Medical surgery case: 3D printing assists in mandibular remodeling

Inadvertently injured when operating the machine, the face was damaged beyond recognition. A few days ago, Tianjin Hospital Plastic Surgery applied 3D printing technology , successfully completed a case of maxillofacial fracture reduction and small titanium nail titanium plate internal fixation. It is understood that this is the first application of this technology in Tianjin plastic surgery, filling a technical gap in this city.

Mr. Gao, who worked in the field to work in Tianjin, was accidentally injured by the machine during his work. He suffered from severe facial trauma combined with mandibular fracture and neck and thoracic fracture. Due to the serious injury, after being transferred to several hospitals, he was sent to the Tianjin Hospital Trauma Emergency Center. At the time of admission, Mr. Gao was in critical condition. After consultation with multidisciplinary experts, he was eventually admitted to Tianjin Hospital for Plastic Surgery.

Due to the complicated condition of the patient and the comorbidities, Professor Gu Junping, the director of the Department of Plastic Surgery of Tianjin Hospital, conducted a comprehensive analysis of the patient's condition and consulted the opinions of other subjects. He decided to carry out trauma debridement and save lives. After the vital signs were stabilized, Incision and reduction of the mandibular fracture with small titanium nail titanium plate internal fixation surgery. In order to avoid the damage to the important neurovascular structures such as facial nerve, phrenic nerve and facial artery in the operation, to ensure the accuracy of the operation and reduce the operation time, the doctors decided to rebuild the mandibular fracture model of Mr. Gao by using 3D printing technology before surgery. Preoperative alignment is performed to further accurately design the surgery.

Due to adequate preparation, the operation time was greatly shortened, and intraoperative bleeding and secondary damage were also significantly reduced, avoiding facial scars caused by surgery. Mr. Gao recovered well after surgery, his occlusion was stable, he could eat the next day, and he was discharged after a week.

Professor Gu Junping told this reporter that 3D printing technology can be used in orthopedic surgery to help doctors accurately design before surgery. Doctors no longer need to find by experience, but can accurately operate according to the location of the model, greatly reducing the risk during surgery. It is conducive to early rehabilitation of patients.

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