Invention Grant
- Patent Title: Medical device with hydrophilic coating
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Application No.: US14516082Application Date: 2014-10-16
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Publication No.: US09931442B2Publication Date: 2018-04-03
- Inventor: Andrea Schmid , Marie Svensson
- Applicant: ASTRA TECH AB
- Applicant Address: SE Molndal
- Assignee: ASTRA TECH AB
- Current Assignee: ASTRA TECH AB
- Current Assignee Address: SE Molndal
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: EP08154718 20080417
- Main IPC: A61M25/00
- IPC: A61M25/00 ; A61M25/16 ; A61L31/10 ; A61L29/08 ; B29D23/00 ; B29K105/24

Abstract:
A medical device is disclosed, comprising a substrate and a hydrophilic surface coating arranged on said substrate. The substrate has, on its surface coated with said hydrophilic surface coating, a surface texture with an arithmetical mean deviation of the surface profile (Ra) of at least 3 μm and/or a profile section height difference (Rdc (1-99%)) of at least 18 μm. It has surprisingly been found that the increased surface roughness of the substrate provides significant improvements in e.g. water retention for the hydrophilic coating.
Public/Granted literature
- US20150038947A1 MEDICAL DEVICE WITH HYDROPHILIC COATING Public/Granted day:2015-02-05
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