DEVICE FOR AUTOMATIC INJECTION OF DRUG DOSES

A device for the automatic injection of doses of a drug compound comprising a sliding sheath (30) which, when depressed with its front end (3) against the injection site, interacts with cam means (26, 27, 28) to activate the triggering of a plunger (8), controlling the delivery of a drug dose. Plung...

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Bibliographische Detailangaben
Hauptverfasser:	LEWIS SCOTT ALEXANDER, DRIVER PHILIP JEROME, MOSELEY GUY CONWYN JULIAN, EDHOUSE MARK JEFFREY
Format:	Patent
Sprache:	eng
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 device for the automatic injection of doses of a drug compound comprising a sliding sheath (30) which, when depressed with its front end (3) against the injection site, interacts with cam means (26, 27, 28) to activate the triggering of a plunger (8), controlling the delivery of a drug dose. Plunger guide means (44) are provide for controlling the triggering sequence and means (4) for arming the device in the dose delivery condition. Automatic needle re-sheathing and resetting of a lock-out condition after each dose is delivered are provided. The number of the device components is reduced resulting in a simpler structure and cost reduction.