Apparatus and method for the delivery of drugs and genes into tissue
CA 2340075 A1 · Owner: Zhang, Lei · Inventors: Rabussay, Dietmar; Hofmann, Gunter A.; Zhang, Lei
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrode assembly for an apparatus for and a method of trans-surface molecular delivery, including a non-conductive carrier having a proximal surface, a distal surface, and a plurality of through holes from the proximal surface to the distal surface, a first electrode disposed on at least a portion of the distal surface and extending through at least a portion of the plurality of through holes and onto at least a portion of the proximal surface, a second electrode disposed on at least a portion of the proximal surface and in closely spaced relation with the first electrode for engaging a tissue surface through which to apply an electric field and an insulating , barrier that is …
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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 May 14, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 14, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 14, 2021.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.