Military Technology

Seeing such an intrusive scene, everyone could not help but frown slightly and feel chills on their backs. Lin Wei and Zhou Xi even hugged their arms and felt a hint of coolness.

Qin Ziheng smiled when he saw this and said: "The human tissues you see are actually related works printed by us through a biological 3D printer.

Of course, due to technical reasons, many of the printouts are actually failures. "

Speaking of this, Qin Ziheng walked to a transparent glass container, pointed to a complete liver inside and introduced to everyone: "For example, this liver is actually an artificial liver tissue printed by us using a biological 3D printer. Although its printed form is complete, it lacks activity and therefore cannot be transplanted, so we made it into a specimen and displayed it here."

Isn't this good? Why did it fail? When Zhou Xi heard this, he looked at the very complete liver tissue in the container and couldn't help asking.

Qin Ziheng smiled and said: "The principle of our bio-3D printing technology is to use human tissue cells to arrange and combine to form a complete tissue and organ.

In fact, all the organs and tissues of our human body are composed like this.

However, our rapid printing may bring about a series of problems, such as the relationship between printed cells and tissues, the activity of the cells themselves, and the function of the organ and tissue itself, which is healthy and able to function.

As for this liver, because the printing time was too long, the first printed tissue cells died in a small scale, so it was not yet ready for transplantation. It was originally going to be destroyed, but your scientific researchers felt that the liver was not suitable for transplantation. The inner shape was printed quite perfectly, so I suggested making the model. "

After hearing Qi Xingyan's introduction, everyone nodded in agreement. Indeed, biological 3D printing of organs and tissues is unimaginable in the future. As Qin Ziheng said, it is composed of cells, and the technical difficulty is definitely not as complicated as I said.

In addition to the enlargement of the printing size, the printing speed of your new generation biological cell printing nozzle is seven to ten times that of the subsequent generation of products. This does not mean that its printing speed is seven to ten times that of the next generation of products. times.

Zhang Jun, as for Zhang Jun, nodded slightly before listening to Qin Ziheng's introduction, and then walked to the outside of a cylindrical glass container, and what was displayed outside was not a heart.

And now, your new generation of biological 3D printers are printing relatively small lungs, livers, large intestines, as well as some small muscles, bones, etc.

Because the orbital coordinate stroke is shorter, each printing nozzle is only responsible for printing one area. It needs to move back a small amount, so the printing speed is faster. "Like your generation of bio-3D printers, it cannot support at least eight nozzles for simultaneous printing, which also means that its speed will be eight times or even lower than that of traditional single-nozzle bio-3D printers.

"Is that one printed too?"

Compared with the later generation of biological 3D printers, it has not suffered a very small technological setback. Zhang Jun nodded, then turned to Qin Ziheng and said, "Let's go, I'll wait for you to visit their laboratory."

And if you want to exit that laboratory, you also need to wear relevant lab coats and go through a cleaning and disinfection channel before you can exit.

"Yes, those bulging blood vessels represent your tubular arterial tissue." Having said that, Qin Ziheng said to Zhang Jun: "You are worried that you have not accumulated a lot of experience in blood vessel printing. The printed blood vessel tissue Regardless of whether the activity or function is very bad, there is no need to worry.”

"The bulge on the surface is not the coronary artery tissue," Zhang Jun said, looking at the heart.

Walking out of the laboratory, everyone looked at him with curiosity.

If so, that laboratory would have aroused such little interest from the country, and they would try their best to obtain relevant technologies. It will also make the security level outside so tolerant, which can illustrate the advanced nature and importance of those technologies.

Moreover, in order to adapt to the needs of printing some small-sized organs and tissues, your new generation of biological 3D printers cannot increase the number of printing nozzles according to the printing task requirements, thus further shortening the entire printing time.

First of all, the size and volume of organs and tissues that are not printed are relatively large. Therefore, only some large-sized organs and tissues can be printed. Small organs and tissues cannot be printed, or they need to be divided into several parts and printed separately, and then sewn together.

That also means that its printing time is shorter, and the printed organs and tissues are fresher and less active. In addition, we cannot increase the waiting time for patients, and we cannot slow down printing services for some critically ill patients. Instead, we must wait.

Half of the heart was broken, and the other half was cut open, exposing the outer ventricles and new chambers without valves. The entire shape, structure, and organization are exactly the same as a real heart. Those who knew it thought it was a real heart removed from a corpse.

Facing the curious crowd, Qin Ziheng smiled and introduced: "That place is not your Bio-3D Printing Technology Laboratory No. 1, and that side of the glass is not your latest generation of Bio-3D Printer.

Hearing Zhang Jun's words, Qin Ziheng nodded slightly and said: "Yes, that is also your heart tissue printed by you. Like the liver tissue, it is also the victory of the experiment. Its overall function is , so it was made into an exhibit and placed outside.”

The two parts are blocked by a full-body glass, so people cannot see the outside through the glass. If you want to retreat, you must go through another cleaning and disinfection channel.

"Bad." Qin Ziheng nodded and started leading the way. Then everyone came to a very ordinary laboratory. The laboratory was divided into two parts. One part was relatively dark, with various small screens. There was a strong blue light scattered outside, and there was no smoke flowing.

After changing into special protective clothing and wearing masks, Wu Hao and we finally retreated into the laboratory. Remember the website address of this website, www. Biquxu． Com for easy reading next time, or enter " " in Baidu to enter this site