Pedicle screw with a closure device for securing a rod for stabilization of the vertebral column

Pedicle screw with a closure device for securing a rod for stabilization of the vertebral column

A pedicle screw with a closure device for securing a rod for stabilization of the vertebral column comprises a screw-in part with a head part, a U-shaped recess in the head part., in which recess the rod is held by the closure device. The closure device comprises a yoke-shaped locking element, which...

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Hauptverfasser: BRAUNSCHWEILER RETO, ZEHNDER THOMAS
Format: Patent
Sprache:eng
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DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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ZEHNDER THOMAS
description A pedicle screw with a closure device for securing a rod for stabilization of the vertebral column comprises a screw-in part with a head part, a U-shaped recess in the head part., in which recess the rod is held by the closure device. The closure device comprises a yoke-shaped locking element, which has a collar with a projection on each of the two opposite end regions. One groove is provided on each of the two arms in such a way that the locking element is rotatably placed on the arms. The projections are inserted in the grooves to achieve locking position. A tension screw is screwed into the locking element and rotatably connected to a tension element inserted between the arms, and, in the locked state of the locking element, is able to be tensioned, by means of the tension screw, against the rod inserted in the recess.
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subjects DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
title Pedicle screw with a closure device for securing a rod for stabilization of the vertebral column
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