METHOD OF SELECTIVELY APPLYING AN ANTIMICROBIAL COATING TO A MEDICAL DEVICE OR DEVICE MATERIAL

• Main Authors: BONN-SAVAGE, NATHAN, G, NEESE, JON, N
• Format: Patent
• Language: English; French; German
• Published: 27.11.2013
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; ATOMISING APPARATUS; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; FISHING; FORESTRY; HUMAN NECESSITIES; HUNTING; HYGIENE; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MEDICAL OR VETERINARY SCIENCE; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL; NANOTECHNOLOGY; NOZZLES; PERFORMING OPERATIONS; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS; PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF; SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; SPRAYING APPARATUS; SPRAYING OR ATOMISING IN GENERAL; TRANSPORTING; TRAPPING

An antimicrobial composite structure including: a polymeric material, the material having a first exterior surface expanded to fibrils and nodes, a second exterior surface and an interior portion between the exterior surfaces; and nanoparticles present in the interior portion adjacent the first exterior surface but not in the interior portion adjacent the second exterior surface. The nanoparticles can be silver nanoparticles and the polymeric material may be an expanded fluoropolymer material such as expanded polytetrafluoroethylene.