Method of cleansing contaminated wounds

Abstract

Aqueous detergent solutions of block copolymers of ethylene oxide and propylene oxide having the structure: ##STR1## and an ethylene oxide to propylene oxide ratio of at least 4:1 have been found to be surprisingly useful in the cleansing of contaminated wounds in that they do not impair the wound's ability to resist infection. Surgical scrub solutions of these detergent solutions containing in addition antiseptic agents provide cleansing solutions which both eliminate bacteria and provide the desired cleansing action without impairing the wound's ability to resist infection.

It is claimed: 
     
       1. In the cleansing of contaminated wounds with a surgical scrub solution, the improvement which comprises employing as the surgical scrub solution an aqueous detergent solution which does not impair the wound's ability to resist infection, consisting of an aqueous solution of at least about 10% by weight of a block copolymer of ethylene oxide and propylene oxide having the structure: ##STR3## wherein the ratio of (C 2  H 4  O) a+c  to  b  is at least about .Badd..[.4:1.]. .Baddend..Iadd.3:1 .Iaddend.said copolymer having an average molecular weight of about 5,000 to 15,500. 
     
     
       2. The improvement of claim 1 wherein the molecular weight of the copolymer is about 5,000 to 13,500. 
     
     
       3. The improvement of claim 1 wherein the molecular weight of the copolymer is about 5,000 to 13,500 and (C 2  H 4  O) a  ** c  is about 80%. 
     
     
       4. The improvement of claim 3 wherein the copolymer has a molecular weight of 8,350. .Iadd. 5. The improvement of claim 1 wherewith the ratio of (C 2  H 4  O) a+c  to  b  is at least about 4:1. .Iaddend..Iadd. 6. The improvement of claim 5 wherein the molecular weight of the copolymer is about 5,000 to 13,500. .Iaddend..Iadd. 7. The improvement of claim 5 wherein the molecular weight of the copolymer is about 5,000 to 13,500 and (C 2  H 4  O) a+c  is about 80%. .Iaddend..Iadd. 8. The improvement of claim 7 wherein the copolymer has a molecular weight of 8,350.