| 摘要 |
<p>An insole 10 for insertion into a shoe or sock, comprising a flexible base shaped to conform to the shape of a foot, characterised by at least one insert 12,14 located to contact at least one of the ball and the heel of the foot and made from a material containing at least 30% copper. Preferably one insert 12 is in contact with the heel, and one 14 with the ball of the foot. There may be two separate insert at each location, arranged along the longitudinal axis of the insole. The insole may comprise a cushioning layer and a surface layer, the inserts being received in a cut out of the surface layer whilst being supported by the cushion layer. Each insert may contain 6 grams of copper and the material may contain at least 50%, 80% or 98% copper.</p> |
