US Patent 9358172 Knitted compression garment and knitted fabric

A therapeutic medical garment having a variable pressure profile along its length and includes a knitted tubular body and a knitted anti-slip portion formed proximate one end of the tubular body with an inner surface adapted for residing against a wearer's skin. The knitted anti-slip portion includes at least first and second high friction yarns simultaneously knitted to form a repeat having a raised surface texture on the inner surface of the anti-slip portion. One of the first and second high friction yarns is a low-elasticity yarn, and at least one of the first and second high-friction yarns is knitted to reside on and form the raised surface texture on the inner face of the anti-slip portion.