Percutaneous catheter directed intravascular occlusion devices
CA 2252913 C · Owner: Amplatz, Curtis · Inventors: Amplatz, Curtis; Kotula, Frank; Amplatz, Kurt
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention is an intravascular occlusion device (10) for Atrial Septal Defects (ASD), and Patent Ductus Arteriosus (PDA) treatment. The device (10) is constructed of resilient metal fabric (14 14'), and is capable of assuming , both an expanded configuration and a collapsed configuration. Once expelled out of a delivery catheter (314) the device returns to its expanded configuration in either a generally barbell configuration or a generally bellshaped configuration.
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 April 14, 1997 and granted June 25, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 14, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 14, 2019.
- 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.