Intervertebral disk endoprosthesis
AssigneeMecron Medizinische Produkte GmbH
InventorsGerhard Fuhrmann, Ulrich Gross, Bertram Kaden, Herman-Josef Schmitz, Thomas Fritz, Curt Kranz
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Abstract
An intervertebral disk endoprosthesis is filled with an elastic material and provided with cover plates at its end faces, and has a circular or elliptical corrugated tube surrounding the viscoelastic material, the tube being terminated by cover plates.
Claims21
An intervertebral disk endoprosthesis filled with viscoelastic material and provided with cover plates at its end faces, comprising a circular or elliptical corrugated tube surrounding and contiguous with the viscoelastic material and terminated by the cover plates, wherein said cover plates are rigid, and wherein said corrugated tube allows for less constrained tilting of said cover plates, and further accommodates the compressive bulging of said viscoelastic material.
An intervertebral disk endoprosthesis filled with viscoelastic material and provided with cover plates at its end faces, comprising a circular or elliptical corrugated tube surrounding and contiguous with the viscoelastic material and terminated by the cover plates, wherein at least one of said cover plates is provided with a flange, and wherein said corrugated tube allows for less constrained tilting of said cover plates, and further accommodates the compressive bulging of said viscoelastic material.
Dependencies are inferred from the claim text.