Built around Walter Zohmann’s Gertie Marx® Needle, IMD, Corp develops, manufactures, and distributes atraumatic spinal needles designed to reduce post-dural puncture headache. For more than 30 years, the company has worked with physicians worldwide to refine the design, offering needle sizes suited to patients ranging from infants to those requiring extra-long options. Its product line also includes QuickGuard, a moldable protector intended to help prevent dental damage during anesthesia.