Apparatus for dispensing fluid into body canals
CA 1078691 A · Owner: Population Research Incorporated · Inventors: Bolduc, Lee R.; Dickhudt, Eugene A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A material dispensing apparatus for placing a material in the uterine cavity and moving the material from the uterine cavity into the Fallopian tubes of a female. An elongated probe carries an expandable member and a housing con-, nected to the probe has a piston and cylinder structure and a container for storing the material. Material and expansion drive mechanisms are connected to a single actuator selectively controllable by an operator. When the actuator is operated it is moved into the housing to both dispense the material and expand the expandable member. Pressure control means are provided in the drive linkage for expanding the expandable member to assure that a predetermined maximum …
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 June 3, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 3, 1997.
- 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.