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    How ORTHOVISC® is different

    ORTHOVISC® is the only NON-AVIAN sourced hyaluronic acid injection therapy which has up to six months of clinically proven efficacy with just 3 injections.1  Patients with known avian allergies may be prescribed ORTHOVISC®.

    ORTHOVISC® is made from ultra-pure natural hyaluronanHyaluronan/Hyaluronate
    A substance found naturally in joint fluid that acts as a shock absorber and lubricant in the knee joint and is necessary for the joint to function properly.
    , and has no buffersBuffers
    A substance or mixture of substances that in a solution tends to stabilize and neutralize, within limits, both acids and bases
    or preservativesPreservatives
    Something that preserves or has the power of preserving
    . It restores the molecular weightMolecular Weight
    The sum of the atomic weights of all the atoms in a molecule
    , elasticity and viscosityViscosity
    The property of resistance to flow in a fluid
    of the osteoarthritic knee to more closely resemble the synovial fluid of a healthy knee.

    ORTHOVISC® contains the highest concentration of hyaluronan per injection than all other viscosupplements in the United States.2-6

    Concentration of Hyaluronic Acid

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