Blood clots filtering device
CA 1280331 C · Owner: Lebigot, Jacques · Inventors: Lebigot, Jacques
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Filtering device useful for partly interrupting the inferior vena cava and for creating an efficient barrier against embolic migration; in the expanded operating condition, said device comprises a filiform body,extended at one of its ends by a plurality of diverging flexible wires, which wires are regularly circumferentially spaced apart one with respect to the other while the free end of each one is bent outwardly to form a fastening tip, the other end of said body ending in a stabilizer which also acts as a second filter constituted, of a plurality of flexible wires diverging around said, body, which wires are regularly circumferentially spaced one with respect to the other and are …
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
- Granted February 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 19, 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.