Dosing and Needle Insertion and Retraction System for an Autoinjector

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Critical dosing and needle insertion subsystems for an autoinjector

Application

  • Multiple use Auoinjector for self application by patient
  • Delivers subcutaneous  medication, e.g. to treat rheumatic arthritis

Solutions

  • Miniaturized and precise gear motor to deliver medication out of syringe
  • Optimized for low power consumption of the battery driven autoinjector
  • Safe needle management, only capacitive skin sensor allows needle insertion after right placement, safe retraction