Patent ID: 8556120

Claim:
A medical agent dispenser, comprising: a main body case; a discharge mechanism configured to discharge the desired drug from one of a plurality of holders that hold drugs and are disposed equally spaced in the lengthwise direction of an annular drug cartridge installed inside the main body case; a rotation mechanism configured to rotationally move the annular drug cartridge; an input interface that is operated to bring about drug discharge processing by the discharge mechanism; and a controller configured to control the rotational movement of the drug cartridge on the basis of number of times the input interface is operated; wherein the main body case has a discharge port for discharging the drug, the rotation mechanism has gears that engages with the holder and rotationally move the drug cartridge, the input interface has a command button for directing the discharge of the drug, and when a drug discharge command is inputted at the command button, the controller rotates the gears to rotationally move the drug cartridge and moves the holder containing the drug to be discharged to the position corresponding to the discharge port.