Porous containment device and associated method for stabilization of vertebral compression fractures
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United States of America Patent
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Aug 27, 2013
Grant Date -
Oct 14, 2010
app pub date -
Nov 13, 2008
filing date -
Nov 16, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention is directed to a porous or permeable containment device for implanting into the interior volume of a targeted vertebral body for use in restoring the anatomy of the targeted vertebral body. The containment device is expandable from an insertion configuration to an expanded configuration via, for example, a bone filler material. The containment device preferably permits the bone filler material to flow out of the containment device via, for example, one or more pores, one or more flow-directing tentacles, etc. so that the bone filler material may interdigitates with the surrounding bone tissue. The containment device is preferably configured to have a pre-determined, ‘dog-bone’ shape, when in the expanded configuration. The containment device preferably also includes one or more knobs or ribs to facilitate anchoring of the containment device to the surrounding bone tissue, one or more air or fluid evacuation pores to permit air or fluid from escaping from the interior volume of the containment device and/or one or more radiopacity rings or markers to enable a surgeon to locate and/or position the containment device under X-ray imaging.
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