KOELIS Trinity®

MRI-Ultrasound Image-Guided Prostate Biopsy

KOELIS Trinity® a precise and versatile fusion biopsy system in the USA

Prostate cancer care relies, on the accuracy and reliability of diagnosis, but today traditional prostate biopsy is performed via simple ultrasound,  a blind procedure that can result in under or over treatment.

At Koelis we decided to see beyond biopsy by offering an all-in-one solution providing accuracy and reliability at every step of the prostate cancer journey from biopsy and active surveillance to treatment and follow-up.


Compact all-in-one system made to fit your clinic

Freehand, user friendly and with minimal instrumentation KOELIS Trinity® effectively incorporates into any clinical practice.

Transperineal | Transrectal | Local Anesthesia


Accurate diagnosis made by 3D technologies

Clinical accuracy is at the heart of our technology. Our 3D transducers combined with exclusive OBT Fusion® technology detects the slightest patient movement and prostate deformation for an accurate guidance and recording of the procedure.


Intuitive interface made to focus on the essentials

KOELIS Trinity® innovative and intuitive interface elevates fusion biopsy to new levels of productivity by making exams faster, accurate and reliable.

The Koelis Trinity® is designed to facilitate a range of urologic procedures including:

  • Transrectal and Transperineal prostate biopsies, with or without MRI. Automatic adjustment to prostate motion (OBT Fusion®. No external sensor) to ensure fusion accuracy.
  • Accurate volumetric mapping or cartography which enables & facilitates follow up Biopsies, Active Surveillance and treatment decisions.
  • Diagnostic abdominal and small parts ultrasound
  • Rectal spacer injections
  • Focal therapy guidance for the treatment of prostate cancer using Cryotherapy or HiFU.

Koelis Trinity® the only system equipped with Organ-Based Tracking Fusion® technology

Watch this video to learn everything about OBT Fusion® technology

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Contact Us

Thank you for your interest in KOELIS. Please contact us through the form below, and we will be sure to route your request to the appropriate party. We look forward to hearing from you! [email protected]

    Contact Information

    KOELIS Inc.

    116 Village Boulevard Suite 308
    Princeton, NJ 08540,
    United States

    Tel: +1-800-579-9451


    16 Chemin du Vieux Chêne
    38240 Meylan

    Tel: +33-4-58-17-68-10

    KOELIS Hong Kong

    21/F, On Hing Building
    1 On Hing Terrace, Central,
    Hong Kong

    Tel: +852-3971-9116

    Want to Implement KOELIS into your practice ? Contact a Sales Representative