Drug delivery system with multipolar magnet and sensor system

Laurits Højgaard Olesen (Inventor), Henrik Bengtsson (Inventor), Leif Johansen (Inventor), Keld Baden-Kristensen (Inventor), John Sørensen (Inventor)

Research output: Patent

23 Downloads (Pure)


A drug delivery system comprises an indicator element and a sensor system. The indicator element is arranged to rotate relative to a reference component and corresponding to a reference axis and comprises a plurality of dipole magnets. The sensor system comprises a plurality of magnetometers arranged non-rotational relative to the reference component and adapted to determine continuous magnetic field values from the plurality of dipole magnets, as well as processor means configured to determine on the basis of measured values from the plurality of magnetometers a rotational position and/or a rotational movement of the indicator element.

Original languageEnglish
IPCA61M 5/ 315 A I
Patent numberWO2019110494
Filing date03/12/2018
Country/TerritoryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date04/12/2017
Priority numberEP20170205062
Publication statusPublished - 13 Jun 2019

Bibliographical note

Also published as: CN111417425A; EP3720525A1; US10682469B2; US10835683B2; US2020147317A1; US2020306456A1; US2020330693A1; WO2019110494A1


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