Collapsible and expandable instrument for insertion in a dorsal vertebra
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United States of America Patent
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Dec 1, 2009
Grant Date -
Nov 24, 2005
app pub date -
Jul 1, 2002
filing date -
Jul 2, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An instrument in particular suitable for being inserted into the cavity within a vertebra, which instrument features a collapsed position and an expanded position, in which collapsed position the instrument can be inserted into the cavity through an opening in the vertebral wall. The instrument includes a first upper elongated contact element and a second lower elongated contact element, and member for moving said elements apart in a direction substantially transversely to their contact surfaces to a particular end position, in which the elements are locked in position relative to each other.
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