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US 2018/0090295 A1Published application
Drug delivery system and method of manufacturing thereof
OwnerSean R. Kirkpatrick, Richard C. Svrluga +1inventors
InventorsSean R. Kirkpatrick, Richard C. Svrluga, Stephen M. Blinn
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Abstract
An apparatus and method provided a drug layer formed on a surface region of a medical device, the drug layer comprised of a drug deposition and a carbonized or densified layer formed from the drug deposition by irradiation on an outer surface of the drug deposition, wherein the carbonized or densified layer does not penetrate through the drug deposition and is adapted to release drug from the drug deposition at a predetermined rate.
Claims15
A drug delivery system, comprising:
- a medical device having at least one surface region;
- and
- a drug layer formed on the at least one surface region, the drug layer comprised of a drug deposition on the at least one surface region and a carbonized or densified layer formed from the drug deposition by irradiation on an outer surface of the drug deposition, wherein the carbonized or densified layer does not penetrate through the drug deposition and is adapted to release drug from the drug deposition at a predetermined rate.
A method of providing a drug delivery system, comprising the steps of:
- providing a medical device having at least one surface region;
- depositing a drug layer on the at least one surface region;
- and
- forming a carbonized or densified layer on an outer surface of the drug layer by irradiating the outer surface of the drug layer, wherein the carbonized or densified layer does not penetrate the drug layer and is adapted to release drug from the drug layer at a predetermined rate.
1 more element
Dependencies are inferred from the claim text.