3D printer: Three-dimensional bone effect is coming out?

Recently, the reporter saw a printer that can print the effect of three-dimensional bones at the Joint Research Center of Southwest Hospital, Third Military Medical University. The printer can three-dimensionally print out all the bones inside the human body according to the ratio of 1: 1. According to Dr. Wang Fuyou, Department of Joint Surgery, Southwest Hospital, the skeletal printer is called 3D printing rapid prototyping machine, and it first appeared in Canada in 2007.

"Bone printers use layered processing and superimposed forming, that is, by adding materials layer by layer to generate three-dimensional solids. Simply put, the principle of bone printers is the inverse process of tomography, which scans the missing bones into countless superpositions. The film is then printed piece by piece with a 3D printer, and these self-adhesive materials are superimposed together to form a three-dimensional object. The layering process is very similar to traditional inkjet printing, and the name comes from it. "

3D printer: Three-dimensional bone effect is coming out?

"In addition to teaching, it is possible to 'print' solid organs, and it will be used in actual operations in hospitals in the future." Wang Fuyou said that doctors can use printed "human organs" to explain the surgical plan to patients, and they can also be used between doctors. This discussion of the treatment process, after all, very few patients can understand the CT data and film.

"Last month, when a patient was suffering from meniscus necrosis and needed joint replacement surgery, the hospital used this method to make a 1: 1 model for him to communicate with the patient about the surgical plan." Wang Fuyou said that the bone printer "used The raw materials are all imported special biological material powders and binders, and even the cost of printing a simple joint in this way does not exceed 1,000 yuan.

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