US Patent 10299955 Braces having inelastic and elastic materials

Lower back braces and materials for braces having an elastic base and inelastic strands or tightening mechanism(s) are provided. An elastic base material could be made effectively inelastic by tightening an inelastic cord that extends across the elastic base material. Additionally or alternatively, an elastic base material could include one or more inelastic strands that define one or more inelastic compression zones in an otherwise elastic base.