Centrifugal pump for pumping blood and other shear-sensitive liquids
CA 2264538 A1 · Owner: Kyocera Corporation (Also Trading As Kyocera Kabushiki Kaisha) · Inventors: Schima, Heinrich; Schmallegger, Helmuth
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a centrifugal pump consisting of a pump head and a , drive for pumping blood and other shear-sensitive liquids such as dialytic , suspensions containing cells in haemodialysis equipment. It is characterized by the drive (2) having a drive rotor (64) with a rotor disk (8) that are provided with permanent drive magnets (7); permanent magnets (33) located on the pump rotor (3) being allocated to these for magnetic coupling and to the , magnetizing coils (4) of a stator in the drive for generating the rotary motion; and the pump rotor shaft (61) extending into the pump intake (11) and being magnetically centered in the pump intake (11).
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 July 23, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 23, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 23, 2019.
- 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.