Restoration of Speech, Mobility, and Independence Following Reconstruction of a Large Cranial Defect with a Patient-Specific Titanium Implant

Challenge

Following a severe traumatic brain injury, the patient developed an extensive cranial defect that required removal of approximately one-third of the skull. A subsequently implanted acrylic cranial prosthesis exerted pressure on the underlying brain tissue, leading to progressive deterioration of the patient’s communication and motor functions. As a result, the patient became dependent on a wheelchair and required daily assistance from family members.[1][2]

Solution

Based on medical imaging data, a patient-specific titanium implant was designed and manufactured to reconstruct approximately 34% of the cranial vault. The implant was produced using additive manufacturing technology based on laser powder bed fusion of a titanium alloy. The process included the digitalization of anatomical data, virtual design, and fabrication of an implant precisely tailored to the patient’s anatomy.[1][3]

Results

The surgical procedure was completed without complications. Approximately three months after implantation, the patient had regained the ability to communicate, was able to walk independently, and progressively recovered previously lost functional abilities. The clinical outcome significantly exceeded the original expectations of the medical team.[1][2][4]

The patient-specific implant restored the natural contour of the skull and created the conditions necessary for the patient’s return to a more independent life. From an initial state of dependence on continuous assistance, the patient gradually resumed normal daily activities, including independent ambulation and self-care.[4][5]

Significance of Personalized Manufacturing

This case demonstrated the potential of patient-specific implants in the reconstruction of extensive cranial defects. The combination of digital planning, biomedical engineering, and additive manufacturing enabled the development of an implant precisely matched to the patient’s individual anatomy and contributed to a substantial improvement in neurological function and overall quality of life.[1][3]

Sources:
[1] Titánový implantát vyrobený technológiou 3D tlače vrátil pacientovi reč, mobilitu a samostatnosť!, Univerzitná nemocnica L. Pasteura Košice, 14. 8. 2014.
[2] Špeciálny titánový implantát vrátil pacientovi reč i samostatnosť, TASR / TERAZ.sk, 13. 8. 2014.
[3] Juraj bol odkázaný na vozík, teraz chodí po vlastných: Košickí lekári použili unikátny titánový implantát!, Košice24.sk, 13. 8. 2014.
[4] Titán v hlave mu vrátil reč a postavil ho na nohy, Pravda, 13. 8. 2014.
[5] Titánový implantát vrátil po rokoch pacientovi reč a chôdzu, Korzár, 8. 10. 2014.