Doppler guide wire
CA 1291808 C · Owner: Howmedica Inc. · Inventors: Pflueger, D. Russell; Evans, Scott M.; Cottonaro, Cliff N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
P.C.(HOSH) 7093, DOPPLER GUIDE WIRE, Abstract A guide wire for an intravascular catheter is disclosed. In one embodiment, the guide wire has Doppler means positioned on the distal end with, preferred Doppler means being piezoelectric ceramics or piezoelectric polymeric materials, both having electrical leads connected thereto. In another embodiment, the guide wire has a Laser Doppler means.
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 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.