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An orthopedic surgeon at The Christ Hospital Health Network in Cincinnati has performed a pioneering surgery that combines 3D printing technology with traditional surgical methods. Dr. Robert Kulwin led the procedure, which involved using a custom 3D-printed talus bone in conjunction with a triple arthrodesis and ankle replacement to treat a patient suffering from advanced ankle joint disease and deformity.
Dr. Kulwin explained the significance of this approach: “This technology is changing what’s possible. Traditionally, fusion meant sacrificing movement to relieve pain. But the bone that underwent avascular necrosis was replaced by a cadaver bone which can cause problematic late collapse resulting in poor outcomes." He added that "by pairing 3D printing technology with traditional surgical methods, we can now offer our patients better outcomes that fit their unique needs while also leading the way in new orthopedic surgical options.”
Before undergoing surgery, the patient struggled with mobility, unable to walk or bear weight on her foot without wearing a boot. The innovative procedure combined the stability benefits of fusion with the flexibility offered by a custom 3D-printed talus implant paired to an ankle replacement, restoring structure and function.
The device used in this surgery was developed by Stryker and 4Web and is composed of cobalt chrome. Following the operation, the patient reported significant pain reduction and improved mobility, allowing her to walk longer distances without needing supportive footwear. This custom implant has received FDA approval for use under a humanitarian device exception for patients with Avascular Necrosis (AVN).
In addition to his surgical work, Dr. Kulwin will host a free webinar on Wednesday, June 25 at noon. During this session, he will address common causes of foot and ankle pain as well as discuss both non-surgical treatments and situations where surgery may be necessary.
The Christ Hospital Health Network operates multiple facilities across Cincinnati and has been recognized for its commitment to healthcare excellence by U.S. News & World Report and Newsweek.
