| abstract |
PCT No. PCT/GB83/00104 Sec. 371 Date Sep. 12, 1983 Sec. 102(e) Date Sep. 12, 1983 PCT Filed Apr. 8, 1983 PCT Pub. No. WO83/03549 PCT Pub. Date Oct. 27, 1983.A surgical dressing which consists essentially of a film which carries an adhesive layer for securing the dressing to the body characterized in that (a) the film is continuous and comprises a polymer which in contact with water has a higher MVP than when in contact with moisture vapor but not water, (b) the adhesive layer is adapted to allow access of water to the film when water is in contact with the adhesive layer so that said surgical dressing has a MVP of not less than 2500 g/m2 when the adhesive layer is in contact with water and has a MVP of not more than 2000 g/m2 when the adhesive is in contact with moisture vapor but not water; whereby the dressing is suitable for use on exuding wounds and on non-exuding wounds. |