Method and apparatus for frank lead reconstruction from derived chest leads
CA 2379566 A1 · Owner: Murray, William J. · Inventors: Murray, William J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In an ECG monitoring and analyzing system of the type where electrodes are placed on a subject for detecting electrical activity of a heart and where , the electrode placement is such that Frank Leads X Y and Z can be constructed , from the detected electrical activity an ECG signal transformation network , for providing Frank X Y and Z leads, comprises an input, responsive to a set of input signals corresponding to no more than derived chest leads dV1 dV2, dV3, dV4, dV5 and dV6, a memory for storing coefficients of a transformation matrix, and an output, for providing transformation matrix output signals corresponding to application of said transformation matrix coefficients to said …
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 28, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 28, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 28, 2022.
- 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.