Two chambered autotransfuser device and method of use
CA 1301003 C · Owner: Spranger, Douglas M. · Inventors: Ouriel, Kenneth; Spranger, Douglas M.; Kirk, Karl D. (Skip), Iii
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An autotransfuser is disclosed that includes in, a single receptacle, a pair of chambers separated by a common wall. Each receptacle can alternately perform a, blood infusion or blood collection function. Each chamber includes at least three inlets/outlets namely a blood, inlet, a blood outlet and an air inlet means. In some embodiments of the invention the air inlet means serves alternately to couple either an air or a pressure source on the one hand or a vacuum source on the other hand to the corresponding chamber. In other embodiments of the invention, the air inlet mans comprises a vacuum inlet and a separate air or pressure inlet. A disk like device or valve manifold is arranged for …
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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 May 19, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 2009.
- 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.