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Expired Canadian patentCanada

Controlled needle-free transport

CA 2597666 C · Owner: Wendell, Dawn M. · Inventors: Wendell, Dawn M.; Hemond, Brian D.; Hunter, Ian W.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A needle-free transdermal transport device (100) for transferring a substance across a surface (155) of a biological body (150) includes a reservoir (113) for storing the substance, a nozzle (114) in fluid communication with the reservoir and a controllable electromagnetic actuator (125) in communication with the reservoir. The actuator, referred to as a Lorentz force actuator includes a stationary magnet assembly (105) and a moving coil assembly (104) . The coil assembly moves a piston (126) having an end portion positioned within the reservoir. The actuator receives an electrical input and generates in response a corresponding force acting on the piston and causing a needle-free …

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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 13, 2006 and granted July 15, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 13, 2026.
  • 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 13, 2006
GrantedJuly 15, 2014
Term endedFebruary 13, 2026
Patent numberCA 2597666 C
Classification (IPC)A61M5/30 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedFeb 13, 2006Patent grantedJuly 15, 2014Term endedFeb 13, 2026

Sources & verification

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