Encrustation and bacterial resistant coatings for medical applications
AssigneeICET, Inc.
InventorShantha Sarangapani
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Abstract
Disclosed are coatings and materials that resist bacterial colonization and encrustation for use in medical devices and urological applications. The coating includes acidic chelating components, reactively bound to a hydrophilic polyurethane prepolymer along with noble metal combinations or antibacterials. The acidic and noble metal combinations can also be incorporated as additives during plastic molding of medical devices. A continuous antibacterial surfaces are provided by such coatings and materials.
Claims22
A coating for polymeric products used in medical applications comprising:
- a compound selected from the group consisting of aminocarboxylic acids, tricarboxylic acids, amino acids, phosphonic acids and phenolic compounds;
- a polymer;
- and
- silver powder having an average particle size of one micron or less.
A melt blended polymeric material for use in medical applications, said material comprising;
- plastic resin;
- a compound selected from the group consisting of aminocarboxylic acids, tricarboxylic acids, amino acids, phosphonic acids and phenolic compounds;
- silver powder having an average particle size of one micron or less.
Dependencies are inferred from the claim text.