Exemplary embodiments provide firing mechanism assemblies that minimize or eliminate a misfire of an automatic injection device that causes a delay in the delivery of an injection. Exemplary embodiments provide automatic injection devices including firing mechanism assemblies that minimize or eliminate a misfire that causes a delay in the delivery of an injection. Exemplary embodiments provide methods for minimizing or eliminating misfire that causes a delay in delivery of an injection in automatic injection devices. Exemplary embodiments provide methods for using automatic injection devices that are free of a misfire that causes delay in delivery of a therapeutic substance into a patient’s body.例示性實施例提供最小化或消除導致傳遞注射延遲之自動注射裝置不發射情況(misfire)之發射機構總成。例示性實施例提供包括最小化或消除導致傳遞注射延遲之不發射情況之發射機構總成的自動注射裝置。例示性實施例提供最小化或消除導致自動注射裝置中傳遞注射延遲之不發射情況的方法。例示性實施例提供使用免於發生導致治療性物質延遲傳遞至患者體內之不發射情況之自動注射裝置的方法。
