Process and apparatus for harvesting vein
CA 1281963 C · Owner: Mindich, Bruce · Inventors: Mindich, Bruce
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A section of a vein to be used for example in aorto-coronary bypass surgery, is harvested by making two incisions severing the vein at opposite ends of the section to be removed. A plastic guide is inserted in one incision passed through the length of the vein section and out the other incision. A plastic tube having an inside diameter slightly larger than the outside diameter of the vein to be harvested and having two knife blades at its leading end is inserted into one of the incisions and slipped over the end of the vein section to be removed. The tube is pushed in over the vein section while rotating the tube to sever vein branches by the knife blades and heating the knife blades …
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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
- Granted March 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 26, 2008.
- 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.