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Expired Canadian patentCanada

Digital buttress plate for use in modular femoral fixation system

CA 1328956 C · Owner: Mtg Divestitures Inc. · Inventors: Edwards, Charles Cannon; Mears, Dana Christopher; Chapman, Michael William

CIPO record

Overview

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Abstract From the Canadian patent

A modular femoral internal implant system for use in the treatment of femoral disorders resulting from injury, disease or congenital defect includes at least three interconnectable components: 1) an elongated epiphyseal/metaphyseal implant, 2) an intramedullary rod and 3) an angled side plate having an elongated plate portion adapted to be secured to the outer cortical wall and a hollow sleeve adapted to extend into the femur. The epiphyseal/metaphyseal implant can be connected to either the angled side plate or the intramedullary rod. The system may also include an elongated bone plate connectable to the angled side plate, one or more additional epiphyseal/metaphyseal implants of variable …

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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

  • Granted May 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 19, 1987
GrantedMay 3, 1994
Term endedMay 3, 2011
Patent numberCA 1328956 C
Classification (IPC)A61B17/56 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedJune 19, 1987Patent grantedMay 3, 1994Term endedMay 3, 2011

Sources & verification

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