Patent · US Active

Powered leg prosthesis and control methodologies for obtaining near normal gait

US8652218B2 · kind B2 · utility

24Cited by
4References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 21, 2009
Grant dateFeb 18, 2014
Priority date
Expiry dateFeb 10, 2030

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2220/0033
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A powered leg prosthesis includes powered knee joint comprising a knee joint and a knee motor unit for delivering power to the knee joint. The prosthesis also includes a prosthetic lower leg having a socket interface coupled to the knee joint and a powered ankle joint coupled to the lower leg opposite the knee joint comprising an ankle joint and an ankle motor unit to deliver power to the ankle joint. The prosthesis further includes a prosthetic foot coupled to the ankle joint, at least one sensor for measuring a real-time input, and at least one controller for controlling movement of the prosthesis based on the real-time input.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.