Method and apparatus for patch-clamp measurements on cells
CA 2417796 A1 · Owner: Lepple-Wien-Hues, Albrecht · Inventors: Lepple-Wien-Hues, Albrecht
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention shows a method for patch-clamp experiments on cells or similar structures, where at least one cell is inserted into the lumen of a capillary and is positioned inside the capillary so that a sufficiently tight seal with , a resistance exceeding 1 preferably 10 GigaOhm develops between cell membrane and inner surface of the capillary. Along its length said capillary has at least at one position a smaller inner diameter than the outer diameter of said cell. Preferably the cell is inserted and positioned in the capillary by pressure, suction, sedimentation or centrifugation of a suspension or solution containing said cell. An apparatus for performing experiments using this …
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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 July 31, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 31, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 31, 2023.
- 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
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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.