Radiation cross-linked hydrogels
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United States of America Patent
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Mar 25, 2003
Grant Date -
Aug 15, 2002
app pub date -
Feb 14, 2001
filing date -
Feb 14, 2001
priority date (Note) -
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Abstract
Radiation-crosslinked, biodrgradable, synthetic hydrogels and their use in various applications, including certain medical applications wherein the hydrogel(s) are implanted on or in the body of a human or animal patient. Radiation-crosslinked, biodrgradable, synthetic hydrogels of this invention may be prepared by irradiating monomers (e.g., ethylenically unsaturated hydrocarbons such as acrylic monomers and methacrylic monomers) or polymers, some or which are biodegradable or which contain biodegradable units or subunits. Specific medical applications of these radiation-crosslinked, biodrgradable, synthetic hydrogels include applicatins wherein the hydrogel is used for hemostasis, tissue augmentation, tissue engineering, embolization, closure of vascular punctures or wounds and other medical applications.
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