Height-adjustable intervertebrae implant
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United States of America Patent
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Nov 17, 2009
Grant Date -
Jun 9, 2005
app pub date -
Dec 9, 2004
filing date -
Dec 9, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An intervertebral implant for insertion between two vertebrae is disclosed. A first part has a first contact surface extending between its two ends a first guide surface extending out from the first contact surface. A second part has a second contact surface extending between its ends, and a second guide surface recessed into the second contact surface. The first guide surface and the second guide surface cooperate so that the first contact surface of the first part can slide relative to the second contact surface of the second part with a translation motion guided by the cooperating structures of the first and second guide surfaces. The height of the intervertebral implant can be altered by shifting the first part and the second part relative to each other by moving the contact surfaces relative to each other by using the cooperating guide surfaces.
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