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Expired Canadian patentCanada

Ultrasonic surgical instrument

CA 2582520 C · Owner: Neuenfeldt, Steven K. · Inventors: Barton, Scott N.; Isaacs, Karen M.; Houser, Kevin L.

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 ultrasonic clamp coagulator assembly (100) that is configured to permit selective cutting, coagulation and clamping of tissue during surgical procedures. An elongated portion of the instrument can be configured for endoscopic applications and has an outside diameter of less than 6mm. The construction includes a clamping mechanism including a clamp arm pivotally , mounted at the distal portion of the instrument which is specifically , configured to create a desired level of tissue clamping forces exceeding 4 , pounds when the trigger is fully closed. The clamping mechanism includes a twopiece pad design and pad material that enables the higher tissue clamping forces and a …

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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 October 7, 2005 and granted September 12, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 7, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 7, 2005
GrantedSeptember 12, 2017
Term endedOctober 7, 2025
Patent numberCA 2582520 C
Classification (IPC)A61B18/00 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedOct 7, 2005Patent grantedSep 12, 2017Term endedOct 7, 2025

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