Ultra-Micro 3D Printing Advances Inner Ear Treatment At KFSHRC

King Faisal Specialist Hospital and Research Centre in Riyadh has introduced a new method to treat a rare inner ear disorder. The approach reconstructs fragile balance structures using digital modelling and ultra-precise manufacturing. It offers a highly targeted option that preserves natural ear function while avoiding damage to sensitive tissues involved in hearing and balance.

The hospital reports that this method differs from traditional surgery, which often destroys the affected inner ear section to relieve symptoms. Conventional procedures can reduce vertigo but frequently cause partial functional loss. By contrast, the new technique focuses on rebuilding the damaged part, aiming to control symptoms while maintaining the ear’s normal role.

The KFSHRC Department of Otolaryngology developed the technique in cooperation with a specialised ultra-micro 3D printing team. The process begins outside the body, where the damaged inner ear region is digitally redesigned. High-fidelity simulation tools are used to copy the natural shape and fine anatomical details of the affected balance structure.

After the design stage, a very thin implantable layer is created through micro-scale three-dimensional printing. The implant is produced to match the original anatomical contours as closely as possible. Surgeons then place this layer with high precision, avoiding nearby tissues and preserving the normal movement of inner ear fluids required for balance.

The first clinical use involved a patient with an abnormal opening in the superior semicircular canal that caused more than two years of severe vertigo and marked imbalance. The medical team generated an ultra-fine anatomical model of the affected zone, which guided the printing of a delicate silicone layer used to seal the opening securely.

The patient’s symptoms before surgery were extensive and persistent. Recurrent vertigo, instability, reduced hearing, and strong sound sensitivity disrupted normal activities and required regular help from family members. Closing the canal defect with the custom silicone layer fully restored balance, while the delicate inner ear functions remained intact after the procedure.

KFSHRC inner ear treatment supports precision medicine goals

KFSHRC notes that this experience could support future treatment options for complex balance disorders. The method may be adapted to repair hard-to-reach regions inside the inner ear where conventional surgery is challenging. It is expected to enable more accurate, personalised interventions for patients whose conditions involve subtle structural defects.

The hospital links this work to its precision medicine strategy, which uses digital modelling, micro printing, and high-resolution imaging to design treatments matched to each patient’s anatomy. KFSHRC aims to be the provider of choice for highly specialised care, and the inner ear project reflects this broader clinical development approach.

The institution’s current rankings underline its role within regional healthcare and research.

This inner ear reconstruction technique, combining digital design and micro 3D printing, marks a notable step for KFSHRC’s balance disorder services. It provides a less destructive alternative to traditional surgery, demonstrates the hospital’s precision medicine direction, and may offer future benefits for patients in Saudi Arabia and beyond facing complex inner ear conditions.

With inputs from SPA