Prefabricated Lumbar Brace to relieve Low back Pain. ATTENTION MEDICARE AND INSURANCE BENEFICIARIES – If you have low back pain, you may be eligible for this brace at little or no cost. We will work with your doctor. Please E-fax your prescription to 310 494-3462 or call us at 310 675-9121. The ActivLoc HPB High Profile Brace features rigid anterior and posterior panels that help stabilize the lower back and sides, enabling return to moderate activities in patients with low or middle back pain.