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Our flagship marker clip, HydroMARK, is surrounded by a patented hydrogel carrier which provides up to 12 months of U/S visibility, even after neoadjuvant chemotherapy. 

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    It's about unmatched long term ultrasound visibility...

    HydroMARK breast markers are titanium clips embedded in a patented hydrogel carrier. Once implanted in tissue the hydrogel carrier begins to absorb fluid and swells to 200% of its original size in 24 hours. The gel becomes 90% water to provide HydroMARK with its characteristic hypoechoic appearance on ultrasound that lasts up to 12 months and remains visible even after neoadjuvent chemotherapy.

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    • Up to 12 months of unmatched ultrasound visibility even in patients undergoing neoadjuvant chemotherapy for confident and efficient detection months after implantation
    • Permanent visibility on mammography with three uniquely identifiable shapes for a variety of clinical scenarios
    • Uniquely distinguishable on a T2 MRI sequence
    • Facilitates ultrasound guided localisation procedures
    • Available for direct puncture and VABB procedures

    “Up to 12 months of unmatched ultrasound visibility even in patients undergoing neoadjuvant chemotherapy”

    Product Features

    HydroMARK is pre-loaded in a delivery system* for easy insertion

    *Other delivery systems available and will vary in appearance to the above image

    Product Features

    • Sharp bevel tip design
    • Roughened surface for increased visibility under ultrasound (reverse shown)
    • CM depth markings
    • Orientation arrow
    • Ergonomic handle
    • Plunger to deploy marker



    Unmatched Long Term Ultrasound Visibility

    24 hours

    Absorbs fluid and swells to 200% of its original size in 24 hours.

    6 Months

    Hypoechoic appearance on ultrasound

    12 Months

    Visibility of Breast Markers over Time

    This graph1 shows the long-term visibility of HydroMARK, in comparison to 4 other commercially available breast markers.

    1. David M Pinkney & Biren A. Shah. 2013. Prospective Comparative Study to Evaluate the Sonographic Visibility of Five Commerically Available Breast Biopsy Markers. Journal of Diagnostic Medical Sonography 29(4) 151–158.

    Visibility under Mammography

    3 easily distinguishable shapes with permanent visibility on mammography.

    T3 Open Coil

    T4 Butterfly

    T1 Barrel

    Visibility under MRI

    T1 MRI

    Visible under a T1 MRI sequence

    T2 MRI

    Uniquely distinguishable on T2 MRI sequence

    HydroMARK Mini

    The HydroMARK Mini offers the same benefits as the original HydroMARK but in a smaller profile marker.

    The hydrogel carrier is approximately two thirds the size of the standard HydroMARK and housed in a smaller 18g delivery system making it an ideal choice for:

    • Superficial lesions
    • Patients with small breasts or male patients
    • Smaller lesions
    • Hard calcified lesions


    HydroMARK Mini


    unmatched ultrasound visibility


    mammography visibility


    distinguishable shapes

    Swells to

    of original size in 24 hours


    HydroMark Brochure
    Markers Overview Brochure

    Contact us VIA

    If you would like further assistance with using our HydroMARK Breast Marker range, or need advice on how to order, please call us on: 0114 268 8880