Path of Medicine With a System

The allograft implanted with anti-rejection genes, to put it simply, is to induce the pigskin with activity by implanting various factors to make it look like human skin genes, and then plant it on the human body so that they can be compatible with human skin. The perfect combination of the human body.

To put it simply, Professor Li Housen and his team have been working hard for almost ten years. When they came back from the United States, they started research. In terms of surgery, he did not perform as well as his fellow Korean-American brothers. However, his forte lies in research. I finally got some clues, but it turned out that it couldn't be promoted clinically. Really, Lao Li's heart was broken.

"Small curettes, syringes."

At the beginning of the facial restoration, Zhang Fan gently scraped the slightly pale skin along the texture with a curette, and the mucous membrane and fat transplantation had to be carried out first.

The scald is too abominable, it is not like a knife and an axe, it goes straight, but a very complicated compound injury.

After removing the scalded tissue, the wounded area is covered with many pits of different sizes, just like the ground bombed by shells on the battlefield, such is the case on the face of the wounded.

"Open the mouth." Lu Shuyan opened the patient's mouth with the opener without any confusion. Zhang Fan has a syringe in his left hand and a scalpel in his right. While rinsing, use a scalpel to start selecting materials along the mouth.

The wounded's face was severely damaged. Fortunately, his eyes and nose were preserved, but his lips were directly scalded like rotten plastic shrunk together.

If this place is not repaired, it will only shrink more and more in the future. Because the perioral muscle texture is a circle of ring-shaped muscles, in fact, it is a bit rough, and the structure of this place is similar to that of the anus. Just one more rosy lip.

Do your best if you want to do it, this is Zhang Fan's belief. The mucous membranes in the oral cavity are selected to create a new rosy lips.

This mucous membrane must be provided by the body itself, and there are very few places to collect materials. Only the oral cavity and vagina (a) can supply limited mucous membranes. Therefore, for male patients, it can only be successful once, otherwise there will be no place to collect materials.

"Hemostatic cotton." Zhang Fan used a scalpel to cut off a rectangular piece of mucous membrane with vascular pedicles on the cheek. "Needle holder, absorbable thread." Suture mouth.

"Baoyin, put the mucous membrane into the curved plate and pour in the physiological fluid." Zhang Fan explained.

"it is good."

After the mucosa is placed, the fat follows. The best place for fat grafting is the fat in the abdomen. The fat in other places is too dense and prone to liquefaction and necrosis. It is too simple to take fat, just open the skin, cut it with a scalpel, and suture it directly after cutting.

Repair first, in fact, it is simply to dig the east wall to make up for the west wall. Lu Shuyan's hands are almost green, the girl can't see fat now, especially this kind of belly fat that is very fat.

After preparing the materials, Zhang Fan began to repair the crater-like face. First, he filled it with fat. Fat grafting is very strange. The fat taken from the abdomen is put into other places and will be absorbed.

And the absorption is very strong, as if being eaten by the body, it can almost reach 30% of the filling volume, so when filling, you can’t fill in as much fat as you want. It must be adjusted to prevent future absorption. No adjustment is made. Wait for transplantation After the little pigskin, there is a collapse. The bigger the pit, the more severe the collapse.

Professor Li Housen and Professor Yan Dehua watched Zhang Fan perform the operation in an orderly manner, and their hearts were slightly relaxed.

Although the two did not speak, they glanced at each other. The meaning is clear: "Judging from the current method, it is not a stick!"

Fat transplantation has a liquefaction process. The larger the fat area, the more serious the liquefaction, because the larger the area, the more damaged fat cells, so it is best to extract fat beads under a microscope. The size of this thing is 4-6mm. The earliest use of this is the Korean beauty industry.

Fill the hole with fat one by one, the face that was originally torn by the blood from Zhang Fan's scraping seemed to be stuck with the cream of a birthday cake, piece by piece. They are exactly the same, all white and raised.

It's really like a person with blood on his face, and then he is pasted with pieces of birthday cake.

After filling, start to cover the allogeneic skin. It's time to show off the technology, especially Professor Li Housen, who almost held his breath.

In the large conference room outside the operating room, a group of big names in the transplant field in Northwest China whispered in low voices. The leaders who had been watching left after watching it for a while. It was too boring to understand! Only these experts are left.

"Old Chen, yes, your undergraduates in Lanzhou are so awesome. They have only graduated for a few years, and they are so proficient."

"Nonsense, what do you think?"

"Shameless thing, it seems to be your student." The other party can't chat, the professor who spoke was a little angry, full of slander.

In fact, his tone is a bit contemptuous of Lanshi, after all, he is closer to the south.

"It's okay, just look at the next step. Any doctor in our department can do this step." A director of the Army Hospital said to the Air Force doctor beside him.

"Ok!"

The pink and tender pigskin, presumably pre-confinement pigskin, has been soaked in various potions and is a little swollen, curled together like fruit skin that has been soaked in water.

