Magnetically suspended fluid pump and control system
CA 2405292 C · Owner: Prem, Edward K. · Inventors: Prem, Edward K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A blood pump for assisting a heart is provided having a stator and a rotor. The, rotor is magnetically radially supported creating a suspension gap between the stator, and the rotor. The rotor can be supported axially by a Lorentz force bearing and can be, magnetically rotated. The stator can have a single or double volute pump chamber and, the rotor can have an impeller portion for pumping blood. The rotor can have a center, bore as a primary blood flowpath. The suspension gap can be a secondary blood flowpath. The blood pump can also have an axial position controller and a flow rate, controller. The axial position controller can cause the axial bearing to adjust the, position of …
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
- Filed October 23, 1998 and granted October 21, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 23, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 23, 2020.
- 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.