Implantable or insertable medical devices containing miscible polymer blends for controlled delivery of a therapeutic agent
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United States of America Patent
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Nov 20, 2012
Grant Date -
Sep 9, 2004
app pub date -
Mar 6, 2003
filing date -
Mar 6, 2003
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Abstract
A therapeutic-agent release region is described, which comprises: (i) a first phase comprising a plurality of miscible polymers that are miscible with one another and (ii) a second phase comprising an additional polymer, which can be immiscible with any or all of the plurality of miscible polymers or a blend of the miscible polymers. Also described is a therapeutic-agent-releasing medical device, which comprises: (a) an implantable or insertable medical device substrate; (b) the above release region, disposed over at least a portion of the implantable or insertable medical device substrate, and (c) a therapeutic agent. The release region regulates the rate of release of the therapeutic agent from the medical device upon implantation or insertion of the device into a patient. Also described are methods for making an implantable or insertable medical device, for administering a therapeutic agent to a patient, and for modulating the release rate of a therapeutic agent.
First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- BOSTON SCIENTIFIC SCIMED, INC.
International Classification(s)
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- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Schwarz, Marlene C | Auburndale, US | 30 | 1446 |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
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