Hydrophilic coating for intravascular devices
AssigneeKoninklijke Philips N.V.
InventorTung-Liang LIN
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Abstract
The present disclosure relates to a coating for medical devices. The lubricious coating includes a primer layer and a top coating layer as well as methods of making and using the same. The primer layer includes a reaction cured product of a multifunctional acrylate and an acid functionalized monoacrylate. The top coating layer includes a reaction cured product of a mixture that includes a hydrophilic polymer comprising polyvinylpyrrolidone, an acid functionalized monoacrylate, and a hydrophilic monomer. The lubricious coating may be coated onto medical devices to form a sensing guide wire, an ultrasound imaging device, and an intravascular imaging device. Associated devices and methods are also provided.
Claims13
An intravascular device, comprising:
- a flexible elongate member;
- an outer coating disposed over at least a portion of the flexible elongate member, wherein the outer coating comprises:
- a primer layer in contact with the at least a portion of the flexible elongate member, wherein the primer layer comprises a monomer with carboxylic acid groups;
- and
- a top coating layer different from the primer layer, wherein the top coating layer is disposed over and in contact with the primer layer, wherein the top coating layer is an outermost layer of the outer coating, and wherein the top coating layer comprises a hydrophilic polymer and a monomer.
Dependencies are inferred from the claim text.