Apparatus for obtaining biological fluids
CA 2279933 A1 · Owner: Abbott Laboratories · Inventors: Elstrom, Tuan A.; Shain, Eric B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention provides a method and apparatus for disrupting the outermost layer of the skin, the stratum corneum to provide access to biological fluid, which can be used to determine the concentration of glucose in blood. The invention can be used to extract interstitial fluid blood and mixtures of , interstitial fluid and blood from the body of a human or an animal. The method comprises the steps of 1) attaching a receptacle (26) for collecting biological fluid to the surface of the skin of a patient 2) introducing an , oscillation concentrator (20) attached to an oscillation element (12) into the receptacle (26), 3) positioning the oscillation concentrator (20) at a desired …
Read the whole patent
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 5, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 5, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 5, 2020.
- 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.