EXPANDABLE IMPLANT
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Abstract
An expandable implant for inserting within a skeletal space is provided, and a method for using the implant to expand the skeletal space. The implant is preferably designed to be inserted into an intervertebral space to replace at least part of an intervertebral disc between adjacent vertebral bodies. The expandable implant contains at least one first expansion compartment and at least one second expansion compartments, which compartments can be inflatable balloons that are inflated by a catheter. Inflating the first expansion compartment expands the implant in a first direction and inflating the second expansion compartment expands the implant in a second direction.
2 Citations
21 Claims
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1. (canceled)
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2. An intervertebral implant expandable in at least a first direction, the implant comprising:
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a first bone contacting member defining a first bone contacting surface configured to face a first vertebra; a second bone contacting member defining a second bone contacting surface configured to face a second vertebra, the second bone contacting surface spaced from the first bone contacting surface in a second direction that is perpendicular to the first direction, wherein one of the first and second bone contacting members further comprises a fixing member, and the implant is configured to be inserted into an intervertebral space in a third direction that is perpendicular to the first and second directions; and an expansion compartment positioned between the first and second bone contacting surfaces, wherein the expansion compartment is expandable so as to expand the implant along the first direction, wherein the expansion compartment further comprises a coupling element configured to be coupled to the fixing member, wherein, when the coupling element is coupled to the fixing member, expansion of the implant along the first direction causes the coupling element to detach from the fixing member. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21)
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Specification