Improved micro-needles and methods of manufacture and use thereof
CA 2391810 A1 · Owner: Olson, Lorin · Inventors: Olson, Lorin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A micro-needle is provided which is particularly useful for the minimally invasive, sampling of a biological fluid and/or the minimally invasive delivery of a drug or other, formulation across the skin. The micro-needle has a structure having a base at a proximal, end and a vertex at a distal end and an open lumen extending there through and through, which fluid may be transferred. The structure defines a structural axis that intersects the, lumenal axis defined by the open lumen. The point of intersection between these axes is at a, point below the vertex of the micro-needle to provide a sharp apex at the distal end of the, micro-needle and defines the general configuration of the …
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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 June 27, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 27, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 27, 2024.
- 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.