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Expired Canadian patentCanada

Trimmable sensing catheter

CA 2477993 C · Owner: Rosenberg, Meir · Inventors: Rosenberg, Meir

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

An implantable fluid management device is provided that includes a catheter having at , least one wire running therethrough and coupled to a sensor disposed at a distal portion of the , catheter. At least a portion of the wire is removably coupled to the catheter to allow a length of , the catheter to be selectively adjusted thereby providing a trimmable sensing catheter. The , device can be used for a variety of medical procedures but in an exemplary , embodiment the , device is a ventricular catheter that is used to drain CSF from a patient's ventricles.

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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 18, 2004 and granted May 15, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 18, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 18, 2026.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 18, 2004
GrantedMay 15, 2012
Term endedAugust 18, 2024
Patent numberCA 2477993 C
Classification (IPC)A61M25/00 +2 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedAug 18, 2004Patent grantedMay 15, 2012Term endedAug 18, 2024

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.