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Expired Canadian patentCanada

Intervertebral disc prosthesis

CA 2591976 C · Owner: Ldr Medical · Inventors: Zeegers, Willem

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The present invention relates to an intervertebral disc prosthesis comprising at least three pieces including an upper plate (1) a lower plate (2), and a , movable core (3) at least in relation to a plate wherein it also comprises , two anatomic adaptation elements (11 22) of which each has, on one hand, a surface (110, 220) in contact with a surface of a vertebra and on the other , hand, a surface (111) of which at least a part has a surface in contact with a least a part of the plate (1 or 2) opposite to which the anatomic adaptation element (11 or 22) is mounted, the anatomic adaptation elements (11 22) being , fixed onto the plates (1, 2) via fixation means (113 223).

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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 December 14, 2005 and granted October 1, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 14, 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.
FiledDecember 14, 2005
GrantedOctober 1, 2013
Term endedDecember 14, 2025
Patent numberCA 2591976 C
Classification (IPC)A61F2/44 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedDec 14, 2005Patent grantedOct 1, 2013Term endedDec 14, 2025

Sources & verification

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