Prosthetic implant manufacture
CA 2092320 A1 · Owner: Depuy International Limited · Inventors: Elloy, Martin Arthur
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of manufacture of a prosthetic device e.g. a hip joint prosthesis to be implanted in a particular bone cavity (11) comprises: preparing an image of the bone cavity usually an x-ray, image: providing a template which defines the required shape of an implant. In one embodiment one of a supply of template sheets having reference lines thereon can be lined-up with corresponding references on the image, and the required implant outline is marked on the sheet by any suitable manual marking means. In an alternative a template is selected from a range of templates of a general shape appropriate to the implant to be fitted in the bone cavity (11), and is compared with the image in order …
Read the whole patent
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 June 11, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 11, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 11, 2013.
- 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.