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Expired Canadian patentCanada

Method and apparatus for comparative analysis of videofluoroscopic joint motion

CA 1322059 C · Owner: Bell, Gene D. · Inventors: Bell, Gene D.

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Abstract From the Canadian patent

Apparatus and method for generating successive video images of a moving bone of a subject. A fluoroscope generates a fluoroscopic image of the moving bone. A video camera detects the fluoroscopic image and converts the detected image into successive video images. A recorder records the successive video images. A monitor displays the recorded successive video images as the images are being generated. The monitor is located adjacent the fluoroscope for viewing by an operator thereby permitting the operator to observe and/or position the bone in response to images displayed on the monitor. A crisscrossed grid is located adjacent the image intensifier of the fluoroscope between the bone and the …

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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 September 7, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 7, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 19, 1989
GrantedSeptember 7, 1993
Term endedSeptember 7, 2010
Patent numberCA 1322059 C
Classification (IPC)A61B6/00 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedSep 19, 1989Patent grantedSep 7, 1993Term endedSep 7, 2010

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