A constant-force technology that allows the delivery of highly viscous formulations of up to several hundred centipoise.

Rotaject® is constant-force technology that allows the delivery of highly viscous formulations of up to several hundred centipoise. To meet the request for a wider variety of fill volumes for next-generation biological formulations, the technology can be customized into a disposable auto-injector using either a 1mL or a larger 2.25mL syringe.

  • Simple 2-step operation
  • Needle cover activation
  • Compatible with automatic or manual needle insertion
  • Supports audible, visual & tactile feedback mechanisms during the injection
  • Proven in clinical & commercial use
  • Human Factors engineering for optimum patient comfort
  • Supports passive locking needle cover to reduce risk of needle-stick injuries