Percutaneous intra-aortic balloon and method for using same
CA 1291685 C · Owner: Schiff, Peter · Inventors: Schiff, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An intra-aortic balloon assembly has a balloon whose distal end terminates in a tip and whose proximal end is joined and communicates with the interior of a catheter tube. A slender stylet extends rearwardly from the tip through the balloon and catheter tube. The balloon is arranged so that its longitudinal axis is significantly displaced from the stylet facilitating tight wrapping of the balloon about the stylet in a single spiral. The stylet may be affixed to the balloon and/or the catheter tube. Coupling means for rotating the stylet are provided for removing any undesired twisting experienced by the stylet during wrapping. The balloon is preferably pre-wrapped and is shipped to the user …
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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 November 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 5, 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.