Apparatus and method for dissolving gallstones
CA 1259538 A · Owner: Research Corporation · Inventors: Allen, Mark J.; Thistle, Johnson L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method and means for distributing therapeutic agents in a localized area of a patient's body comprising introducing a thereapeutic area of a patient's body and agitating the thereapeutic agent in the localized area of a patient's body by introducing an oscillating liquid to the localized area in an amount effective to facilitate distribution of the therapeutic agent therein.
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
- Granted September 19, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 19, 2006.
- 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.