Intervertebral implant

Details Intervertebral implant Intervertebral implant

A - Human Necessities

61

F

A61F 2/44 (2006.01)

Patent

CA 2264720

A hollow cylindrical intervertebral implant with a longitudinal axis (3), a top surface (1) and a bottom surface (2), consisting essentially of a ceramic material displaying a maximum porosity of 30 vol. %, the pores of which are filled with air. The implant according to this invention is characterized in that upon primary fusion during the resorption process it equalizes the distance (corresponding to intervertebral disk height) between two vertebrae while providing adequate fusion and is resorbed by the body after a certain amount of time.

Un implant intervertébral en forme de cylindre creux, présentant un axe longitudinal (3), une surface supérieure (1) et une surface inférieure (2), est constitué principalement d'un matériau céramique ayant une porosité maximum de 30 % en volume et comportant des pores remplis d'air. L'implant est caractérisé par le fait qu'après la fusion primaire, il compense la distance (correspondant à la hauteur du disque) entre les deux corps vertébraux pendant le processus de résorption - s'accompagnant d'une fusion adéquate - et, qu'après un certain temps, il est résorbé par lesdits corps vertébraux.

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