Microcatheter with improved distal tip and transitions
CA 2441693 A1 · Owner: Boston Scientific Limited · Inventors: Nguyen, Simon Ngoc Huu; Tran, Mai Xuan; Lim, Elaine
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates generally to intravascular catheters for performing medical procedures. An intravascular catheter is disclosed comprising a shaft, the shaft comprising an inner liner having a distal end a , distal tip; a second layer disposed over the inner liner the second layer , extending from the proximal end of the shaft to a distal terminus; a third layer disposed over the second layer; and a fourth layer disposed over the third layer, the fourth layer including a proximal end and a distal end. In addition, a method of manufacturing a catheter according to a preferred embodiment of the invention is disclosed.
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 21, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 21, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 21, 2024.
- 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.