In recent years, the concept of " 3D printing " is no stranger to everyone, especially 3D printing + medical, 3D bio-printing technology has achieved a breakthrough development. Imagine using 3D printing technology to print out any organ in your body, a tooth, a bone, or even a complex heart, liver, kidney, etc., implanting these organs into the human body and functioning as human organs. These assumptions seem whimsical, but 3D printing technology + medical has already had one successful sample of practice, and contemporary medical care is becoming different due to 3D printing.
A case of 3D lung model assisted surgery was successfully implemented in the case of Harbin
Recently, Professor Cui Jian, director of the Department of Thoracic Surgery, the Fourth Affiliated Hospital of Harbin Medical University, used 3D printing technology to assist with thoracoscopic lung segmentectomy, and used 3D printing technology to print a 3D model of human lung with complex tissue structure and successfully assisted with surgery. It is the first case in the province.
On the morning of the 9th, the reporter saw the 3D lung model that assisted Professor Cui Jian in performing surgery on the desk of Professor Cui Jian of the Fourth Hospital of Harbin Medical University. This 3D model is transparent and solid in shape, and its texture is not heavy. You can feel various parts of the lungs by touching it. Cui Jian took this lung model and introduced it to the reporter. This is the preoperative lung model of the patient who performed the operation. It accurately shows the shape of the patient's lungs. The blood vessels, aorta and pulmonary artery on the lungs are clearly visible. The key pointed to a blood vessel on the model and told reporters that through this model, the doctor discovered that the patient had a blood vessel different from ordinary people in the lungs, and the patient had a special lesion and had oppressed the blood vessels. This is in the CT film. It is invisible. If you don't understand these invisible places before surgery, the surgery is likely to cause great risks, and the consequences are unimaginable.
Cui Jian said that two months ago, the patient found that a patient with a circular soft tissue density of about 0.02 m in diameter was seen in the upper right lobe of the patient. After careful analysis of the patient's chest CT film, Cui Key decided to perform a segmental resection to maximize the retention of the patient's lung tissue. In order to minimize the risk of surgery, Cui Key decided to use 3D printing technology to assist in the operation, that is, the patient received a multi-slice spiral CT examination to obtain a high-quality lung image, reconstructed a 3D digital model, and then used a 3D printer to print out the lung model. Through the 3D lung model, doctors can clearly understand the true location of the tumor and the relationship between the tumor and the surrounding blood vessels, thus more accurate surgery, greatly reducing the risk of serious complications during surgery.
Cui Jian demonstrated the dynamic image of the patient's lung model on the computer. Through the dynamic image, the patient's lungs can be observed from various angles, from left to right, from top to bottom, and even from any angle. The organ can be moved with a click of the mouse. In addition to the demonstration function, the doctor can also perform a surgical rehearsal on the computer with the mouse. The mouse is like a scalpel, and the organ is removed one by one. Before the doctor took the stage, the operation has been performed many times. Great help.
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