High speed surgical cutting instrument
CA 2551887 C · Owner: Medtronic, Inc. · Inventors: Adams, Kenneth M.; Lewis, Cecil O.; Oliver, Dana A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A surgical cutting instrument including an outer tube inner wire assembly, cutting tip, coupling chuck and housing. The outer tube includes a lumen extending from a proximal end to a distal end. The inner wire assembly is received within the lumen. Preferably, the outer tube and inner wire assembly form a longitudinally curved segment. The cutting tip is connected to a distal section of the inner wire assembly. The coupling chuck is secured to a proximal section of the inner wire assembly. The housing maintains the outer tube and the coupling chuck. A rotating journal bearing preferably a rotating-, hydrodynamic bearing is established between the inner wire assembly and the inner …
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 February 1, 2005 and granted January 22, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 1, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.