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Ball of foot shoe inserts
   
Document Number
US Patent 7506459
Issued Date
March 24, 2009
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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 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:
10
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Published
March 24, 2009
Application Number
11/193,158
Filed
July 29, 2005
US Classification
36/71   36/180
Int'l Classification
A43B   19/00   (20060101)   A61F   5/14   (20060101)  
Examiner
Attorney/Law Firm
Parent Case
This application claims priority as a continuation-in-part to U.S. application Ser. No. 10/643,172, filed Aug. 18, 2003. The entire contents of that application are hereby incorporated by reference into the following specification.
USPTO Field of Search
36/71   36/180   36/173   36/174   36/175   36/145   36/178   36/93   36/95  
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