Method and apparatus for locating resection at the distal condylar femur, tibia, and patella
CA 2308200 A1 · Owner: Katz, Lawrence · Inventors: Katz, Lawrence
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A femoral resection apparatus (30) and method are provided for resecting at least one of the posterior, anterior, and distal surfaces of the condyles of a femur to provide a surface for receiving a femoral prosthesis (5). The apparatus (30) includes a measuring system to determine a location of the posterior, anterior, and distal resections to be made. The apparatus (30) additionally includes a graduated scale (80) to measure a distance between the anterior and posterior surfaces of the femoral condyles including markings , (82) representing different prosthesis sizes markings in between the size , markings to account for the difference between the measured distance and the , nearest …
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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 October 22, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 22, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 22, 2020.
- 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
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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.