Catheter tracking system and method
CA 2206183 A1 · Owner: Roke Manor Research Limited · Inventors: Lloyd, Peter Gregory
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A catheter tracking system for tracking and monitoring a position of a catheter head within the human or animal body comprises a self referencing catheter. The self referencing catheter comprises an inner core, wherein the said outer sheath comprises a plurality of sensors and a fixing means for fixing the said outer sheath at a predetermined position and wherein the, said sensors receive signals generated by the said transducer so, as to produce measurement signals in accordance with a time of propagation of the said signals for determining the position of the said head relative to the said outer sheath.
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 May 26, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 26, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 26, 2019.
- 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.