Polyactive/polylactic acid coatings for an implantable device
First Claim
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1. A coating for an implantable medical device comprising:
- a first component including a block copolymer including blocks of poly(ethylene glycol) and poly(butylene terephthalate);
a second component including polylactic acid; and
a third component including a bioactive agent, wherein the first component is coating regions beneath and above the second component.
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Abstract
A polymeric coating for a medical device that comprises poly(lactic acid) and a block copolymer including blocks of poly(ethylene glycol) and poly(butylene terephthalate) is provided.
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Citations
12 Claims
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1. A coating for an implantable medical device comprising:
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a first component including a block copolymer including blocks of poly(ethylene glycol) and poly(butylene terephthalate); a second component including polylactic acid; and a third component including a bioactive agent, wherein the first component is coating regions beneath and above the second component.
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2. A coating for an implantable medical device comprising:
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a first component including a block copolymer including blocks of poly(ethylene glycol) and poly(butylene terephthalate); a second component including polylactic acid; and a third component including a bioactive agent, wherein the medical device comprises a body structure aside from the coating. - View Dependent Claims (3, 4, 5, 6)
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7. A coating for an implantable medical device comprising:
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a first component including a block copolymer including blocks of poly(ethylene glycol) and poly(butylene terephthalate); a second component including polylactic acid; and a third component including a bioactive agent, wherein the second and third components are blended and the first component is coating regions beneath and over the second and third components.
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8. A coating for an implantable medical device comprising:
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a first layer including a polylactic acid; and a second layer of a block copolymer including blocks of poly(ethylene glycol) and poly(butylene terephthalate) supported by the first layer of polylactic acid, wherein the medical device comprises a body structure aside from the coating. - View Dependent Claims (10, 11)
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9. A coating for an implantable medical device comprising:
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a first layer including a polylactic acid; a second layer of a block copolymer including blocks of poly(ethylene glycol) and poly(butylene terephthalate) supported by the first layer of polylactic acid; and a third layer of a block copolymer including blocks of poly(ethylene glycol) and poly(butylene terephthalate) disposed beneath the first layer of polylactic acid.
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12. A coating for an implantable medical device comprising:
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a first component including blocks which include poly(ethylene glycol) and blocks which include terephthalate; a second component including polylactic acid; and a third component including a bioactive agents wherein the medical device comprises a body structure aside from the coating.
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Specification