作者: Bernard F. Grisoni , Laura J. Crane , Richard T. Avent
DOI:
关键词: Viscoelasticity 、 Planar 、 Ball (bearing) 、 Structural engineering 、 Materials science 、 Composite material
摘要: A removable ball of the foot insert for placement into footwear at a position in correspondence with forefoot portion includes substantially planar member made from viscoelastic gel, including lower surface and an upper surface, plurality parallel, spaced apart, sinusoidally shaped spring walls formed gel extending predetermined area corresponding to when is inserted footwear, separating bones second third metatarsals foot, having heights that generally decrease outwardly center area, hardness greater than walls.