Computer-controlled ankle-foot prosthesis with series J-spring actuation
US11883305B2 · kind B2 · utility
0Cited by
6References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2021 |
| Grant date | Jan 30, 2024 |
| Priority date | — |
| Expiry date | Jul 20, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/6854
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.