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    • 8. 发明申请
    • VARIABLE STIFFNESS ORTHOTIC SHELL
    • WO2021124198A1
    • 2021-06-24
    • PCT/IB2020/062108
    • 2020-12-17
    • SCUOLA SUPERIORE DI STUDI UNIVERSITARI E DI PERFEZIONAMENTO SANT'ANNA
    • BALDONI, AndreaCIANCHETTI, MatteoCREA, SimonaVITIELLO, Nicola
    • A61F5/058A61F5/05833
    • An orthotic shell (10) comprising at least one laminar structure (100), comprising at least two overlapped layers, each layer comprising a plurality of laminar elements (110,120,130), said laminar elements (110,120,130) being made of flexible material and arranged to pass between a planar geometry, where the laminar structure (100) has a two-dimensional shape and is substantially parallel to a reference plane n, and a deformed geometry, where the laminar structure (100) has a three-dimensional shape. The orthotic shell (10) also comprises a hermetic wrapper (300) arranged to contain said at least two layers, said hermetic wrapper (300) arranged to be put under vacuum. In particular, each laminar element (110,120,130) comprises a central portion (111,121,131) and n > 3 connecting portions (115,125,135), each connection portion (115,125,135) having an elongated shape that extends from the central portion (111,121,131) along a longitudinal direction x. In particular, laminar elements (110,120,130) of a same layer are separated from each other. Advantageously, each connection portion (115) of each laminar element (110) of a first layer is arranged to overlap, at least partially, a connection portion (125) of a laminar element (120) of a second layer adjacent to the first layer in order to allow a connection of laminar elements (110,120,130) of adjacent layers. In particular, the orthotic shell (10) is arranged to pass between a deformable configuration, wherein the connecting portions (115,125,135) are arranged to bend for making the laminar elements (110,120,130) pass between the planar geometry and the deformed geometry, and a rigid configuration, wherein the hermetic wrapper (200) is vacuum- packed and the connecting portions (115,125,135) are subjected to mutual friction, rigidly locking each other in their position.