Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1998-10-23
2000-06-06
Coggins, Wynn Wood
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
A61M 532
Patent
active
06071266&
ABSTRACT:
Lubricious medical devices such as catheters and stents which minimize friction and retain lubricity and dimensional properties for a long period of time. The devices are made by coextrusion wherein the inner layer is a hydrophobic polymer and the outer layer is a blend of a hydrophilic polymer and hydrophobic polymer. Devices made by extrusion of a blend of hydrophobic polymer with a blend of hydrophobic/hydrophilic polymer are described also.
Blyveis Deborah
Coggins Wynn Wood
Erickson Donald W.
Larson Jacqueline S.
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