Implantable electrophoretic pump for ionic drugs and associated methods
CA 1265964 C · Owner: Stevens, Charles L. · Inventors: Rizk, Nabil I.; Stevens, Charles L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An implantable electrophoretic pump for ionic drugs and the method of using the same is provided. A reservoir is provided with a filler opening and a discharge opening. The discharge opening has a diffusion membrane and a pair of associated electrodes. A battery and electronic components provide for energizing the electrodes so as to effect ion transfer of the ionic drugs into other portions of the patient's body through the voltage induced between the two electrodes. The pump is particularly useful for ionic drugs such as insulin blood thinners, antibiotics and the like. A method of making a porous electrode.
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 February 20, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 2007.
- 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.