Walking assistance apparatus and control method
US10980699B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2018 |
| Grant date | Apr 20, 2021 |
| Priority date | — |
| Expiry date | Apr 27, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H2201/5097
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A walking assistance apparatus includes a suit to be worn on a knee and waist of a user, a first wire that couples a portion included in the suit and worn above the knee to a portion included in the suit and worn on the waist, a second wire that couples a portion included in the suit and worn above a back of the knee to a portion included in the suit and worn on the waist, and motors coupled to the first and second wires. The motors are controlled to generate tensions so that each of the first and second wires has a stiffness greater than 200 N/m during a first period including a period of 95% or more and 100% or less of a first gait cycle of the user and a period of 0% or more and 50% or less of a second gait cycle subsequent to the first gait cycle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.