- Pen
Cap
Protects OptiClik® from dust and breakage - Outer
Needle Cap
Assists removal of inner needle - Inner
Needle Cap
Helps to keep the needle as clean as possible; reduces the
chance of accidental sticks - Needle
Injects insulin into the body; there are two types of needles:
a push-on or a screw-on - Cartridge
Each cartridge holds 300 units of insulin
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- Cartridge
Release Button
Releases the used cartridge so you can replace it - Start
Button
Releases Dosage Knob, resets display to 00
- Digital
Dose Display
Displays the number of units of insulin to be used - Dosage
Knob
Used to dial in and inject the prescribed dose of insulin
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