SYRING-HANDLE WITH LAST DOSE LIMITER AND IMPROVED MEANS FOR DOSING THE DOSE

摘要

The pen according to the present invention contains a friction mechanism for specifying a reduced dose, which can generate an increased audibility sound with each click, corresponding to setting one unit of dose using the dose setting mechanism, and also generates a reduced audibility sound compared with the previous one when clicking downward dose using the dose setting mechanism. The syringe handle actuator of the present invention has an indicator of the end of the dose of fluid in the cartridge.