South African Surgeon Performed the World's First 3D-Printed Middle Ear Transplant

The Surgery That Made Medical History

In March 2019, a team at Steve Biko Academic Hospital in Pretoria, South Africa, completed what no surgical team had done before: a middle-ear transplant using 3D-printed titanium implants to replace the three smallest bones in the human body.

The procedure was led by Professor Mashudu Tshifularo, head of the Department of Otorhinolaryngology at the University of Pretoria. The patient was a 35-year-old man whose middle ear had been severely damaged in a car accident. The damage affected the ossicles: the malleus, incus, and stapes. These three tiny bones carry sound vibrations from the eardrum to the inner ear. When they are damaged by trauma, infection, or a birth defect, the result is conductive hearing loss.

Using CT scans of the patient's anatomy, Tshifularo's team designed titanium replacement ossicles and printed them to match the exact dimensions of the missing bones. The implants were biocompatible and matched the patient's anatomy precisely, which the team credits as the main reason the procedure succeeded.

After the operation, the patient reported regaining about 75 percent of his hearing. In interviews with the University of Pretoria, he described the procedure as life-changing after years of hearing problems.

Years of Research Behind a Single Operation

The breakthrough was not an overnight success. Tshifularo said he spent years developing the concept and that many organisations initially refused to support the idea. He learned about 3D printing himself and kept the project moving despite skepticism from others.

Before the transplant, Tshifularo had already established himself as a medical innovator. He developed a bloodless tonsillectomy procedure and contributed to hearing programmes aimed at expanding access to treatment. The middle-ear transplant extended that work into implant design and additive manufacturing.

Traditional treatments for middle-ear damage are complicated and do not always provide lasting results. By printing implants that replace only the damaged parts of the ossicles, the approach reduces the risks associated with more invasive reconstruction. The use of titanium, a material known to be compatible with the human body, removed one barrier to long-term implant safety.

What the Procedure Means for Personalized Medicine

The surgery showed that 3D printing could move beyond surgical models and prototypes to producing implants that function inside the human body. It opened discussions about personalized medicine, where devices are manufactured to match the exact anatomy of individual patients rather than adapting the patient to a standard product.

The procedure targets conductive hearing loss caused by damage to the middle ear. It does not address hearing loss caused by inner ear damage or auditory nerve damage. Tshifularo's goal was to develop a treatment that could eventually help more people suffering from middle-ear damage, not just the first patient.