Method and device for preventing sprained ankles
OwnerWilliam Gilmoreinventor
Life of this patent
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Abstract
This invention relates to a shoe insole comprising an inner sole having one or more of a support portion in the rearfoot exterior quadrant, a cushioning portion in the forefoot interior quadrant, a cushioning portion that extends from the forefoot interior quadrant to the forefoot exterior quadrant, and a cushioning portion in the rearfoot interior quadrant and the rearfoot exterior quadrant. Methods of making, using, and positioning the disclosed shoe insole and the components thereof are also described. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
Claims20
A shoe insole comprising an inner sole comprising a forefoot interior quadrant, a forefoot exterior quadrant, a rearfoot interior quadrant, and a rearfoot exterior quadrant,
- wherein the inner sole is bounded by a top surface, a bottom surface, a back surface, a front surface, an inner lateral surface, and an outer lateral surface,
- wherein the top surface is bounded by the back surface, the front surface, the inner lateral surface, and the outer lateral surface at an exterior top edge,
- wherein the bottom surface is bounded by the back surface, the front surface, the inner lateral surface, and the outer lateral surface at an exterior bottom edge, and
- wherein the inner sole has a support portion in the rearfoot exterior quadrant having a thickness of greater than about 1.0 cm and one or more of a surface area of from about 12.5 cm2 to about 80 cm2 and a cross-sectional area of from about 2 cm2 to about 12 cm2,
- wherein the support portion comprises:
- (a) a first layer having a thickness of from about 0.16 cm to about 0.40 cm;
- (b) a second layer having a thickness of from about 0.16 cm to about 0.20 cm;
- and
- (c) a third layer having a thickness of from about 0.60 cm to about 0.64 cm.
A shoe insole comprising an inner sole comprising a forefoot interior quadrant, a forefoot exterior quadrant, a rearfoot interior quadrant, and a rearfoot exterior quadrant,
- wherein the inner sole is bounded by a top surface, a bottom surface, a back surface, a front surface, an inner lateral surface, and an outer lateral surface,
- wherein the top surface is bounded by the back surface, the front surface, the inner lateral surface, and the outer lateral surface at an exterior top edge,
- wherein the bottom surface is bounded by the back surface, the front surface, the inner lateral surface, and the outer lateral surface at an exterior bottom edge,
- wherein the inner sole has a density of greater than about 0.8 g/cm3, and
- wherein the inner sole has a support portion in the rearfoot exterior quadrant having a thickness of greater than about 1.0 cm and one or more of a surface area of from about 12.5 cm2 to about 80 cm2 and a cross-sectional area of from about 2 cm2 to about 12 cm2,
- wherein the support portion comprises three layers, wherein each layer comprises a different medical grade foam.
A shoe insole comprising an inner sole comprising a forefoot interior quadrant, a forefoot exterior quadrant, a rearfoot interior quadrant, and a rearfoot exterior quadrant,
- wherein the inner sole is bounded by a top surface, a bottom surface, a back surface, a front surface, an inner lateral surface, and an outer lateral surface,
- wherein the top surface is bounded by the back surface, the front surface, the inner lateral surface, and the outer lateral surface at an exterior top edge,
- wherein the bottom surface is bounded by the back surface, the front surface, the inner lateral surface, and the outer lateral surface at an exterior bottom edge,
- wherein the inner sole has a support portion in a rearfoot exterior quadrant having a thickness of greater than about 1.0 cm and one or more of a surface area of from about 12.5 cm2 to about 80 cm2 and a cross-sectional area of from about 2 cm2 to about 12 cm2,
- wherein the support portion comprises three layers and wherein each layer is only in the rearfoot exterior quadrant.
Dependencies are inferred from the claim text.