US 6,420,622 Β· Granted 2002-07-16

Medical article having fluid control film

The present invention provides medical articles having a fluid control film component which comprise a sheet having microchannels that permit directional flow of a liquid. Articles incorporating the fluid control film include: wound dressings, wound drains, tympanostomy fluid wicks, intravenous access site dressings, drug delivery dressings, and sweat collection patches.

Patent details

Publication number
US 6,420,622
Filing date
1999-01-22
Grant date
2002-07-16
Assignee
3M Innovative Properties Company
Inventor(s)
JOHNSTON RAYMOND P., SCHOLZ MATTHEW T., HEINECKE STEVEN B., HENTZEN CHARLES A.
CPC class
F28F21/065

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