Method and apparatus for extracting fluid and related method and apparatus for preserving blood fluid
CA 2090602 A1 · Owner: Cryo-Cell International, Inc. · Inventors: Knippscheer, Hermann; Richard, Daniel D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods and apparatus for extracting fetal blood from an umbilical cord and/or placenta include centrifugation the application of, pressure via rollers (890) and vacuum suction. In each apparatus, a conical receptacle (630) holds the placenta and an inflatable balloon (650) is provided for squeezing the placenta to force blood into the umbilical cord. In addition in a method for, preserving umbilical cord blood a severed umbilical cord is provided, which has at least one tubular blood vessel closed at opposite ends to maintain fluid in the vessel. An anticoagulant is added to blood fluids in the vessel, and the blood fluid is moved in the vessel to distribute the anticoagulant throughout …
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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
- Filed August 27, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 27, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 27, 2013.
- 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
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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.