Method and apparatus for metered infusion of fluids
CA 1088835 A · Owner: Baxter Travenol Laboratories, Inc. · Inventors: Jess, Thurman S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for infusing fluids into the human body includes a peristaltic-type pump and an administration set having a vinyl tubing section on which the pump acts. To prevent the release of dissolved gas in the tubing section and the possible coalescence of released gas bubbles into pockets of air the pressure in the tubing downline of the pump is increased by partially restricting the lumen of the tubing. This restriction also assists in restoring the tubing to its original shape following compression by the peristaltic pump for more accurate metering and more efficient pumping action, and prevents uncontrolled gravity flow in the event of a pump failure. To provide a uniform …
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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 November 4, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 4, 1997.
- 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.