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Expired Canadian patentCanada

Adjustable spinal stabilization system

CA 2591848 C · Owner: Jahng, Tae-Ahn · Inventors: Jahng, Tae-Ahn; Bowman, Brian; Yim, Jason

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

An adjustable spinal stabilization system having a flexible connection unit for non-rigid stabilization of the spinal column. In one embodiment the , spinal stabilization system includes a flexible connection unit having a tether running through a hollow portion of the flexible connection unit wherein the tether limits bending of the flexible connection unit. In a further embodiment the tether is pre-tensioned. In a further embodiment the , tension upon or compression of the tether is adjustable.

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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 21, 2005 and granted August 7, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 21, 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 21, 2005
GrantedAugust 7, 2012
Term endedDecember 21, 2025
Patent numberCA 2591848 C
Classification (IPC)A61B17/70 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedDec 21, 2005Patent grantedAug 7, 2012Term endedDec 21, 2025

Sources & verification

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