Medical article having fluid control film
Assignee3M Innovative Properties Company
InventorsRaymond P. Johnston, Matthew T. Scholz, Steven B. Heinecke, Charles A. Hentzen
Life of this patent
Estimating the term…
Abstract
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.
Claims11
A medical treatment article comprising:
- at least one fluid control film component having at least one microstructure-bearing surface with a plurality of channels therein that permit directional control of a liquid;
- a potential source;
- a connector comprising a manifold, wherein the connector is in fluid communication with the channels and the potential source;
- and
- a cap layer juxtaposed against the microstructured surface and sealingly connected to the manifold.
The medical treatment article of clam 1 wherein the potential source is capable of establishing a potential difference along a plurality of the channels.
The medical treatment article of clam 1, further comprising a second potential source.
Dependencies are inferred from the claim text.