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Expired Canadian patentCanada

System and method for motion-controlled foot unit

CA 2556041 C · Owner: Clausen, Arinbjorn V. · Inventors: Thorhallsdottir, Hjordis; Ragnarsdottir, Heidrun G.; Jonsson, Helgi

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Abstract From the Canadian patent

A system and method associated with the movement of a limb. In one example the system, such as a prosthetic or orthotic system includes an actuator , (116) that actively controls or adjusts, the angle between a foot unit (104) and a lower limb member (102). A processing module may control movement of the actuator (116) based on data obtained from a sensor module. For instance sensing module data may include information relating to the gait of a user and may be used to adjust the foot unit to substantially mimic the movement of a natural, healthy ankle. The system may further accommodate for example, level , ground walking, traveling up/down stairs traveling up/down sloped surfaces, and …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed February 11, 2005 and granted April 21, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 11, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 11, 2005
GrantedApril 21, 2015
Term endedFebruary 11, 2025
Patent numberCA 2556041 C
Classification (IPC)A61F2/68 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedFeb 11, 2005Patent grantedApril 21, 2015Term endedFeb 11, 2025

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.