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In recent years, the term "3D printing" has become increasingly familiar to many, especially when combined with medicine. The field of 3D bio-printing has seen remarkable progress, opening up exciting possibilities. Imagine being able to print any organ in your body—whether it's a tooth, a bone, or even a complex heart, liver, or kidney—and then implant it into your body, where it functions like a real organ. While this may sound like science fiction, the integration of 3D printing and medical technology has already led to successful real-world applications, transforming modern healthcare.
A notable example comes from Harbin, where a groundbreaking case involved the use of a 3D lung model to assist in surgery. Professor Cui Jian, head of the Department of Thoracic Surgery at the Fourth Affiliated Hospital of Harbin Medical University, recently performed a thoracoscopic lung segmentectomy using 3D printing technology. He created a detailed 3D model of the patient’s lung, which accurately replicated its complex internal structures. This was the first such case in the province and marked a significant milestone in medical innovation.
On the morning of the 9th, a reporter visited Professor Cui’s office and saw the 3D lung model that had been used for the operation. The model was transparent, lightweight, and tactile, allowing doctors to physically examine different parts of the lungs. As Cui explained, this model was a preoperative tool that showed the exact structure of the patient’s lungs, including clearly visible blood vessels, the aorta, and the pulmonary artery. By pointing out a specific vessel on the model, he revealed that the patient had an unusual blood vessel configuration, which had caused a unique lesion pressing against the vessel—an issue that wasn’t visible on regular CT scans. Without this model, such risks could have led to severe complications during surgery.
Two months prior, the patient had been diagnosed with a small mass in the upper right lobe of the lung. After analyzing the CT scan, Professor Cui decided to perform a segmental resection to preserve as much healthy lung tissue as possible. To ensure safety, he opted to use 3D printing technology. The patient underwent a multi-slice spiral CT scan, which provided high-resolution images. These were then used to create a 3D digital model, which was printed out as a physical model. This allowed the surgical team to better understand the tumor's location and its relationship with surrounding blood vessels, leading to more precise and safer surgery.
Professor Cui also demonstrated the dynamic 3D model on his computer. The software enabled him to view the lungs from multiple angles, rotate them, and even simulate the surgery virtually. With just a click of the mouse, the organ could be manipulated, and the surgeon could practice the procedure before the actual operation. This virtual rehearsal significantly reduced the risk of errors and improved surgical outcomes. It’s a powerful example of how 3D printing is revolutionizing the medical field, making procedures more accurate, less invasive, and ultimately, more life-saving.