A DRUG DELIVERY DEVICE

A drug delivery device includes a housing, a drug delivery mechanism within the housing and displaceable between pre-delivery and mechanical stop positions, and an end of dose switch. The end of dose switch includes a first sensor disposed on the drug delivery mechanism and a second sensor element d...

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Bibliographische Detailangaben
Hauptverfasser:	MASON, Craig Ashley, THOMAS, Richard James, GAZELEY, Oliver Charles
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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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Beschreibung
Zusammenfassung:	A drug delivery device includes a housing, a drug delivery mechanism within the housing and displaceable between pre-delivery and mechanical stop positions, and an end of dose switch. The end of dose switch includes a first sensor disposed on the drug delivery mechanism and a second sensor element disposed within the housing. The switch is configured to be triggered when relative movement of the first and second sensors causes the first and second sensor elements to move into a switch position. The delivery mechanism is biased in a proximal direction away from the mechanical stop position. The device includes a controller configured to: record when the end of dose switch is triggered;measure a duration of time between triggering the switch and the first and second sensors moving out of the switch position; and generate an error code indicative of a deviation between manipulations applied and a predetermined handling scheme.