Disposable cassette for fluid delivery pump systems, pump system for enteral/parenteral fluid control and delivery
CA 1329745 C · Owner: Shen, Ying · Inventors: Pavsek, Thomas J.; Frantz, Mark G.; Sears, Lawrence M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A medical pumping system has a supply tube (2) an outlet tube (6), a readily sterilizable disposable cassette, (3) connected to the tubes and engaged with the pump and means, (22,24) such as a motor-driven piston for intermittently, applying pressure to the cassette. The pumping system features a display and switch means (9, 10) on a front panel thereof a pressure sensor (28), an optical fluid presence sensor (19) and a microprocessor (20) metering the volume of fluid pumped through said cassette (3), monitoring output signals from said sensors (18, 28), controlling the motor-driven piston in accordance with settings entered via said which means (9,10) and directing output data to said …
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 May 24, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 24, 2011.
- 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.