"Alice pliers, four. Director, come and help me pull it apart, Lu Shuyan, come and stretch it slowly, don't use too much force." The piglet with vascular pedicles is too thin, and said with too much force It may be broken.

When stretching the pigskin, Professor Li Housen's heart almost jumped out of his throat. If you can't do this step well, you don't have to expect anything, and you won't do it later.

The strength of the three people is equal, "Come, slowly down, come, slow, don't rush, come to the left, come, let go." Zhang Fan is also nervous, the assistant in the system can do whatever you say, but Not in reality.

"Fix the ophthalmic forceps, fast." The position is very good, completely covering the wounded's face. At this time, look down from the shadowless lamp. Just like a faceless person, the eyes, nose and lips are all covered.

Fixed, Zhang Fan's movements became faster and faster. After the piglet's skin is separated from the physiological fluid, if it cannot be quickly connected to the circulatory system, this thing will be necrotic.

To start the operation under the microscope, first establish the channel. Allogeneic transplantation cannot damage the inner layer of human blood vessels, because various signaling factors will be exposed after injury, and once the human body is exposed, it will become a battlefield.

Under the microscope, the hemostat and the hemostat are facing each other, pinching the blood vessel of the human body and pulling off the outer mold of the blood vessel. The blood vessels of the human body can be roughly divided into three layers. The inner layer is a thin film that houses a large number of factors, the middle layer is the muscle layer, and the outer layer.

The inner layer is the most sensitive, the middle layer is the dullest, and the outer layer becomes sensitive again. The inner layer cannot be destroyed. Once it is destroyed, it can release various factors and call in various soldiers. The outer layer can be destroyed, and the outer layer of the interface can be pulled off. .

Then the blood vessel head without skin is stuffed into the blood vessel of the piglet, and the muscle layer of the human blood vessel is attached to the inner layer of the blood vessel of the piglet. The muscle layer does not matter, as long as there are clothes to wear.

Then comes the suture, which is difficult. At this time, the suture must penetrate the blood vessels of the piglet and pass through the blood vessel and muscle layer of the human body, but cannot pass through the inner layer. It is really a dojo in the snail shell, and there are not hundreds of them. Thousands of times of tempering, when there is no muscle memory, who would dare? who can? .

Sew one by one, move forward a little bit. Zhang Fan breathed slowly, and the countless times of exercise in the system had already given him the feeling of breaking through blood vessels. here.

Not to mention that the doctors who performed the surgery did not dare to vent their anger, even Professor Li Housen and Professor Yan Dehua who were watching by the side of the operation did not dare.

Although they couldn't see the specific operation, but seeing Zhang Fan's super steady hands, Professor Li Housen's face flushed, and he kept shouting in his heart: "That's it, that's it."

"It's too stable!" The experts in the conference room looked more poisonous than each other, and they could see it when they started to stitch.

"Yeah, it's too stable, but I don't know how long it will last. The time required for this operation is not one or two hours. Hey~!"

At this time, the blood vessels are like two intersecting rubber tubes, one inside the other, the front side is sutured first, and then turned over 180 degrees to suture the other side.

Zhang Fan mentioned the adventitia of the blood vessel. On a blood vessel with a diameter of no more than 1 mm, if the fracture is calculated according to this clock face, it should be sutured at 12 o'clock, and then at the opposite 6 o'clock.

Sew the third stitch at 2 o'clock, the fourth stitch at 4 o'clock, turn over, the fifth stitch at 8 o'clock, and the last stitch at 10 o'clock. Each suture has to pass through the blood vessel twice, which is really difficult, just like smoking in a gas station, it may explode in one breath.

Dou Da sweats every time he sews. To control the force, to control the continuous output force, the left and right hands have to cooperate quite skillfully. It is really difficult for something as crisp as the inner membrane of a raw egg. Once he sews, Zhang Fan has to stop and wipe off his sweat to let his muscles recover a bit.

"Glucose!" Zhang Fan felt a little dizzy. After more than three hours, the skin on his face reached his chin. After greedily taking a sip of the high concentration of glucose, continue.

Small blood vessels, small nerves, and microscopic lymphatic vessels are more difficult to deal with and more complicated than the other. If the blood vessels are not stitched, the skin will not live, and if the nerves are not stitched for a long time, the skin will shrink, and the lymph nodes will be endlessly swollen in the later stage.

What else can I do, liver. Everyone inside and outside the operating room was all in fear. The more hopeful, the more worried. The better Zhang Fan performed, the more worried everyone became.

Repair and rebuild the eye sockets, follow the texture to fit the nasal cavity, and repair the lips, step by step. Gradually, the originally bloody face became acceptable.

"Open the hemostat!" In an instant, the blood entered the skin of the allograft through the repaired channel, and the pale pigskin turned bloody.

"How's it going?" Professor Li Housen asked in a low voice with a dry throat, his clenched heart felt so uncomfortable.

"It should be possible." Zhang Fan looked at his masterpiece and said slowly, although he will not see a bright smile or any rich expressions in the future. However, he can walk in the sunshine and face the world happily.

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