configuration with respect to the polyaxial vertebral anchor along the second axis, wherein the pivotal configuration and the height and rotational configuration are independently adjustable along the second axis.
Bibliography:Application Number: US201113222726