Intrauterine cauterizing apparatus and method
CA 1319072 F · Owner: Bolduc, Lee R. · Inventors: Bolduc, Lee R.; Neuwirth, Robert S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for effecting necrosis of a tissue lining of a mammalian body cavity particularly a, uterine endometrium, by introducing an applicator comprising a distendable bladder connected to a catheter into the uterus, distending the bladder by introducing a non-toxic fluid under pressure, heating the fluid by means located internal to the bladder to a temperature of 190° to 215°F and preferably 210°F for a period of 4 to 12 minutes and preferably 6 minutes and regulating said apparatus by means located external to the uterus thereby cauterizing substantially the entirety of the tissue lining, particularly theendometrium.
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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
- Granted June 15, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 15, 2010.
- 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.