Remember the Zodiac? Uncle Jackie touched a mouse with his gloves and finished scanning his data. Then through computer modeling, a replica is completed in minutes.
If in 2012, the 3D printed episode has quite a sci-fi component for reality, it is no longer a new thing. Simple 3D printing has long been a toy for kids.
At the industrial level, 3D printing has a wider range of applications, and cars, warships and even houses can be printed. Another example is the one we introduced last time, using 3D to print meat products.
As the industry that can closely follow the cutting-edge technology, medical care will naturally not let go of this vent. Today, the medical industry has initially formed a full range of 3D products and applications ranging from medical devices to organs to surgery.
So what is the status quo of its application, and what problems still need to be resolved?
Is it so hot, 3D printing can do it?
If you want to ask what is the most widely used 3D printing in the medical industry, then it is natural to count limbs and organs.
On the human body, the most replaceable nature is the limbs, teeth, and the like. The main functions of these parts help people's actions and lives, and their functions are single, so the structure is relatively simple. Moreover, the incompleteness of the limbs theoretically hardly has a significant impact on human life. Therefore, prosthetic limbs and dentures are common, and once 3D printing technology appears, it is naturally applied to this field.
Currently in life, 3D printing prosthetic technology is very mature and has been widely used. A girl in England has a 3D palm, a migrant worker has a skull, and even the Australian company CSIRO can tailor a titanium sternum and ribs to create a 3D chest.
A recent study also showed us the possibility of combining AI and 3D printing. A team of researchers at the University of California at Berkeley and the Shuliwell Dental Laboratory built a universal confrontation network (GAN) that automatically generates new crown designs. It predicts the shape of the new crown based on a scan of missing teeth. First, the side of the mandible missing tooth is scanned to produce a 2D image. Next, the opposite side of the jaws are also scanned. GAN understands the distance between the missing teeth and fills the gap in 3D with a new crown design.
It can be expected that with the accuracy of GAN modeling, future 3D printing will be more in line with human physiological characteristics and functional orientation. For example, the problem of receiving the cavity can be better solved, so that the installation of the prosthesis is more comfortable.
If the printing of limbs, teeth, etc. is easy, then the 3D printing organ may be hard. And related research is also being carried out in an orderly manner.
The difficulty of 3D printing organs is due to the large number of blood vessels inside them, and the organization of each organ is also different. For example, the brain is mainly composed of a large number of nerve tissues. There are still major technical difficulties in achieving printing and cultivating of nerve tissues.
But the good news is that 3D liver has been printed and survived. Organovo, a US biotechnology company, used cell 3D printing technology to print the cell tissue needed by the liver in a cell culture chamber. After being cultured in a vessel, it can be grown into a normal shaped liver and transplanted to the human body. However, the cells of this liver lose their activity and become dead cells after being printed.
In addition to the liver, organs such as the kidneys and pancreas are also being studied. Researchers generally believe that it takes at least 10 years to achieve truly functional and portable 3D printed organs. For the development of human organ transplantation, 10 years is not long, but not too short. Once this technology becomes a reality, the changes it brings will be revolutionary: people who need surgery will not have to die desperately because they can't wait for living organs, and organs will become commodities that can be mass-produced. It will have a positive impact on solving the shortage of living organs, prolonging the life of human beings, and even creating a new industrial chain of organ supply.
 Injection Device
Syringes can also call Disposable Medical Supplies, Disposable Syringe With Needle and Plastic Needle Tube such as some scientific instruments in chromatography to inject through the rubber septum. Injecting gas into a blood vessel will cause an air embolism. The way to remove air from the syringe to avoid embolism is to turn the syringe upside down, tap it lightly, and squeeze out a little bit of fluid before injecting into the bloodstream.
In some cases where accuracy is not the primary concern of germs, such as quantitative chemical analysis, glass syringes are still used due to the small error of the glass syringe and the smooth movement of the push rod.
You can also inject some of the juices into meat with a syringe to improve taste and texture while cooking, or into pastries when baking. Syringes can also fill ink cartridges with ink.
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