Filling material for filling a vertebral body cavity, intervertebral prosthetic disc nucleus and vertebroplasty prosthesis comprising such a material
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United States of America Patent
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Issued Date -
Nov 12, 2009
app pub date -
Jun 2, 2006
filing date -
Jun 2, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention concerns in particular an invertebral prosthetic disc nucleus (1) in the form of a flexible filament (5) of a biocompatible elastomer. The filling material is adapted for injecting by means of a hollow needle (4) into the cavity (2) of the annulus. The filament winds when contacted with the walls (6) and with its own segments so as to form an entanglement filling the cavity.
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