System and method for spine spacing
CA 2474264 A1 · Owner: Sherman, Michael C. · Inventors: Sherman, Michael C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system and method for positioning a spacer within a patient. The device has a first form having a reduced size to be inserted into the patient in a minimally invasive manner. The device than expands to a second form once inside the patient to an enlarged size. In one embodiment the expansion , results from biomaterial fed into the device. In another embodiment the , expansion results from the device being constructed of an expandable material that enlarges after being inserted into the patient. The method includes forming a minimally invasive opening within the patient for delivering the device to an application point. In one embodiment a conduit is positioned , within the patient …
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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 January 24, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 24, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 24, 2025.
- 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.