Lead system
CA 2313174 A1 · Owner: Lindstrom, Curtis C. · Inventors: Heil, John E.; Bartig, Jeffrey T.; Goebel, Gary W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A single-pass endocardial lead electrode for implantation within a single chamber of the heart, or multiple chambers of the heart. The lead includes a first distal end electrode and a second electrode. The first and second electrodes are either passively or actively attached to the wall of the heart. The lead body also includes a curved portion which facilitates the positioning of the second electrode. The main lead body alternatively includes a recess into which an atrial lead body and an active fixation element attached to one end can travel from a recessed position to a position for fixation to the wall of the heart. The active fixation element can also be moved by turning 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 December 17, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 17, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 17, 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.