Humpback for more than 20 years, but has not made up his mind to do surgery. As she grew older, the pain in her spine forced her to turn to the doctor. In the past two days, the public Xu Hui (a pseudonym) came to the Department of Orthopaedics of the First Hospital of Nanjing, and wanted to solve the scoliosis that had plagued him for more than 20 years. Doctors in the hospital's digital orthopedics print out the skeletal model exactly the same as Xu Hui's spine through 3D modeling , find out all the problems, and simulate the surgery in advance. Now, Xu Hui is recovering after surgery, and her height has increased by 2 cm.
Spine scoliosis is serious, when it was more than 20 years, "Liu Luoguo"
When talking about the TV series "The Prime Minister Liu Luoguo", most people are familiar with it. The protagonist Liu Luoguo in the TV series is named after his own remarkable hunchback. Although the TV series is beautiful, it is not a happy thing to happen in reality. This is the case with Xu Hui, who is in her 50s this year.
Due to hereditary reasons, her spine was somewhat curved when she was young, but it was not serious, so although she was not beautiful, she never wanted to go to the hospital for surgery. From the age of 30, the situation is getting worse and more painful. Xu Hui, who has suffered from hunchback for more than 20 years, can only go to the doctor.
After the operation, the child is also 2 cm taller.
However, it is not an easy task to accurately correct the spinal column, which is deeply hidden in the body, by surgery.
"In the past, patients were treated on the operating table after anesthesia. The doctor then incision, hand, X-ray and on-site conditions to estimate the position and depth of the operation. This process is actually not complete. Guaranteed accuracy." Yao Qingqiang, a doctor of orthopedics at the First Hospital of Nanjing, told the Modern Express reporter.
However, after the introduction of 3D printing technology in the hospital in the past two years, this process has been significantly improved. "First of all, the computer built a three-dimensional 3D model with very high precision, reaching a few tenths of a millimeter. Then the machine was used to print the model, and it was more than ten hours before and after." Yao Qingqiang said that after getting this model, the doctor can be before the operation. Simulated surgery, where to nail, and a few nails, all at a glance, when the formal surgery, it will not be lost.
Through this 3D modeling method, the hospital performed an early simulated operation on Xu Hui's spine and scored 12 steel nails. After the operation, Xu Hui's scoliosis was not only improved, but also improved by 2 cm.
Hospital prepares to open digital orthopedic clinic
Some citizens said that the current "components" of 3D printing are mainly concentrated on in vitro simulated surgery. Can they be directly placed in the body to replace damaged human bones?
Yao Qingqiang introduced that the current "in vitro culture of bones" has been carried out to the animal experiment stage. The stem cells were taken out from the rabbits, placed on a 3D-printed scaffold, cultured in vitro for 4 weeks, and then inoculated subcutaneously into nude mice to finally grow the desired cartilage tissue. "This technology may be used in the future to complete the repair of tissue defects in the human body."
At present, the First Hospital of Nanjing is preparing for the digital orthopedic clinic. Patients can use the image map to provide the corresponding data of the bones. The hospital can print out the bone model first, consider how to operate in advance, and reduce the patient's early hospitalization. time.
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