Patent ID: 6482167
Filing Date: 2002-11-19
Classification: A61F

Abstract:
A method for forming an orthopaedic casting or immobilization blank or tape with sealed flexible edges comprising:forming a sheet of double knit type spacer material with spaced upper and lower fabric layers and an open work matrix of filaments extending between and being integrally knit or woven into said upper and lower layers; forming an immobilization blank or tape from said sheet of spacer material; treating at least one edge of said spacer material by the application of non-rigid material to provide a non-irritating edge; said treatment being at a concentration of more than 400 grams per square meter and at a level sufficient to significantly block subsequent impregnation of hardenable material into the edge of said immobilization blank; and impregnating at least a portion of said immobilization material with water hardenable material, with said prior edge treatment significantly blocking the water hardenable material from the treated edge.