Improvements to a facet arthroplasty device

The invention relates to a facet arthroplasty device comprising connecting rods (2) connecting, thereinbetween, connectors (3, 6) respectively held in the vertebral bodies of each vertebra V instrumented by means of anchoring screws (4), while each connector (3) comprises means for immobilising and...

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Bibliographische Detailangaben
1. Verfasser: TORNIER, ALAIN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to a facet arthroplasty device comprising connecting rods (2) connecting, thereinbetween, connectors (3, 6) respectively held in the vertebral bodies of each vertebra V instrumented by means of anchoring screws (4), while each connector (3) comprises means for immobilising and guiding a socket (5) providing the connector (3) with freedom of movement in rotation R, R1 and/or lateral pivoting (B) about a vertical axis xx' and/or w' of the anchoring screw (4) that has been previously fixed in the corresponding vertebral body.