It includes a dose mechanism, including a large piston, an acidizing device, a dose adjusting device, a dose limiting device, and a house with at least some dose devices.

摘要

A device that includes a Supply of medication, dosage mechanism which has a receptacle, plunger actuating device, a member of dosage adjustmentA member with dose limiting axial Movement, an element of another arrest associated with the limiter and the stem used for regulating the dose and casing.