Pulsatile pump
CA 2355324 A1 · Owner: Neumann, Werner · Inventors: Gollner, Manfred; Heinze, Hendrik; Bluschke, Arthur (Deceased)
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a pulsatile pump and to a blood pump for assisting or for replacing the human or animal heart. The aim of the invention is to provide drives for a pump and to provide pumps which are characterized by having a small overall size, especially a low overall height which do not , exhibit proper motion during operation and which have a small mass. To this , end the invention provides a pulsatile pump comprised of a stator which is mounted in a housing and of an actuator which can be moved in relation to the stator using electromagnetism and spring force. Said actuator can move in a reciprocating manner between a first position and a second position during , which a …
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 December 20, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 20, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 20, 2021.
- 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.