Catheter tracking system
CA 2249030 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 tracking system as depicted in Figure 1 for locating and tracking a catheter head 16 with reference to a part of the human or animal body 1. The catheter tracking system comprising a catheter 10 having a catheter head 16 which is arranged to be conveyed through the human or animal body to a desired location, a plurality of spaced apart transducers at least one of which is disposed on the catheter 18, and at least two further transducers are disposed at predetermined reference positions 19 in and/or around the human or animal body and a signal processing unit 22 which operates to energise the plurality of transducers 18,19, and in accordance with a time of flight of signals …
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 October 16, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 16, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 16, 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.