Medical devices with aromatic polyimide coating

Details Medical devices with aromatic polyimide coating Medical devices with aromatic polyimide coating

2005-05-25

2009-12-01

Layno, Carl H (Department: 3766)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical energy applicator

Reexamination Certificate

active

07627382

ABSTRACT:
Medical devices that include on at least some portion thereof an aromatic polyimide of the structure:wherein R is a tetravalent aromatic radical, preferably containing at least one ring of six carbon atoms, said ring characterized by benzenoid unsaturation, the four carbonyl groups being attached directly to separate carbon atoms in a ring and each pair of carbonyl groups being attached to adjacent carbon atoms in a ring of the R radical; and wherein R′ is a divalent benzenoid radical selected from the group consisting ofwherein R″ is selected from the group consisting of an alkylene chain having 1-3 carbon atoms,R′″ and R″″ are selected from the group consisting of alkyl and aryl.In one embodiment the medical device is a coated lead body.Coated guide wires are a further embodiment.Methods of application are a further embodiment.

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