Insertable medical devices having microparticulate-associated elastic substrates and methods for drug delivery

This invention describes a medical device, specifically an angioplasty balloon, designed to deliver a water-insoluble drug directly into a blood vessel. The balloon is coated with a special flexible hydrogel layer that includes a biodegradable polymer and other materials, which are chemically bonded to the balloon surface using light-activated groups. When the balloon expands, it releases the drug into the vessel.

Why it matters: Since 2018, advancements in biocompatible polymer synthesis and controlled photopolymerization may simplify creating and bonding these specific hydrogel coatings. This could improve manufacturing efficiency or device performance.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedCustom polymers, medical device manufacturing, sterile.

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