Windowed catheter and method of use
CA 2116724 A1 · Owner: C.R. Bard, Inc. · Inventors: Gambale, Richard A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An over-the-wire catheter includes an elongated shaft having a guidewire lumen extending substantially the entire length of the catheter for receiving a guidewire. The catheter has a length relative to the guidewire such that the guidewire can simultaneously extend out the proximal and distal ends of the catheter. The catheter shaft includes a window opening the guidewire lumen to the exterior of the catheter. The window is of such a length and is so located on the shaft that as the catheter is withdrawn proximally over the guidewire the window is exposed, to provide access to the guidewire before the proximal end of the guidewire is disposed distal to the proximal end of the catheter and …
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 March 1, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 1, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 1, 2016.
- 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.