Pedicle screw for intervertebral support elements

Details Pedicle screw for intervertebral support elements Pedicle screw for intervertebral support elements

2006-12-01

2009-11-03

Philogene, Pedro (Department: 3733)

Surgery

Instruments

Orthopedic instrumentation

C606S246000, C606S254000

Reexamination Certificate

active

07611518

ABSTRACT:
The pedicle screw (1) for intervertebral support elements (3) consists of a shaft (10) and a head (2) comprising at least two parts (20, 22). The head is formed as a securing means for at least one support element (3). Each support element consists of a piece of a cable-like band (31) and a cylindrical support body (30) with an axial lumen (31′) containing the band. The band is securable outside end surfaces (32) of the support body in the head. The head is formed with a contact surface (23) via which a pressure stress can be exerted on the support body in the band direction, and indeed using the band and in cooperation with a further pedicle screw. A part (20) of the head (2), which is firmly connected to the shaft (10) at the one end of the latter, contains a base groove (21) which is oriented transversally to the shaft and into which the part of the band (31) to be secured or a connecting piece (292) which contains the band can be introduced during the securing of the support element (3) by means of a translatory movement in the direction of the shaft and fixed there.

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