Expandable intervertebral implant with wedged expansion member
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United States of America Patent
Stats
-
Feb 28, 2012
Grant Date -
Dec 15, 2005
app pub date -
May 20, 2005
filing date -
Aug 5, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An expandable intervertebral implant is described for insertion between vertebrae of a human spine. The intervertebral implant includes an upper body that engages a first vertebra of the human spine, a lower body that engages a second vertebra of the human spine, an insert, and an expansion member. The expansion member may include a first angled portion and a second angled portion. The expansion member may be advanced such that a first angled portion of the expansion member engages an angled portion of the insert to increase a separation distance between the upper body and the lower body of the intervertebral implant. An advancing element may engage a second angled portion of the expansion member such that a direction of advancement of the advancing element is different than the direction of advancement of the expansion member.
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Family
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