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Ball of foot shoe inserts
   
Document Number
US Patent 7159342
Issued Date
January 9, 2007
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Abstract
A removable ball of the foot insert for placement into footwear at a position in correspondence with a forefoot portion of the footwear includes a substantially planar member made from a viscoelastic gel, the planar member including a lower surface and an upper surface, and a plurality of parallel, spaced apart, sinusoidally shaped spring walls formed from a viscoelastic gel and extending from the lower surface of the planar member at a predetermined area corresponding to a ball of the foot when the insert is inserted into the footwear, for separating bones of second and third metatarsals of the foot, the spring walls having heights that generally decrease outwardly from a center of the predetermined area, and the viscoelastic gel of the planar member having a hardness greater than a hardness of the viscoelastic gel of the spring walls.
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Number of Claims:
6
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Published
January 9, 2007
Application Number
10/643,172
Filed
August 18, 2003
US Classification
36/180   36/71
Int'l Classification
A61F   5/14   (20060101)  
Examiner
Attorney/Law Firm
USPTO Field of Search
36/71   36/180   36/174   36/173   36/145   36/178  
Related Patents
7506459 - Ball of foot shoe inserts - Owned by Schering-Plough Healthcare Products, Inc. (Memphis, TN)

A removable ball of the foot insert for placement into footwear at a position in correspondence with a forefoot portion of the footwear includes a substantially planar member made from a viscoelastic gel, the planar member including a lower surface and an upper surface, and a plurality of spring walls formed from a viscoelastic gel and extending from the lower surface of the planar member at a predetermined area corresponding to a ball of the foot when the insert is inserted into the footwear, for separating bones of second and third metatarsals of the foot, the spring walls having heights that generally decrease outwardly from a center of the predetermined area, and the viscoelastic gel of the planar member having a hardness greater than a hardness of the viscoelastic gel of the spring walls.

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Description
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