Item Number: QNX0010

  • Your Price
  • Regular price $20,502.00

Engineered to exceed expectations

The PROTEOR QUATTRO Microprocessor Knee is designed to be more intuitive, more personalized, and more adaptable. With patented valve technology, advanced customization options, extended battery life, and remote updates, the QUATTRO gives you more of exactly what you need to live the life you want.

More intuitive for elevated security and dependability

  • QUATTRO Control Technology’s patented valve for effortless transitions between activities
  • Three hyper-responsive sensors read body movements
  • Stumble recovery determines appropriate resistance to recover more naturally

 More personalized for a custom experience

  • Up to 20 custom modes
  • Patient app for mode selection and refinement
  • Clinician app for easy set up and calibration
  • Shortest build height for a wider selection of ankles and feet

 More adaptable for fewer interruptions

  • Battery life of over 2 days plus booster
  • Water-resistance (IP67 rating) for full submersion
  • No service interval for 3 years
  • Remote transmission of cadence data
  • Remote firmware updates

Warranty & Service: The PROTEOR QUATTRO MPK is covered by a 36 month warranty. No service intervals are required with the standard warranty. An (optional) 2 year limited warranty extension or a 3 year limited warranty may be purchased to protect your investment past the included 3 year warranty. During this period, repairs deemed as mandatory by the manufacturer will be provided at no cost, including the use of a loaner knee unit. The extended warranty must be purchased within 12 months of the original QUATTRO knee invoice date. The 2 year extended warranty includes one obligatory service and maintenance inspection at 36 months and the 3 year extended warranty includes two obligatory service and maintenance inspections at 36 months and 54 months. The product will be inspected for proper function, mandatory repairs and component upgrades will be completed at no charge. A loaner knee unit will be provided for use while the service inspection is underway. Accessories such as the battery charger are provided with a 12 month warranty.

    Technical Specs


    Item N°.




    3.65lbs (1655g)

    Build Height

    8.5" (216mm)

    Knee Flexion


    Proximal Connector


    Threaded Top

    Maximum patient weight

    300lbs /136kg

    Activity level

    K3 / K4

    Battery Life

    2-3 days

    Water resistance



    Product Sheet

    Instructions For Use

    PDAC Verification Letter

    Letter of Medical Necessity

    Prosthetist Setup Guide

    Patient Setup Guide

    Build Height Guide

    Quick Reference Guide

    QUATTRO Therapist Guide

    • L5856, L5828, L5848, L5845, L5850, L5925

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