BD Whitacre Spinal Needle, Thin Wall, 25G X 3.5" With one of the largest catalogs of medical, surgical and diagnostic supplies available online, Medex Supply can accommodate your facility's needs for Needles & Syringes. Spinal Needles can be found in our extensive online collection of products from globally recognized and trusted brands, including BD. An excellent option to consider is the Spinal Needle.