Methods and apparatus for removing veins
CA 2391917 C · Owner: Long, Michael A. · Inventors: Grinberg, Alexander D.; Sjostrom, Douglas D.; Long, Michael A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for removing a vein includes making an incision through a skin layer of a patient, inserting a surgical instrument through the incision visualizing the vein through the skin layer using a light source positioned subcutaneously and in proximity of the vein and cutting the vein using the , surgical instrument. The vein can be visualized by directing light from the light source at the vein from underneath the vein or from a side of the vein. A device for illuminating a body structure has a housing with a distal end configured for subcutaneous insertion into a patient's tissue and positioning in proximity of the body structure, a light path supported by the housing and …
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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 November 16, 2000 and granted April 24, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 16, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 16, 2022.
- 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.