Electrostatically charged biocidal media and applications therefor

Abstract

There is provided a protective media and a method of manufacturing the same. Also provided is a wound dressing, clothing and liners incorporating the protective media and methods of manufacturing the same. In one aspect, the protective media includes a porous dielectric carrier, an active agent incorporated in the porous dielectric carrier, and an electrostatic charge across at least a portion of the porous dielectric carrier. This innovative media is capable of eradicating microorganisms and/or toxins more efficiently than prior art solutions and can also self-sterilize.

1 . A wound dressing, said wound dressing comprising:
 a protective media for filtering and killing microorganisms in air, said protective media comprising:
 a porous dielectric carrier, wherein said porous dielectric carrier is a non-woven material; 
 a biocidal active agent incorporated in or on said porous dielectric carrier, said active agent being an iodinated resin; and 
 an electrostatic charge across at least a portion of said porous dielectric carrier. 
   
     
     
         2 . The wound dressing of  claim 1  in which said porous dielectric carrier is a fiber based material having a fibrous matrix structure. 
     
     
         3 . The wound dressing of  claim 1  in which said porous dielectric carrier is a sponge like material have an open cell matrix structure, wherein the open cell matrix structure is a foam. 
     
     
         4 . The wound dressing of  claim 1  in which said non-woven material is a three dimensional structure configured to provide a matrix capable of physically entrapping said active agent. 
     
     
         5 . The wound dressing of  claim 4  in which said active agent is configured to be physically entrapped in said matrix. 
     
     
         6 . The wound dressing of  claim 1  in which said porous dielectric carrier comprises polymer fiber. 
     
     
         7 . The wound dressing of  claim 6  in which said polymer fiber comprises a member selected from the group consisting of nylon, polyethylene, polyester, and polypropylene. 
     
     
         8 . The wound dressing of  claim 1  in which said porous dielectric carrier is capable of holding an electrostatic charge in the presence of said biocidal active agent for at least six months. 
     
     
         9 . A wound dressing, said wound dressing comprising:
 a first porous dielectric carrier;   a first active agent incorporated in or on said first porous dielectric carrier, said first active agent being a biocidal iodinated resin;   an electrostatic charge across at least a portion of said first porous dielectric carrier;   wherein said first porous dielectric carrier is a non-woven and capable of holding an electrostatic charge in the presence of said biocidal iodinated resin; and   a second porous dielectric carrier;   a second active agent incorporated in said second porous dielectric carrier.   
     
     
         10 . The wound dressing of  claim 9 , in which said first active agent and said second active agent are of the same material. 
     
     
         11 . The wound dressing of  claim 9  in which an air gap separates said first and said second porous dielectric carriers. 
     
     
         12 . The wound dressing of  claim 9  in which each of said first porous dielectric carrier and said second porous dielectric carrier is a fiber based material having a fibrous matrix structure. 
     
     
         13 . The wound dressing of  claim 12  in which said fiber based material is a three dimensional structure configured to provide a matrix capable of physically entrapping said active agent. 
     
     
         14 . The wound dressing of  claim 13  in which said active agent consists of particles configured to be physically entrapped in said matrix. 
     
     
         15 . The wound dressing of  claim 9  in which said first porous dielectric carrier is capable of holding an electrostatic charge in the presence of said biocidal iodinated resin for at least six months. 
     
     
         16 . A protective liner, said protective liner comprising:
 a first porous dielectric carrier;   a first active agent incorporated in or on said first porous dielectric carrier, said first active agent being a biocidal iodinated resin;   an electrostatic charge across at least a portion of said first porous dielectric carrier;   wherein said first porous dielectric carrier is a non-woven and capable of holding an electrostatic charge in the presence of said biocidal iodinated resin; and   a second porous dielectric carrier;   a second active agent incorporated in said second porous dielectric carrier.