发明申请
US20160175489A1 LOW PARTICULATE LUBRICIOUS COATING WITH VINYL PYRROLIDONE AND ACIDIC POLYMER-CONTAINER LAYERS 审中-公开
低粘度润滑油涂料与乙烯吡咯烷酮和酸性聚合物容器层

LOW PARTICULATE LUBRICIOUS COATING WITH VINYL PYRROLIDONE AND ACIDIC POLYMER-CONTAINER LAYERS
摘要:
Embodiments of the disclosure include lubricious coatings. In an embodiment the disclosure includes a lubricious coating for a medical device including first and second coated layers. The first coated layer is between the second coated layer and the device surface and includes a vinyl pyrrolidone polymer and a photo reactive group. The second coated layer is in direct contact with the first coated layer and is a top coating that includes an acrylic acid polymer. The second coated layer can optionally include photoreactive groups. The coating was found to have a very low number of particulates (e.g., 10 μm or greater) which is very desirable for in vivo use.
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