Anti-Splay Head and Set Screw for Spinal Fixation

A system includes an anti-splay system is disclosed. The anti-splay system includes a receiver having a base, opposing arms, and opposing locking channels. The arm forms a rod receiving cavity, and the arm includes a formed internal thread. The locking channel is formed in an inner surface of the ar...

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Bibliographic Details
Main Author ITALIAIE CHRIS
Format Patent
LanguageChinese
English
Published 22.06.2021
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:A system includes an anti-splay system is disclosed. The anti-splay system includes a receiver having a base, opposing arms, and opposing locking channels. The arm forms a rod receiving cavity, and the arm includes a formed internal thread. The locking channel is formed in an inner surface of the arm. The system also includes a fixation screw having a drive portion, an external thread extending from a body portion, and a distal locking member rotatably connected to the body portion. The distal locking member and the locking channel are configured such that, in operation of the system, the locking member can slide into a fixed position in the locking channel when the set screw is screwed into the receiver. When in the fixed position, the distal locking member fixes the two arms to avoid splaying. 一种包括防叉开系统的系统，所述防叉开系统包括具有基座、相对臂和相对锁定通道的接收器。所述臂形成容杆腔，并且所述臂包括形成的内螺纹。所述锁定通道形成于所述臂的内表面中。所述系统还包括固定螺钉，所述固定螺钉具有驱动部分、从主体部分延伸的外螺纹以及可旋转地连接至所述主体部分的远端锁定部件。所述远端锁定部件和所述锁定通道经配置以使得在所述系统的操作中，所述锁定部件可以在所述固定螺钉螺拧入所述接收器中时滑入至所述锁定通道中的固定位置。当处于
Bibliography:Application Number: CN202011329964