Medical device with sponge coating for controlled drug release
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United States of America Patent
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Apr 2, 2002
Grant Date -
N/A
app pub date -
Apr 14, 1998
filing date -
Apr 14, 1998
priority date (Note) -
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Abstract
The medical devices of the invention comprise an expandable portion which is covered with a sponge coating for release of at least one biologically active material. The sponge coating is made of a non-hydrogel polymer having a plurality of voids. The device can further include means for infusing or expelling the biologically active material or drug into the voids. The drug is delivered to the body lumen of a patient by expelling the drug and inflating or expanding the expandable portion of the catheter or device.
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