3D printing comprehensive attack hits the national medical boom

The advancement of science and technology has brought more and more gospel to patients. The increasingly widespread application of 3D printing technology in orthopedic treatment is one of them. Yesterday, Shenzhen Clinical Medicine 3D Printing Technology Transformation Research Center was established in the Second People's Hospital Spine Surgery. The center was founded by the Second Hospital of the City and Qianhai Aochuang Siwei Technology Co., Ltd., which means that 3D printing technology will be used in the future. It will be more and more widely used in clinical medicine. Doctors can simulate the reconstruction of tissue and organ repair treatment according to the needs of patients, and provide patients with personalized medical services.

Helping 12-year-olds treat scoliosis

Yang Xinjian, director of the Department of Spinal Surgery, introduced several surgical applications of 3D printing technology. A 12-year-old boy with neurogenic scoliosis with multiple inferior limb paralysis and extreme deformation of the spine. The child went to the second hospital of the city for spinal surgery. After a detailed consultation, Yang Xinjian believes that the condition of the child is more complicated and rare. It is a neuromuscular-derived scoliosis, and the disease progresses rapidly. It is necessary to operate in time. If the delay is made, the quality of life of the child will be greatly affected, and it is more likely that each A problem with cardiopulmonary function.

However, the choice of surgical methods is also very cost-effective. For the special condition of the child, Yang Xinjian decided to use the "lumbar posterior pedicle screw rod system" combined with "the iliac screw (Vaccaro method) internal fixation" for correction. Because the patient is accompanied by kyphosis, vertebral body rotation, vertebral insufficiency, and subluxation of the articular process (it is difficult to determine the anatomical calculus), it is extremely difficult to use the anatomical landmark method. If the ray ray assist method is used during the operation, Orthopedic surgeons have a large amount of radiation, and postoperative internal fixation screw displacement is likely to cause serious neurovascular complications. Taking into account the accuracy of surgery and patient safety, Yang Xinjian considered the application of the current international advanced 3D printing technology to surgery. Before the operation, the patient's spine CT and other parameters were sent to the 3D printing company. The doctor then developed a surgical plan based on the 3D printing model, simulated the operation operation, the angle and depth of the nail, and the intraoperative model reference to reduce the number of perspectives. On the 10th day after the operation, the little boy recovered well and could sit up and watch the TV he liked.

Will be widely used in clinical medicine

Yang Xinjian told reporters that 3D printing technology has been widely used in orthopedics due to its convenient operation and accurate model structure, and the clinical benefits of 3D printing technology are remarkable. Preoperative operation of the surgical model on the physical model can timely identify the defects and deficiencies in the surgical design, in order to make adjustments, improve the safety of the operation, select the best entry point, length and diameter of the screw on the model before surgery. Reduce the amount of intraoperative blood loss and operation time. The physical model can better communicate with patients and their families, explain and communicate the condition, and the three-dimensional spinal model can well display the anatomy of the complex diseased spine and improve the disease diagnosis rate.

Under this opportunity, City Second Hospital and Qianhai Aochuang Siwei Technology Co., Ltd. jointly established the Shenzhen Clinical Medicine 3D Printing Technology Transformation Research Center, which provides clinical demand by the City Second Hospital. Qianhai Aochuang Siwei Technology Co., Ltd. The company provides technical support. At this stage, the application of 3D printing technology in clinical medicine is mainly reflected in three aspects: the simulation of the simulation and the surgical plan before the plastic surgery through the personalized model of 3D printing; the accuracy of the clinical plastic surgery can be improved by the 3D printed surgical guide And success rate; personalized implants through 3D printing, bringing a second life to the patient.

Yang Xinjian said that at present, 3D printing technology is more used for surgical guidance. Although the technology is mature, but the related supporting regulations are not perfect, the technology is less used in personalized implantation. With the increasing use of 3D printing technology, compared with a few years ago, the price of the model has gradually decreased. Taking the 5 spines as an example, the original price is above 8,000 yuan, and the price is now 3,000 yuan.

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