Cast assembly with breathable double knit type padding

Abstract From the Canadian patent

A cast or support assembly includes inner double knit padding material in which the outer layer is woven or knit to have substantial size openings, while the inner layer of the double knit material to be located against the skin of the patient is more closely woven or knit. Additional casting fabric is also provided with this , casting fabric being impregnated with water hardenable material. The outer casting fabric may include openings extending through it so that the entire cast assembly has ventilation openings allowing air circulation to accomplish rapid drying following wetting of the assembly by sweat, rain, or by swimming for example.