Pen type Injector robust for administration by Injection of medicinal products, and comprises a Housing, a Shank pistonA Thread Sleeve Marker dose with a first step and a Drive Sleeve with a helical Groove in a Second Step, in which the first and second step are equal.

摘要

Pen type Injector in which the helical thread of the first step and the second step of the spiral Groove are equal,The piston rod has a threaded portion at a First end and a Second end in a Second.