CLAMP TYPE FULL AUTOMATIC INJECTION PEN

摘要

A clamp type full automatic injection pen comprises a pen body (5) and a needle outer protection sleeve (9). A button (3) is arranged at a bottom end of the pen body (5). A medication containing clamp type bottle (8) is installed in an internal cavity of the needle outer protection sleeve (9) and the pen body (5) and a vent needle sleeve (11) is sleeved on the periphery of a double edge injection needle (10) arranged at an opening end of the medication containing clamp type bottle. A hook (3) and a lock push rod (7) are arranged in the internal cavity of the pen body (5). An annular rib is opened on an inner surface at the bottom end of the pen body (5) and used for hooking securing of the hook (3) and the lock push rod (7) is used for being connected with a rubber plug arranged at a bottom end of the medication containing clamp type bottle (8). A button spring (2) is arranged between the button (3) and the annular rib and a lock push rod spring (6) is arranged between the lock push rod (7) and the annular rib. By means of the clamp type full automatic injection pen repeated injection usage is achieved and the usage is convenient.