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    • 5. 发明专利
    • AUTOMATIC INJECTOR
    • AU2016222391A1
    • 2016-09-15
    • AU2016222391
    • 2016-08-31
    • MERIDIAN MEDICAL TECHNOLOGIES INC
    • HURLSTONE CHRISTOPHER JOHNMATHEWS COLIN JAMESROCHFORD CRAIG MALCOLMWILMOT JOHN GLYNDWRYOUNG MATTHEW EGERTONHILL ROBERT LRAVEN SOPHIE REBECCA
    • A61M5/00A61M5/32
    • An automatic injector (100) comprising a housing; having a retention step formed on an inner surface of the housing; a cartridge having an opening therein and containing a medicament, the medicament rearwardly confined by a plunger received through the opening, the cartridge (160) including a needle assembly operative to dispense the medicament there through during a medicament dispensing operation, the needle assembly including a needle; a cartridge container (140) disposed within the housing and operative to receive the cartridge therein, the cartridge container having a ledge that abuts the retention step of the housing to limit movement of the cartridge container within the housing, the cartridge container having a closed front end except for an opening therein sized to receive the needle there through during the medicament dispensing operation, the closed front end operative to engage the cartridge and oppose continued movement of the cartridge after the needle passes through the front end opening; an actuation assembly (130) providing a stored energy source capable of driving the plunger within the cartridge to dispense the medicament through the needle assembly, the actuation assembly secured to the housing; and a needle cover (150) at least partially received within the housing and operative to receive therein at least the front end of the cartridge container, the needle cover extending beyond the housing and having an end surface operative to contact an injection site prior to a medicament dispensing operation, the end surface having an opening sized to receive the needle there through during a medicament dispensing operation; wherein: residual force from the energy source after activation of the automatic dispensing operation is contained within the cartridge container, the cartridge, the housing, and the actuation assembly to prevent kickback of the automatic injector from the injection site during a medicament dispensing operation.
    • 6. 发明专利
    • Automatic injector with kickback attenuation
    • AU2010201665B2
    • 2013-05-30
    • AU2010201665
    • 2010-04-27
    • MERIDIAN MEDICAL TECHNOLOGIES INC
    • HURLSTONE CHRISTOPHER JOHNMATHEWS COLIN JAMESROCHFORD CRAIG MALCOLMWILMOT JOHN GLYNDWRYOUNG MATTHEW EGERTONHILL ROBERT LRAVEN SOPHIE REBECCA
    • A61M5/00A61M5/32
    • An automatic injector (100) comprising a housing; having a retention step formed on an inner surface of the housing; a cartridge having an opening therein and containing a medicament, the medicament rearwardly confined by a plunger received through the opening, the cartridge (160) including a needle assembly operative to dispense the medicament there through during a medicament dispensing operation, the needle assembly including a needle; a cartridge container (140) disposed within the housing and operative to receive the cartridge therein, the cartridge container having a ledge that abuts the retention step of the housing to limit movement of the cartridge container within the housing, the cartridge container having a closed front end except for an opening therein sized to receive the needle there through during the medicament dispensing operation, the closed front end operative to engage the cartridge and oppose continued movement of the cartridge after the needle passes through the front end opening; an actuation assembly (130) providing a stored energy source capable of driving the plunger within the cartridge to dispense the medicament through the needle assembly, the actuation assembly secured to the housing; and a needle cover (150) at least partially received within the housing and operative to receive therein at least the front end of the cartridge container, the needle cover extending beyond the housing and having an end surface operative to contact an injection site prior to a medicament dispensing operation, the end surface having an opening sized to receive the needle there through during a medicament dispensing operation; wherein: residual force from the energy source after activation of the automatic dispensing operation is contained within the cartridge container, the cartridge, the housing, and the actuation assembly to prevent kickback of the automatic injector from the injection site during a medicament dispensing operation.