A ROTARY DOSAGE SENSING MODULE FOR A DISPOSABLE DRUG DELIVERY PEN AND A METHOD OF ASSEMBLING THE SAME

A dosage sensing module for or in a pen drug delivery device and a method of assembling the same. The module comprises a housing consisting of a first and second housing part, a power source unit, a processor unit and a dosage sensor unit with a first sensor part adapted to be fixed to a part not ro...

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Bibliographic Details
Main Authors MATSUZAKI, Blake, FRAZIER, Ryan, Scott
Format Patent
LanguageEnglish
French
German
Published 19.05.2021
Subjects
DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
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Summary:A dosage sensing module for or in a pen drug delivery device and a method of assembling the same. The module comprises a housing consisting of a first and second housing part, a power source unit, a processor unit and a dosage sensor unit with a first sensor part adapted to be fixed to a part not rotating during dose expelling and comprising a printed circuit board on which a pattern of individual electrical conductive sensor areas are arranged. The sensor unit further comprises a second sensor part adapted to be fixed to the piston rod to follow the rotation thereof during dose expelling. The second sensor part comprises individual structures that together with the conductive sensor areas are adapted to, upon relative rotational movement between the first and second sensor part, provide electrical signals to a processor unit indicative of the relative rotational position between the first and second sensor part.
Bibliography:Application Number: EP20190735355