Apparatus and method for use in performing a surgical operation
CA 1283336 C · Owner: Berkeley, Michael E. · Inventors: Mccune, William L.; Purnell, Mark L.; Berkeley, Michael E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus and methods for use in performing surgical operations such as anterior or posterior cruciate ligament reconstructions wherein the apparatus has means for positioning a target area at the center of a an arc of a circle so that when the target area is positioned at a location relative to the anatomical center of the original attachment of the cruciate ligaments on the tibia and femur bones kirschner wires may be pushed through guide means having a longitudinal axis coinciding with a ray emanating from the center of the circle and indicate the proper location for holes in the tibia and femur for the proper attachment of a cruciate ligament graft substitute. The apparatus is also used …
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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 April 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 23, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.