Atrial tracking cardiac stimulator
CA 2286169 A1 · Owner: Adams, John M. · Inventors: Sirokman, William A.; Adams, John M.; Alferness, Clifton A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An atrial tracking cardiac stimulator (30) detects atrial activations of a heart (10) through an atrial lead (36) associated with at least one of the atria (12) of the heart, and delivers ventricular pacing pulses to the heart through a ventricular lead (38) associated with at least one of the ventricles (16) of the heart. The stimulator (30) includes a pulse generator (74) including an output stage (92) which delivers a pacing pulse to the atrial lead (36) for detecting atrial activations. A rejectory processor (72) times rejectory time periods responsive to detected atrial activations. The rejectory processor (72) further provides a conducted atrial activation to the pulse …
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 March 1, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 1, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 1, 2021.
- 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.