Anderson, Philip D.,Julian, Joseph F.,Laurusonis, Linas P.,Parmer, Timothy,Yoch, Travis,Jang, Samuel M.,Corrigan, Sean,Matusaitis, Tomas,Fienup, William,Strahm, Chris
申请号：
AU2015227439
公开号：
AU2015227439A1
申请日:
2015.09.16
申请国别(地区):
AU
年份:
2015
代理人:
摘要：
#$%^&*AU2015227439A120151008.pdf#####WEARABLE AUTOMATIC INJECTION DEVICE FOR CONTROLLED DELIVERY OF THERAPEUTIC AGENTS ABSTRACT A wearable automatic injection device (4600) for providing a subcutaneous injection of a therapeutic agent into a patient, the wearable automatic injection device (4600) comprising a housing (5102) comprising a patient contact portion securable to the patient an injection assembly moveably disposed in the housing (5102) holding a hypodermic injection needle for insertion into the patient, the injection assembly moveable between a retracted position in which the injection needle does not protrude outside the housing (5102) and an extended position in which the injection needle protrudes outside the housing (5102) a vessel provided in the housing (5102) for holding the therapeutic agent a plunger moveably disposed in the vessel for ejecting the therapeutic agent from the vessel into the injection assembly a plunger actuation mechanism for actuating the plunger within the vessel a retraction trigger responsive to a change of state of the wearable automatic injection device (4600) from an injection state to a post-injection state and a retraction mechanism for automatically retracting the injection assembly from the extended position in the injection state to the retracted position in the post-injection state upon triggering by the retraction trigger.
