Patent ID: 7957929

Claim:
A drug dispensing apparatus comprising a cassette for containing drugs in an aligned state, a rotor disposed at one open end of said cassette, a pushing unit for pushing said drugs toward said rotor, a drive mechanism for pivoting said rotor alternately between a dispensing position and a receiving position by operating a drive switch to dispense said drugs one by one, and a measuring unit for measuring the present quantity of said drugs in said cassette, characterized in that: a memory unit for storing a stock quantity N 0 of said drugs in said cassette is further provided; and wherein when said rotor is returned to the receiving position from the dispensing position, the present quantity N measured by the measuring unit is compared with the stock quantity N 0 stored in said memory unit, wherein if the present quantity N is less than the stock quantity N 0 , the present quantity N is stored in said memory unit as a stock quantity N 0 , while if the present quantity N is same as the stock quantity N 0 , it is informed that said drug has been forgotten to take out.