Dose detection with piezoelectric sensing for a medication delivery device
The present disclosure relates to a medication delivery device comprising: a device body having a longitudinal axis; a dose setting member coupled to the device body and rotatable relative to the device body during a dose dispensing operation; an actuator coupled to the 5 device body and movable rel...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
13.10.2022
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Subjects | |
Online Access | Get full text |
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Summary: | The present disclosure relates to a medication delivery device comprising: a device body having a longitudinal axis; a dose setting member coupled to the device body and rotatable relative to the device body during a dose dispensing operation; an actuator coupled to the 5 device body and movable relative to the device body during the dose dispensing operation; and a dose detection system configured to detect rotation of the dose setting member during the dose dispensing operation, the dose detection system comprising: at least one deformable member; at least one piezoelectric sensor coupled to the at least one deformable member; and a plurality of force applicators arranged in a helical pattern on an outer surface of the dose 0 setting member, wherein each force applicator is configured to apply a mechanical force to the at least one deformable member and deform the piezoelectric sensor during the dose dispensing operation.. |
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Bibliography: | Application Number: AU20210201056 |