A new “magic weapon” in orthopedic surgery: How powerful is biomechanically adapted prosthesis implantation?

Planner: Chinese Medical Association

Reviewer: Cao Tiesheng, Director of 3D Printing Center, Second Affiliated Hospital of Air Force Medical University

Biomechanically adapted prosthesis implantation is a breakthrough technology that makes orthopedic surgery more precise and personalized. In traditional orthopedic surgery, doctors usually need to use standard-sized prostheses, which may not fully fit the bone structure of each patient, causing discomfort or functional problems. Biomechanically adapted prosthesis implantation solves this problem through advanced technology. It accurately measures the patient's bone density and bone strength, combines 3D printing and AI-assisted design, and tailors the most suitable prosthesis for the patient, thus achieving unprecedented biomechanical adaptation during surgery.

The core of this technology is personalized design. The doctor will first obtain the patient's bone structure data through CT or MRI scans, and then use 3D printing technology to make a prosthesis that fully matches the patient's bones. In this way, the prosthesis can accurately adapt to the patient's bone shape and functional needs, greatly improving the comfort and functional effect after implantation.

In addition, AI-assisted design technology is also integrated into biomechanically adapted prosthesis implantation. The AI ​​system can automatically analyze the patient's imaging data and, combined with the doctor's clinical experience, provide the most optimized solution for prosthesis design. Doctors can use 3D models to perform virtual surgery before surgery, rehearse the operation steps, predict possible problems, and make corresponding adjustments during the actual surgery. This rehearsal can significantly improve the success rate and safety of the surgery. This intelligent design method not only improves surgical efficiency, but also further improves the adaptability and safety of the prosthesis.

In 2023, the Department of Orthopedics at Peking University Third Hospital successfully completed the first biomechanically adapted prosthesis implantation surgery. Compared with other porous structure fusion devices, this prosthesis matches the patient's bone strength, effectively reducing the risk of complications such as fusion device sinking and intervertebral height loss in the early postoperative period. The patient recovered quickly after surgery and his symptoms were significantly relieved, which fully demonstrated the excellent efficacy of biomechanically adapted prosthesis implantation.