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US 2011/0238185 A1Published application
Intervertebral disk implant
AssigneeZimmer, Inc.
InventorsMichael Filippi, Mathias Heller, Jörn Seebeck, Guido Casutt
Life of this patent
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Abstract
The invention relates to an intervertebral disk implant having two implant plates contacting prepared vertebral body surfaces in the implanted state and an implant core which can be introduced between the implant plates. The invention further relates to a method for the manufacture of an intervertebral disk implant.
Claims20
An intervertebral disk implant comprising:
- two implant plates configured for contacting prepared vertebral body surfaces in the implanted state;
- and
- an implant core configured to be introduced between the two implant plates, the implant core made in multiple parts, including an arrangement of at least one inner support cushion and at least one shell surrounding the support cushion, wherein the shell includes two half shells which are arranged spaced apart from one another in the axial direction.
A method for the manufacture of an intervertebral disk implant, comprising:
- providing two implant plates configured to contact prepared vertebral body surfaces in the implanted state;
- introducing an implant core between the implant plates, the implant core including at least one inner support cushion and at least one shell surrounding the support cushion and formed by two half shells;
- and
- wherein the inner support cushion is injection molded onto the shell or onto an intermediate layer arranged between the support cushion and the shell.
1 more element
Dependencies are inferred from the claim text.