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US 2011/0237687 A1Published application
Adjusting drug loading in polymeric materials
AssigneeMedtronic Xomed, Inc.
InventorsWilliam Jeffrey Bertrand, Patrick Marek, Drew Amery
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Abstract
Drug loading of polymeric materials can be adjusted by selection of materials and/or adjusting processing steps in formation of an implantable drug-loaded device.
Claims11
A method, comprising:
- selecting a predetermined drug loading capacity for an implantable medical device;
- selecting a first polymeric material having a first hardness;
- selecting a second polymeric material having a second hardness different from the first hardness;
- and
- blending the first polymeric material with the second polymeric material to obtain a blended polymeric material having the selected predetermined drug loading capacity.
2 more elements
A method of forming an implantable medical device, comprising:
- forming a polymeric material into a shape of the implantable medical device;
- applying a solvent to the polymeric material so as to load the polymeric material with a therapeutic agent;
- and
- subjecting the polymeric material to a post-curing process after applying the solvent to the polymeric material.
1 more element
Dependencies are inferred from the claim text.