Prosthetic joint of cervical intervertebral discs

Details Prosthetic joint of cervical intervertebral discs Prosthetic joint of cervical intervertebral discs

A - Human Necessities

61

F

A61F 2/44 (2006.01)

Patent

CA 2519926

The invention relates to a prosthesis of a cervical intervertebral disc comprising a covering plate (1) which is provided with a surface (10) for connecting to a vertebral body, the width of said surface being larger than the depth thereof. The boundary (24) of the connection surface (10) in a dorsolateral area is taken back in comparison with a boundary (14) in an anterolateral area. Said taken back boundary (24) of the connection surface (10) can be connected to a projecting edge (14) by means of a rounding or a chamfer (25).

L'invention concerne une prothèse de disque intervertébral cervical comportant une plaque de couverture (1) présentant une surface (10) destinée à la connexion avec une vertèbre, ladite surface étant plus large que profonde. La délimitation (24) de la surface de connexion (10) dans la zone dorsolatérale est en retrait par rapport à la délimitation (14) dans la zone antérolatérale. Ladite délimitation en retrait (24) de la surface de connexion (10) peut être reliée à un bord saillant (14) par l'intermédiaire d'un arrondi ou d'un biseau (25).

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