Flexi-Q PFS

The Flexi-Q PFS is a fully disposable auto-injector for Pre-Filled Syringes (PFS).


This single-use auto-injector features passive needle shielding, allows better patient safety and encourages patient compliance in self-injection.


It is the ultimate differentiating vehicle when considering the launch of a new drug or as a lifecycle management tool for an existing drug.

Pharmaceutical Company Advantages


  • Enables using a drug delivery device for drugs in prefilled syringes
  • Flexible delivery volumes of 0.1 - 1.0 mL
  • Compatible with low to high drug viscosity
  • Reduced skin reactions – injection starts only after full needle penetration
  • Delivery of the entire dose – same dead space as with manual technique
  • Color coding flexibility and other customization options

Short regulatory path

  • Compatible with standard glass syringes – no need to change drug container

Patient Benefits

Ease of use – better patient compliance

  • Fully automatic injection process
  • Quiet injection reduces patients’ anxiety and perceived pain
  • Reduces needle phobia – by hiding the needle throughout the injection process

Patient safety

  • Prevents needle-stick injuries – needle is protected throughout the injection process
  • Reduced local skin reactions - injects only into the correct depth (SC)
  • Clear visual and audible confirmation of the injection progress from beginning to end
  • Prevents inadvertent activation - allows activation only after pressing the injector against the patient’s skin
  • Clear distinction between injector ends – prevents injection in wrong direction


Regulatory status - Device Master File was submitted to the FDA (# MAF-1638)
User Steps
Watch Video
1. Inspect drug integrity through window. Pull out the Safety Cover.
2. Press Injector against skin and press Inject Button. Hold injector still for 10 seconds. You will hear a click at the end of injection. You may also observe the piston reaching the end of the barrel.
3. Remove used auto-injector from skin and discard* properly.

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