RADIOPAQUE INJECTABLE NUCLEUS HYDROGEL COMPOSITIONS
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United States of America Patent
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Issued Date -
Nov 1, 2012
app pub date -
Apr 26, 2011
filing date -
Apr 26, 2011
priority date (Note) -
Abandoned
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Abstract
In one embodiment, the invention relates to a composition suitable for preparing a hydrogel useful as replacement material for all or part of a disc nucleus. The composition comprises:
- a curable, cross-linkable, non-immunogenic, non-toxic protein comprising a minimum of about 10% and a maximum of about 25% of the hydrogel by weight;a metal contrast agent comprising a minimum of about 2% and a maximum of about 70% of the hydrogel by weight; anda crosslinker comprising a minimum of about 0.1% and a maximum of about 10% of the hydrogel by weight;wherein the composition has a discernable radiopacity level.
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