Syringe apparatus

An apparatus (100) for use with an auto-injector configured to receive a syringe and comprising: a firing assembly (102) comprising a rearward portion (108), a plunger rod (110) moveable forward relative to the rearward portion (108) and a plunger rod driver (112) configured to drive the plunger rod...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Rosie Hutt, Matthew John Dobson
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:	An apparatus (100) for use with an auto-injector configured to receive a syringe and comprising: a firing assembly (102) comprising a rearward portion (108), a plunger rod (110) moveable forward relative to the rearward portion (108) and a plunger rod driver (112) configured to drive the plunger rod (110) forward relative to the rearward portion (108); an insertion driver (106) configured to drive the syringe forwards on an insertion stroke for inserting a needle of the syringe into an injection site; and wherein the firing assembly (102) further comprises a retainer (114) engaged with the plunger rod (110) and/or the rearward portion (108) and configured to prevent forward movement of the plunger rod (110) relative to the rearward portion (108), and to disengage from the firing assembly (102) at a point on the insertion stroke.