Powered leg prosthesis and control methodologies for obtaining near normal gait
US10639169B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 16, 2015 |
| Grant date | May 5, 2020 |
| Priority date | — |
| Expiry date | Oct 16, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2220/0033
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A powered leg prosthesis including a powered knee joint with a knee joint and a knee motor unit for delivering power to the knee joint, a powered ankle joint coupled to the knee joint including an ankle joint and an ankle motor unit to deliver power to the ankle joint, a prosthetic foot coupled to the ankle joint, a plurality of sensors for measuring a real-time input, and controller for controlling movement of the prosthesis based on the real-time input. In the powered leg prosthesis, at least one of the knee motor unit or the ankle motor unit includes at least one drive stage, where the drive stage includes a rotary element for generating torque and at least one looped element affixed around the rotary element and configured for transmitting the torque to another rotary element coupled to a joint to be actuated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.