Physiological intervertebral disk endoprosthesis for the lumbar column and cervical vertebral column
CA 2582561 C · Owner: Buettner-Janz, Karin · Inventors: Buettner, Eiko; Buettner-Janz, Karin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an intervertebral disk endoprosthesis for the full , replacement of the intervertebral disk in the region of the lumbar column and the vertebral column. Said endoprosthesis consists of articulating sliding partners (11, 12, 13), the upper sliding partner comprising means for a fixed connection to an upper vertebral body and the lower sliding partner comprising means for a fixed connection to a lower vertebral body. At least one sliding surface is arranged between the sliding partners. The inventive endoprosthesis can be embodied with two or three functional parts and for both forms of , embodiment, as a result of the shape of the articulation surface(s) 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
- Filed October 18, 2005 and granted July 16, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 18, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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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.