公开(公告)号：US20220160522A1

公开(公告)日：2022-05-26

申请号：US17455884

申请日：2021-11-19

申请人： Massachusetts Institute of Technology

发明人： Hugh M. Herr ,  Matthew Lawrence Handford ,  Christopher Charles Williams ,  Matthew Eli Carney ,  Daniel Visan Levine

IPC分类号： A61F2/66 ,  A61F2/68

摘要： An ankle-foot prosthesis comprises a foot structure having a foot keel leaf spring, a heel leaf spring, and an upper J leaf spring above the keel leaf spring. An ankle bearing block is mounted to the keel leaf spring and a shank shell is mounted to the ankle bearing block. A shank interface mounts to the shank shell. A processor controlled active element extends along an axis between the shank shell and the upper leaf-spring.

公开(公告)号：US11883305B2

公开(公告)日：2024-01-30

申请号：US17455884

申请日：2021-11-19

申请人： Massachusetts Institute of Technology

发明人： Hugh M. Herr ,  Matthew Lawrence Handford ,  Christopher Charles Williams ,  Matthew Eli Carney ,  Daniel Visan Levine

IPC分类号： A61F2/66 ,  A61F2/68 ,  A61F2/50

CPC分类号： A61F2/6607 ,  A61F2/68 ,  A61F2002/5003 ,  A61F2002/507 ,  A61F2002/6664 ,  A61F2002/6854

摘要： An ankle-foot prosthesis comprises a foot structure having a foot keel leaf spring, a heel leaf spring, and an upper J leaf spring above the keel leaf spring. An ankle bearing block is mounted to the keel leaf spring and a shank shell is mounted to the ankle bearing block. A shank interface mounts to the shank shell. A processor controlled active element extends along an axis between the shank shell and the upper leaf-spring.