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Expired Canadian patentCanada

System and method for variable depth ultrasound treatment

CA 2580720 C · Owner: Guided Therapy Systems, Inc. · Inventors: Slayton, Michael H.; Barthe, Peter G.

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Abstract From the Canadian patent

A non-invasive variable depth ultrasound treatment method and system comprises a variable depth transducer system configured for providing ultrasound treatment to a patient. An exemplary variable depth transducer system can comprise a transducer configured to provide treatment to more than one region of interest, such as between a deep treatment region of interest and a superficial region of interest, and/or a subcutaneous region of interest. The variable depth transducer can comprise a transduction element having a piezoelectrically active layer, matching layers and/or other materials for generating radiation or acoustical energy. The variable depth transducer may be configured to …

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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 September 16, 2005 and granted November 18, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 16, 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.
FiledSeptember 16, 2005
GrantedNovember 18, 2014
Term endedSeptember 16, 2025
Patent numberCA 2580720 C
Classification (IPC)A61N7/00

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedSep 16, 2005Patent grantedNov 18, 2014Term endedSep 16, 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.