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1. (WO2017016717) OSTEOSYNTHESIS DEVICE

Pub. No.:    WO/2017/016717    International Application No.:    PCT/EP2016/062595
Publication Date: Fri Feb 03 00:59:59 CET 2017 International Filing Date: Sat Jun 04 01:59:59 CEST 2016
IPC: A61B 17/70
Applicants: SILONY MEDICAL INTERNATIONAL AG
Inventors: HEUER, Frank
Title: OSTEOSYNTHESIS DEVICE
Abstract:
Osteosynthesis device, in particular a pedicle screw, having a bone anchor, in particular a bone screw, with a shank and a head, and having a fork head which is U-shaped in a side view and which has two arms at a proximal end area and is formed in one piece, wherein the head of the bone anchor is mounted pivotably on a distal end area of the fork head directed away from the arms, wherein the fork head has, at the distal end area, a receiving opening for the head of the bone anchor, which receiving opening is delimited in the radial direction by spring portions, wherein the spring portions are delimited radially inwards by the receiving opening and radially outwards by an annular groove arranged concentrically with respect to the receiving opening, said annular groove forming a seat for a securing element, wherein the head of the bone anchor is inserted into the receiving opening from the direction of the distal end of the fork head.