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Expired Canadian patentCanada

Ultrasonic surgical blade having transverse and longitudinal vibration

CA 2557658 C · Owner: Ethicon Endo-Surgery, Inc. · Inventors: Gallagher, Laura A.; Beaupre, Jean M.; Houser, Kevin L.

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Abstract From the Canadian patent

An ultrasonic surgical blade includes an ultrasonic-surgical-blade body having a longitudinal axis, a distal tip, a proximal end adapted for longitudinal ultrasonic vibrational excitation, a most-distal longitudinal vibration node a treatment portion extending from the distal tip toward the most-distal longitudinal vibration node, and a functional asymmetry. The functional asymmetry is asymmetric about the longitudinal axis and translates longitudinal ultrasonic vibrational movement of the proximal end into a combination of a longitudinal ultrasonic vibration and a transverse ultrasonic vibration in at least some of the treatment portion of the ultrasonic-surgicalblade body. An …

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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 February 25, 2005 and granted May 14, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 25, 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.
FiledFebruary 25, 2005
GrantedMay 14, 2013
Term endedFebruary 25, 2025
Patent numberCA 2557658 C
Classification (IPC)A61B17/32

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedFeb 25, 2005Patent grantedMay 14, 2013Term endedFeb 25, 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.