Method and apparatus for tubal occlusion
CA 2360586 A1 · Owner: Carr-Brendel, Victoria E. · Inventors: Harrington, Douglas C.; Carr-Brendel, Victoria E.; Bowman, Brett S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention is methods, and devices for occlusion of the fallopian tubes of a woman. The method involves thermally damaging the lining of the uterus tubal junction with relatively low power, followed by the placement of a reticulated foam plug (34). In one embodiment, vascularized tissue (36) grows into the plug, and prevents or discourages formation of scar tissue around the plug. Another embodiment with a relatively small foam pore size encourages formation of a vascularized capsule (38) around the plug. The presence of this vascularized capsule limits the patient's foreign body response so that the , capsule does not constrict around the plug. Also presented is a catheter (51) …
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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 January 28, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 28, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 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.