Coatings For Drug Delivery Devices Having Gradient Of Hydration
First Claim
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1. A coating for an implantable medical device, comprising a first layer comprising a first polymer, and a second layer comprising a second polymer, the second layer being disposed over at least a portion of the first layer, wherein the second polymer has a lower degree of hydration than the first polymer.
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Abstract
A coating for an implantable medical device is provided comprising a first layer including a first polymer and a second layer including a second polymer. The second layer is disposed over at least a portion of the first layer. The second polymer has a lower degree of hydration than the first polymer.
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49 Claims
- 1. A coating for an implantable medical device, comprising a first layer comprising a first polymer, and a second layer comprising a second polymer, the second layer being disposed over at least a portion of the first layer, wherein the second polymer has a lower degree of hydration than the first polymer.
Specification