At the beginning of 2017, the “National Jinling Trauma High-end Forum and Trauma Orthopaedic Class” hosted by the 454th Hospital of the Chinese People's Liberation Army held the unveiling ceremony of the “Digital Orthopaedic Innovation Studio”. The May Fourth Hospital was founded in collaboration with the tribes of the three to explore the innovative applications of 3D printing technology in the medical field and to create good economic and social benefits for medical clinical and medical research. Half a year has passed, and the studio is running well, providing strong support for clinical and scientific research.

3D printing technology can provide a more complete and personalized solution for the medical bio-industry. In terms of personalized solutions, typical applications include 3D surgical pre-planning models, surgical guides, 3D printed implants, and prosthetics and rehabilitation brace. . In the field of regenerative medicine, researchers have made remarkable progress in the use of bio-3D printing technology to cultivate artificial organs. The Department of Orthopaedics of the 454 Hospital cooperated with the “Shanghai 3D Horde”. In 2016, the "Digital Orthopaedic Research Studio" was established, with one 501M medical 3D printer and two small desktop printers.

What is the application of 3D printers in medicine?

Surgical planning model

Preoperative planning is important for highly risky surgeries. Traditionally, obtaining patient data through imaging equipment such as CT and magnetic resonance imaging (MRI) is the basis for pre-planning of doctors, but the medical images obtained are two-dimensional, and then the software is needed to turn the two-dimensional data into realistic. 3D data. The 3D printer can print the 3D model directly, which can help doctors to carry out accurate surgical planning, improve the success rate of surgery, shorten the operation time during surgery, reduce the scope of surgical exposure, reduce the pain of patients, and obtain satisfactory after operation. Efficacy. And it is convenient for doctors and patients to communicate intuitively about the surgical plan. In addition, even in the case of treatment failure, 3D printing can provide a traceable basis for both doctors and patients.

Medical record (1)

Chief Complaint: 4 points of pain in the right upper arm caused by falls

Diagnosis: 1, the right middle humerus comminuted fracture

2. Surgical guides (guided template and osteotomy template)

By using 3D printing pre-designed guide template or osteotomy template, it can achieve rapid and accurate nail placement and delicate surgery, reduce the iatrogenic injury caused by mistakes, reduce the operation time, reduce the radiation dose of doctors, and reduce the surgical injury of patients. Shortening the treatment time of patients is of great significance for early activities and early rehabilitation of patients.

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