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US 2011/0034990 A1Published application
Biocorrodible implant with active coating
OwnerAlexander Borckinventor
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Abstract
One embodiment of the invention concerns an implant with a basic body of biocorrodible, metallic implant material with an active coating and/or cavity filling.
Claims20
Implant with a basic body that comprises a biocorrodible metallic material, the basic body having one or more of a coating and a cavity filling that comprises at least one antioxidative substance.
A stent having squalene for prophylaxis or therapy of a restenosis or an impairment of vascular lumen in a vascular section.
A stent comprising:
- a basic body comprising a biocorrodible magnesium alloy that includes at least about 5.2% rare earth metals including at least yttrium,
- one or more of a coating and a cavity filling that that comprises 1% to 20% (wt %) squalene and at least one pharmaceutically active material.
A method for making a stent comprising:
- applying one or more of a coating and cavity filling to at least a portion of a stent basic body comprised of a magnesium alloy that includes rare earth metals, the one or more of the coating and cavity filling comprising 1% to 20% (wt %) squalene and having a thickness of between about 1 μm to 100 μm, and,
- polymerizing the one or more of a coating and cavity filling by exposure to air and sunlight for a period of at least 1 hour.
Dependencies are inferred from the claim text.