Patent ID: 8424222
Filing Date: 2013-04-23
Classification: A43B

Abstract:
1. An insole for arthritic or diabetic patients, comprising: a generally foot-shaped bottom layer having a length extending from a heel area to a toe area, a top surface and a bottom surface wherein said bottom layer is integrally formed in a shape comprising a raised arch support area and a heel-receiving cup area; a first indentation integrally formed in the bottom surface of the bottom layer without extending through the entire bottom layer, said first indentation positioned centrally in a toe region extending substantially an entire lateral width of the bottom surface of the toe region; a second indentation integrally formed in the bottom surface of the bottom layer without extending through the entire bottom layer, said second indentation positioned centrally in a metatarsal region extending substantially an entire lateral width of the bottom surface in that metatarsal region and extending from a lower toe region to a portion of an arch area of the insole; a third indentation integrally formed in the bottom surface of the bottom layer without extending through an entire bottom layer, said third indentation positioned centrally in a heel region; each of said first, second, and third indentations formed to receive an insert layer that is coupled to the bottom surface of bottom layer in the first, second or third indentations; a synthetic rubber layer having first and second sides, said second side coextensive with and secured to said top surface of said bottom layer; and a top layer coextensive with and secured to said first side of said synthetic rubber layer.