Catheter localisation system
CA 2244058 A1 · Owner: Rex, James Alexander · Inventors: Rex, James Alexander
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A catheter localisation system for determining a position of a catheter (1,2) within a part of the human or animal body (3) comprising at least one catheter (1, 2) having a plurality of acoustic transducers (6) disposed on the catheter in a spaced apart relationship. Each acoustic transducer (6) is arranged to transmit or receive acoustic signals (12, 14), A signal processing unit (8) is coupled to the plurality of acoustic transducers (6) and arranged to selectively energise the transducers (6) and consequent upon acoustic signals (12 14) received by the, acoustic transducers (6) generate a plurality of acoustic transfer functions (24 28), representative of an effect of the part of the …
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 September 9, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 9, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 9, 2020.
- 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.